CN108463777A - Fixing device and image forming apparatus including the fixing device - Google Patents
Fixing device and image forming apparatus including the fixing device Download PDFInfo
- Publication number
- CN108463777A CN108463777A CN201680076405.0A CN201680076405A CN108463777A CN 108463777 A CN108463777 A CN 108463777A CN 201680076405 A CN201680076405 A CN 201680076405A CN 108463777 A CN108463777 A CN 108463777A
- Authority
- CN
- China
- Prior art keywords
- fixing belt
- fixing
- fixing device
- lubricant
- protrusion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G03G15/1605—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using at least one intermediate support
- G03G15/1615—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer using at least one intermediate support relating to the driving mechanism for the intermediate support, e.g. gears, couplings, belt tensioning
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2053—Structural details of heat elements, e.g. structure of roller or belt, eddy current, induction heating
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
- G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2064—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat combined with pressure
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/20—Details of the fixing device or porcess
- G03G2215/2003—Structural features of the fixing device
- G03G2215/2016—Heating belt
- G03G2215/2035—Heating belt the fixing nip having a stationary belt support member opposing a pressure member
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
Abstract
A kind of increased fixing device of torque for preventing when fixing belt starts to be driven is provided.Fixing device may include：Fixing belt can rotate；Pressure roll is configured to contact with pressure the peripheral surface of the fixing belt and forms fixing coining portion between the pressure roll and the fixing belt.Contact member is located at the inside of the fixing belt and includes the contact site for the inner peripheral surface for contacting the fixing belt.The contact site includes surface in face of the pressure roll with plate shape and from the surface towards the pressure roll multiple protrusions outstanding.
Description
Technical field
This disclosure relates to fixing device and include the image forming apparatus of the fixing device.
Background technology
In image forming apparatus, the recording medium supplied from feed unit is fed into transfer unit, and is formed in and turns
Toner image in impression member is transferred secondarily to recording medium.After toner image is transferred to recording medium, if
It sets toner melting on the recording medium and is fixed unit (for example, fixing device) fixing.Fixing has toner thereon
Recording medium is discharged from the deliverying unit positioned at downstream.
Traditional fixing device (e.g., including the fixing device in the image forming apparatus of patent document 1) pass through band
Method for stamping forms and includes annular fixing belt and resilient roller (such as the pressure as a pair of of the component for being used to form coining portion
Roller).Fixing device may include the fixing member being arranged on the inner peripheral surface of fixing belt, and the load of resilient roller can be applied to and determine
Shadow component.
【Patent document 1】
Japanese Patent Laid-Open 2001-42670 bulletins
However, according to traditional technology disclosed in Patent Document 1, when not using fixing device for a long time or stopping making
When reusing fixing device with the predetermined amount of time after fixing device, since fixing belt and fixing member connect closely to each other
It touches, it is thus possible to will increase the torque for needing to drive fixing belt.
The disclosure
Technical problem
Fixing device (such as using the fixing device with method for stamping) is provided and the image formation including fixing device is set
Standby, which can prevent the required torque of driving fixing belt from increasing.
Solve the technical solution of technical problem
According to the one side of the disclosure, a kind of fixing device includes：Fixing belt can rotate；Pressure roll is configured to press
Power contacts the peripheral surface of the fixing belt and forms fixing coining portion between the pressure roll and the fixing belt；And contact
Component, positioned at the inside of the fixing belt and include the inner peripheral surface for contacting the fixing belt contact site, wherein the contact site
Include reference plane in face of the pressure roll with plate shape and outstanding multiple from the reference plane towards the pressure roll
Protrusion.
The multiple protrusion can be formed：First row includes arranging and being spaced in the width direction of the fixing belt
The multiple protrusions opened；And second row, it moves in the fixing belt with the first row and is spaced apart on moving direction along which,
Include the multiple protrusions arranged and be separated from each other in the width direction of the fixing belt, the first row and the second row
Multiple protrusions be on the moving direction of the fixing belt and be alternately arranged in the fixing coining portion.
The length in the width direction of the fixing belt of each protrusion in the multiple protrusion can be equal to or more than
The distance in the width direction of the fixing belt between adjacent protrusions in the multiple protrusion.
The length in the width direction of the fixing belt of each protrusion in the multiple protrusion can be equal to or more than
0.55mm, the pitch in the width direction of the fixing belt between adjacent protrusions in the multiple protrusion can be equal to or greatly
In 1.1mm.
The fixing device may also include the lubricant being distributed between the reference plane and the multiple protrusion.
The multiple protrusion can have the belt shape extended in the width direction of the fixing belt.
Each protrusion in the multiple protrusion can have the width direction relative to the fixing belt to incline at predetermined angular
Oblique part.
The contact site may include multiple lubricant supporting projections, for making lubricant in the reference plane and the fixing
It is distributed between the inner peripheral surface of band, wherein the multiple lubricant supporting projections move mobile side along which in the fixing belt
It upwardly extends and on two ends being disposed in the width direction of the fixing belt.
The multiple lubricant supporting projections can be disposed in the image for the recording medium for being formed with electronics toner image
The outside in the width direction of the fixing belt of forming region and the inside for being disposed in the fixing coining portion.
The contact site may include the superficial layer of base portion and stacking on the base portion, at least part packet of the base portion
Containing at least one of aluminium, stainless steel, liquid crystal polymer (LCP) and polyphenylene sulfide (PPS), and at least the one of the superficial layer
Part includes at least one of polytetrafluoroethylene (PTFE) (PTFE), perfluoro alkoxy (PFA) fluorine synthetic resin and its modifier.
The contact site may include that the base portion with plate shape, the base portion may include aluminium and have to be equal to or more than
0.2mm and the thickness for being equal to or less than 0.5mm.
The contact site may include that the base portion with plate shape, the base portion may include stainless steel and have to be equal to or more than
0.1mm and the thickness for being equal to or less than 0.3mm.
The fixing device may also include：Lubricant supply department is located at the inlet in the fixing coining portion, the fixing
Band is directed through the lubricant supply department, and the lubricant supply department is configured to lubricant being supplied to the contact
Portion；And film thickness adjustment portion, it is located at the exit in the fixing coining portion, the fixing belt is discharged through the film thickness
Adjustment portion, and the film thickness adjustment portion limits institute by contacting the inner peripheral surface of the fixing belt when the fixing belt rotates
The shape of fixing belt is stated, and adjusts the film thickness of the lubricant by being attached to the inner peripheral surface of the fixing belt.
The film thickness adjustment portion may include the adjustment portion extended in the diametric(al) of the fixing belt, wherein described
Adjustment portion projects outwardly beyond coining face, the periphery of the pressure roll and the fixing belt in the diametric(al) of the fixing belt
Face is in contact with each other on the coining face.
The fixing device may also include the recording medium separation for being configured to make to be attached to the peripheral surface of the fixing belt
Separating member, wherein the fixing belt be located at the fixing coining portion the fixing belt be discharged by exit,
The multiple protrusion is between the contact member and the separating member.
The film thickness adjustment portion may include that the guide surface for contacting the inner peripheral surface of the fixing belt, the guide surface can be in institutes
The week for stating fixing belt upwardly extends.
The film thickness adjustment portion may include：Edge part, on the end of the guide surface and scrape be attached to it is described
The lubricant of the inner peripheral surface of fixing belt；And lubricant receiving part, between the contact member and the edge part and connect
Receive the lubricant scraped by the edge part.
The edge part may include tangent line the inclining at predetermined angle incline relative to the inner peripheral surface for contacting the fixing belt
Inclined-plane.
The fixing device may also include the recording medium separation for being configured to make to be attached to the peripheral surface of the fixing belt
Separating member, wherein the separating member be located at the fixing coining portion the fixing belt be discharged by outlet
Place, the edge is between the contact member and the separating member.
Brief Description Of Drawings
Embodiment is described below according in conjunction with attached drawing, these and or other aspects of the disclosure will be apparent and
It is easier to understand, in the accompanying drawings：
Fig. 1 is the diagram of the image forming apparatus according to the embodiment including fixing device；
Fig. 2 is the sectional view of fixing device of the use according to the embodiment with method for stamping；
Fig. 3 is the amplification sectional view in fixing coining portion according to the embodiment；
Fig. 4 is the enlarged perspective of the contact site of contact member according to the embodiment；
Fig. 5 A to Fig. 5 C are the amplification views of the protrusion of contact site according to the embodiment；
Fig. 6 is the enlarged perspective of the contact site of contact member according to the embodiment；
Fig. 7 A to Fig. 7 C are the amplification views of the protrusion of contact site according to the embodiment；
Fig. 8 is to show the curve graph according to the embodiment for starting the torque that the when of being driven generates in fixing belt；
Fig. 9 is the sectional view of fixing device according to the embodiment；
Figure 10 is the amplification sectional view of film thickness adjustment portion according to the embodiment；
Figure 11 is the sectional view of fixing device according to the embodiment；And
Figure 12 is the amplification sectional view of the edge part of film thickness adjustment means according to the embodiment.
Preferred embodiment of the present invention
Embodiment is reference will now be made in detail to now, the example of embodiment is shown in the accompanying drawings.In the accompanying drawings, identical element or portion
It point is indicated by the same numbers, and repeated explanation to it will not provided.
Image forming apparatus 1 according to the embodiment can form cromogram by using magenta, yellow, cyan and black
Picture.As shown in fig. 1, image forming apparatus 1 according to the embodiment may include：Recording medium feed unit 10, supply record are situated between
Matter P；Developing apparatus 20, developing electrostatic latent image；Toner image is secondarily transferred to recording medium P by transfer unit 30；Photosensitive drums
40, as the electrostatic latent image bearing carrier with the circumferential surface for being formed with image thereon；And fixing device 50, by toner figure
As being fixed to recording medium P.
The receivable final entry thereon of recording medium feed unit 10 has the recording medium P of image and can be by recording medium P
It is supplied to feed path R1.In this case, multiple recording medium P can be stacked and be stored in box K.Recording medium supplies
Recording medium P can be supplied to when the toner image for being transferred to recording medium reaches secondary transfer printing region R2 to unit 10
Secondary transfer printing region R2.
It can be according to four developing apparatus 20 of color placement.Each of developing apparatus 20 may include compressing toner photosensitive
The developer roll 21 of drum 40.Developing apparatus 20 fully charge to toner by mixed with carrier granular by making toner and against
Developer roll 21 presses the developer generated due to the mixture of toner and carrier granular.Then, when developer is due to development
The rotation of roller 21 and when being transferred in face of the region of photosensitive drums 40, the toner for the developer that developed roller 21 presses is moved to
The electrostatic latent image on the circumferential surface of photosensitive drums 40 is formed in developing electrostatic latent image.
In order to which the toner image formed by developing apparatus 20 is secondarily transferred to recording medium P, transfer unit 30 can
It is fed into secondary transfer printing region R2.Transfer unit 30 may include：Transfer belt 31；Rotating roller 31a, 31b, 31c and 31d make to turn
Band 31 is printed to rotate；First transfer roll 32, allows transfer belt 31 to be maintained between first transfer roll 32 and photosensitive drums 40；And two
Secondary transfer roll 33 allows transfer belt 31 to be maintained between secondary transfer roller 33 and rotating roller 31d.
Transfer belt 31 is the endless belt by rotating roller 31a, 31b, 31c and 31d rotation.First transfer roll 32 can be set
For pressure is applied to photosensitive drums 40 from the inner circumferential of transfer belt 31.Secondary transfer roller 33 can be arranged to pressure from transfer belt 31
Periphery be applied to rotating roller 31d.
Photosensitive drums 40 are the electrostatic latent image bearing carrier with the circumferential surface for being formed with image thereon.According to the embodiment
It is used to form in the image forming apparatus of coloured image, four photosensitive drums corresponding with such as magenta, yellow, cyan and black
40 can be disposed on the direction (being referred to as moving direction) of the movement of transfer belt 21.Such as 1 as shown in the figure, developing apparatus 20, charging
Roller 41, exposing unit 42 and cleaning unit 43 can be arranged around each photosensitive drums 40.
Charging roller 41 can uniformly charge to the surface of photosensitive drums 40 by using predetermined potential.Exposing unit 42
It can make the surface exposure for being electrically charged the charging of roller 41 of photosensitive drums 40, and in this case, the surface of photosensitive drums 40 can be exposed
Using with will be formed in it is corresponding as the image on the paper of recording medium P.Therefore, photosensitive drums 40 by exposing unit 42 by
The potential on a part of surface of exposure can be changed, therefore can form electrostatic latent image.Four developing apparatus 20 can be from being arranged to
Toner tank 22 corresponding with four developing apparatus 20 receives toner, can be by using the toner supplied from toner tank 22
And make the latent electrostatic image developing being formed in photosensitive drums 40, and toner image can be generated.Such as magenta, yellow, cyan and
Black toner can be filled in respectively in four toner tanks 22.Cleaning unit 43 can be in the toning on being formed in photosensitive drums 40
Agent image recycles the toner stayed in each photosensitive drums 40 after being transferred to transfer belt 31 for the first time.
Fixing device 50 can make the toner image attachment for being secondarily transferred to recording medium P from transfer belt 31 and be fixed to
On recording medium P.Fixing device 50 according to the embodiment can for example including：Fixing belt 51, heating recording medium P；And pressure
Roller (for example, resilient roller) 52, pressure is applied to fixing belt 51.Fixing belt 51 and pressure roll 52 may be formed to have cylinder
Shape.Fixing coining portion 53 as contact site may be formed between fixing belt 51 and pressure roll 52, as recording medium P is along supply
By fixing coining portion 53, toner image is fusible and is fixed on recording medium P in direction.
In addition, image forming apparatus 1 according to the embodiment may also include distributing roller 71 and 72, distributing roller 71 and 72 will pass through
Fixing device 50 and the outside that toner image is discharged to image forming apparatus 1 to recording medium P thereon.
The operation of image forming apparatus 1 will be described this moment.When the picture signal of image to be recorded is input into figure
When as forming equipment 1, the controller of image forming apparatus 1 can be incited somebody to action according to the picture signal received by using charging roller 41
Photosensitive drums 40 are uniformly charged to predetermined potential.
Next, the surface of radiating laser beams to photosensitive drums 40 can be dived to form electrostatic by using exposing unit 42
Picture.
Toner image can be formed in 20 developing electrostatic latent image of developing apparatus.When photosensitive drums 40 and transfer belt 31 face each other
Clock synchronization, toner image are transferred to transfer belt 31 for the first time from photosensitive drums 40.The toner figure being formed in four photosensitive drums 40
As can be sequentially stacked in transfer belt 31 to form the toner image of a stacking.
Next, stack toner image can be fed into rotating roller 31d and secondary transfer roller 33 it is facing with each other two
Secondary transfer area R2, and the note being supplied to from recording medium feed unit 10 can be transferred secondarily in the R2 of secondary transfer printing region
Recording medium P.
The toner image of stacking, which is transferred secondarily to recording medium P thereon, can be supplied to fixing device 50.Remembering
When recording medium P passes through between fixing belt 51 and pressure roll 52, stacking can be made by heat and pressure are applied to recording medium P
Toner image melts and will be in the toner image of stacking to recording medium P.
Next, recording medium P can be discharged to the outside of image forming apparatus 1 by distributing roller 71 and 72.
Fixing device 50 will be more fully described with reference to Fig. 2 this moment.
As shown in Figure 2, fixing device 50 may include fixing belt 51, pressure roll 52, contact member (for example, fixing member)
54 and heat source (for example, heater) 55.In addition, fixing device 50 may include separating member 56, it is fixed that separating member 56 makes to be attached to
The recording medium P of the peripheral surface 51a of shadow bands 51 is detached with fixing belt 51.Separating member 56 may be disposed at the confession of recording medium P
To on the R3 of direction, and the outlet in fixing coining portion 53 is may be disposed at, by being fixed the outlet in coining portion 53, fixing belt 51 is arranged
Go out.
As shown in Figures 2 and 3, fixing coining portion 53 be recording medium P be maintained at fixing belt 51 and pressure roll 52 it
Between part.Fixing coining portion 53 may include the portion of the peripheral surface 52a of the peripheral surface 51a and pressure roll 52 near fixing belt 51
Divide (for example, contact site).In general, the internal pressure in fixing coining portion 53 can be equal to or more than 0.049MPa and be equal to or less than
0.196MPa is (for example, be equal to or more than 0.5kgf/cm2And it is equal to or less than 2.0kgf/cm2).It is fixed the inside pressure in coining portion 53
Power is applied to the pressure for the recording medium P being maintained between fixing belt 51 and pressure roll 52.
Fixing belt 51 can be had the flexible rotating body of cylindrical shape and may include such as metal.It may include in fixing belt
The example of metal in 51 may include stainless steel.In addition, fixing belt 51 may include such as synthetic resin.
Fixing belt 51 may include the multiple materials stacked as shown in Figure 3.Fixing belt 51 may include base portion 57, be stacked on base
Elastic layer 58 in portion 57 and the superficial layer 59 being stacked on elastic layer 58.Base portion 57 may include the metal of such as stainless steel or nickel
Material.In addition, base portion 57 may include synthetic resin, such as polyimides (PI), polyamide-imides (PAI), polyether-ether-ketone
(PEEK) or liquid crystal polymer (LCP).
Elastic layer 58 may include such as rubber.Superficial layer 59 may include fluorine synthetic resin.For example, fluorine synthetic resin can be
Selected among polytetrafluoroethylene (PTFE) (PTFE), perfluoro alkoxy (PFA) fluorine synthetic resin and its modifier (modifier) to
Few one kind.The thickness of base portion 57 for example equal to or more than 20mm and can be equal to or less than 120mm.The thickness of elastic layer 58 can be such as
Equal to or more than 100mm and it is equal to or less than 400mm.The thickness of superficial layer 59 can for example equal to or more than 10mm and be equal to or small
In 50mm.
Pressure roll 52 can be had the elastic rotary body of cylindrical shape and may include that for example rubber is (for example, elastic material
Material).Pressure roll 52 may include：Elastic layer 61, including elastic material；And superficial layer 62, it is formed on elastic layer 61.In addition,
Rotary shaft 60 can be arranged to be inserted into pressure roll 52 and pass through pressure roll 52.
Contact member 54 may be disposed at the inside of fixing belt 51 and can pressure is applied to fixing belt together with pressure roll 52
51.Elastic force can be applied to contact member 54 by using such as spring member (not shown), and contact member 54 can be by
It is pressed towards pressure roll 52 in elastic force.However, embodiment is without being limited thereto, elastic force can be applied to pressure roll 52 and pressure roll
52 can be pressed towards contact member 54.Optionally, pressure roll 52 can be applied in elastic force and pressure roll 52 can be pressed towards contact
While component 54, elastic force can be applied to contact member 54 and contact member 54 can be pressed towards pressure roll 52.
Contact member 54 can extend along the rotation axis of the fixing belt 51 with cylindrical shape, and may include setting fixed
The stationary slide that the structure 63 of the inside of shadow bands 51, the support portion 64 for being fixed to structure 63 and supported portion 64 support
65。
The section of structure 63, support portion 64 and stationary slide 65 intercepted on the direction vertical with its longitudinal direction
Can have for exampleShape.Structure 63 may include a pair upwardly extended in the side vertical with the direction of the supply R3 of recording medium P
The main part 63b of the end of side wall 63a and connection a pair of sidewalls 63a.The main part 63b of structure 63 can have plate shape, main body
The thickness direction of portion 63b can be the rotation center O for connecting fixing belt 5151With the rotation center P of pressure roll 5252Straight line L1
Direction where extending.
Support portion 64 may include a pair of sidewalls 64a upwardly extended in the side vertical with the direction of the supply R3 of recording medium P
And the main part 64b of the end of connection a pair of sidewalls 64a.The main part 64b of support portion 64 can have plate shape, main part
The thickness direction of 64b can be the direction where straight line L1 extends.Support portion 64 may be mounted to that in structure 63 with by structure 63
Support, and overlay structure 63 can be arranged to close to the part of pressure roll 52.For example, the main part 64b of support portion 64 can be covered
The main part 63b of structure 63, a pair of sidewalls 64a of support portion 64 can overlay structure 63 a pair of sidewalls 63a.
Stationary slide 65 may include the offside upwardly extended in the side vertical with the direction of the supply R3 of recording medium P
Main part (for example, contact site) 65b of the end of wall 65a and connection a pair of sidewalls 65a.The main part of stationary slide 65
It can be the direction where straight line L1 extends that 65b, which can have plate shape, the thickness direction of main part 65b,.Stationary slide 65
It may be mounted to that and supported with supported portion 64 on support portion 64, and can be arranged to cover the close pressure roll 52 of support portion 64
Part.The main part 65b of stationary slide 65 can cover the main part 64b of support portion 64, a pair of stationary slide 65
Side wall 65a can cover a pair of sidewalls 64a of support portion 64.
The superficial layer that stationary slide 65 may include base portion and be formed on base portion.The base portion of stationary slide 65 can
Including metal material, such as aluminium or stainless steel.In addition, stationary slide 65 may include the synthetic resin with heat resistance, it is all
Such as LCP or polyphenylene sulfide (PPS).
In addition, fluorine synthetic resin can be applied to the surface of the main part 65b of stationary slide 65.Fluorine synthetic resin can
To be at least one selected among PTFE, PFA fluorine synthetic resin and its modifier.
As shown in Figure 3, the main part 65b for being included in the stationary slide 65 in contact member 54 is contact fixing belt
The contact site of 51 inner peripheral surface 51b.Pressure roll 52 can receive electric power from drive motor (not shown) and can be around predetermined rotary shaft
Line rotates.The peripheral surface 52a of pressure roll 52 may be disposed at fixing coining portion 53 to contact the peripheral surface 51a of fixing belt 51,
Therefore the rotary force of pressure roll 52 can be passed to fixing belt 51, and fixing belt 51 can also be rotated around predetermined rotation axis.
At fixing coining portion 53, fixing belt 51 can receive pressure from pressure roll 52 and can be in contact stationary slide 65
Main part 65b when slide.Fixing belt 51 can be formed at fixing coining portion 53 along the main part 65b of stationary slide 65
Plane is with corresponding with the plate shape of main part 65b.At fixing coining portion 53, the moving direction Y of fixing belt 51 can be situated between with record
The direction of the supply R3 of matter P is identical.The coining face N in fixing coining portion 53 be set in it is virtual between fixing belt 51 and pressure roll 52
Face.
As shown in Fig. 3, Fig. 4 and Fig. 5 A, it can be set from reference plane 66 towards the multiple protrusions 67 outstanding of pressure roll 52
On the main part 65b of stationary slide 65.The reference plane 66 in face of the surface of pressure roll 52 as main part 65b can example
It is such as vertical with straight line L1.Multiple protrusions 67 can in the plan view with such as rectangular shape and can with for example identical size and
Identical shape.
At fixing coining portion 53, each protrusion 67 in the vertical with the moving direction Y of fixing belt 51 of fixing belt 51
Length L on width direction XX67It can be equal to or more than such as 0.55mm.In addition, the section on width direction X between protrusion 67
Such as 1.1mm can be equal to or more than away from (for example, interval).
In addition, multiple protrusions 67 can side by side be arranged on width direction X with aturegularaintervals, with formed multiple rows (for example,
First row X1 and second row X2).In addition, it includes that multiple protrusions 67 of the row of X in the width direction can be in moving direction Y to be arranged to
On arranged with aturegularaintervals.For example, the protrusion 67 of second row X2 can be disposed between multiple protrusions 67 of first row X1
At the corresponding position in space.Therefore, multiple protrusions of first row X1 and multiple protrusions of second row X2 can be in the shiftings of fixing belt 51
It is alternately arranged on dynamic direction Y at fixing coining portion 53.In this case, the length L of each protrusion 67X67It can be more than prominent
Play the distance between 67 D67。
One or more protrusions 67 can be disposed on the moving direction Y of fixing belt 51.For example, when along fixing belt 51
When moving direction Y observes multiple protrusions 67, protrusion 67 can not have any coining ground cloth on the entire width on width direction X
It sets.That is, main part 65b can be in the entire longitudinal direction of the direction of the supply R3 upper edge main parts 65b of recording medium P and fixing belt
51 contacts.Therefore, on the longitudinal direction of stationary slide 65, the Load Balanced of pressure roll 52 can be made, and can prevent fixing from imprinting
The part in portion 53 is not applied to load.
Height H in each of multiple protrusions 6767For example equal to or more than 5mm and 30mm can be equal to or less than.It is multiple prominent
Height H in each of playing 6767On the basis of difference in height between face 66 and the top surface of protrusion 67.
When the stationary slide 65 including multiple protrusions 67 includes metal material, multiple protrusions 67 can be by using example
Such as press process, etching or laser engraving are formed.In addition, when the stationary slide 65 for including multiple protrusions 67 includes closing
When at resin material, multiple protrusions 67 can be formed by using such as injection moulding, etching or laser engraving.Protrusion 67 can lead to
It crosses on the surface of contact site using chemicals, execute and etch and execute corrugation and the surface of erosion material is formed.In addition,
Multiple protrusions 67 can be by executing etching to be formed with geometry on the surface of contact site.
In addition, when multiple protrusions 67 when being formed, can be used by using laser engraving and emit laser in a plurality of directions
The laser engraving machine of beam.Therefore, multiple protrusions 67 with complex shape can be formed.
In addition, when the base portion of stationary slide 65 include aluminium sheet material and base portion thickness for example equal to or more than
0.2mm and equal to or less than 0.5mm when, the rebound that may occur when executing press process can be prevented.It therefore, can be more accurately
Form multiple protrusions 67.
In addition, when the thickness that the base portion of stationary slide 65 includes stainless steel plate material and base portion is for example equal to or greatly
In 0.1mm and equal to or less than 0.3mm when, the rebound that may occur when executing press process can be prevented.It therefore, can be more accurate
Ground forms multiple protrusions 67.
Due to according to embodiment, being disposed in and being included in fixing device 50 from the multiple protrusions 67 outstanding of reference plane 66
On the main part 65b of stationary slide 65, therefore can reduce can be in the inner peripheral surface 51b and stationary slide 65 of fixing belt 51
Main part 65b between the contact area that is formed.It is therefore possible to prevent the torque that may occur when the beginning of fixing belt 51 is driven
Increase.Further, since reducing the friction between stationary slide 65 and fixing belt 51, therefore can prevent from working as fixing belt 51
The energy expenditure that may occur when being driven.In addition, not the inner peripheral surface 51b of stationary slide 65 and fixing belt 51 it
Between place another component (such as slider) in the case of can reduce resistance to sliding.Therefore, fixing device 50 can be simplified, can be reduced
Manufacturing cost, and can prevent from starting the increase for the torque that the when of being driven may occur when fixing belt 51.Further, since from reference plane
66 multiple protrusions 67 outstanding are arranged on the main part 65b of stationary slide 65, thus lubricant can be distributed in around
In the entire reference plane 66 (for example, non-contact portion) that multiple protrusions 67 are arranged, that is to say, that be distributed between multiple protrusions 67
In space.Therefore, fixing belt 51 can be slided more easily, can reduce the deterioration of fixing belt 51 as time go on, and can be long-term
Maintain the quality of fixing device 50.In addition, each protrusion 67 of the inner peripheral surface 51b of contact fixing belt 51 is on width direction X
Length can be equal to or more than 0.55mm.In addition, the pitch P between the adjacent protrusions of multiple protrusions 6767It can be equal to or more than
1.1mm.Since according to embodiment, multiple protrusions 67 are included in fixing device 50, therefore can reduce fixing belt as described above
Contact power between 51 and stationary slide 65, and therefore can prevent the torque that may occur when fixing belt 51 is driven
Increase.Further, since using stationary slide 65, therefore applied by pressure roll 52 under 51 driven state of fixing belt
Load can be homogenized, and the part in fixing coining portion 53 can be prevented to be not applied to load.In addition, working as 67 quilt of multiple protrusions
When being included in fixing device 50, the internal pressure in fixing coining portion 53 can be equal to or less than 0.098MPa.
It will illustrate the first modification of protrusion with reference to Fig. 5 B this moment.Protrusion is not limited to rectangular shape, and can be in plan view
In with diamond shape protrusion 68.
Diagonal L 2 as the relatively long-diagonal in the diagonal line from the protrusion 68 with diamond shape can be arranged
For example to advance on the moving direction Y of fixing belt 51.As the diagonal of the relatively short diagonal in the diagonal line from protrusion 68
Line L3 can be arranged to for example advance on the width direction X of fixing belt 51.
Length L of each protrusion 68 on the width direction X vertical with the moving direction Y of fixing belt 51 of fixing belt 51X68
It can be for example equal to or more than 0.55mm.In addition, the pitch on the width direction X of fixing belt between the adjacent protrusions of protrusion 68
P68It can be for example equal to or more than 1.1mm.In addition, the length L of protrusion 68X68The distance between protrusion 68 D can be more than68。
It will illustrate the second modification of protrusion with reference to Fig. 5 C this moment.Can be had in the plan view according to the protrusion 69 of the second modification
Circular shape.
Multiple protrusions 69 can side by side arrange on the width direction X (for example, first direction) of fixing belt 51 with the row of being formed,
Being arranged in the rows of multiple protrusions of shape on width direction X 69 can be in the moving direction Y (for example, second direction) of fixing belt 51
It is upper to form multiple row.In addition, multiple protrusions 69 of the adjacent column on the width direction X of fixing belt 51 can be arranged in fixing
It is not corresponded to each other on width direction X with 51.Multiple protrusions 69 can be arranged to matrix.In addition, the rows of direction of 69 shape of protrusion
It is not limited to the width direction X of fixing belt 51 and the moving direction Y of fixing belt 51, and can be other directions.In addition, first direction
It can be direction perpendicular to one another with second direction or can be intersected at a predetermined angle instead of 90o.
The diameter L of each protrusion 69X69It can be for example equal to or more than 0.55mm.In addition, between adjacent protrusions in protrusion 69
The pitch P on width direction X69It can be for example equal to or more than 1.1mm.In addition, the diameter L of protrusion 69X69Protrusion 69 can be more than
The distance between D69.
It will illustrate the protrusion of stationary slide according to second embodiment with reference to Fig. 6 this moment.Multiple protrusions 82 and lubrication
Agent supporting projections 83 may be disposed at main part (for example, contact site) 81b of stationary slide 81 according to second embodiment
On.Protrusion 82 can extend on the width direction X of fixing belt 51 and can be arranged on the moving direction Y of fixing belt 51 each other
It separates.In addition, lubricant supporting projections 83 can extend on the moving direction Y of fixing belt and can be disposed in stationary slide
On 81 two ends on the width direction X of fixing belt 51.
Lubricant supporting projections 83 can be disposed in the outside on the width direction X of fixing belt 51 of protrusion 82.In root
According in the fixing device 50 of embodiment, lubricant can be distributed on the main part 81b and fixing belt 51 of stationary slide 81
Between inner peripheral surface 51b.Lubricant supporting projections 83 can be used to support the main part 81b for being distributed on stationary slide 81
The lubricant support portion of lubricant between the inner peripheral surface 51b of fixing belt 51.Lubricant supporting projections 83 can be disposed in note
The outside on width direction X of the image forming area of recording medium P and being disposed in applied by pressure roll 52 loaded
Imprint the inside of load area.The image forming area of recording medium P is the area that toner image can be formed on recording medium P
Domain.Coining load area is the region that fixing belt 51 and pressure roll 52 can be in contact with each other.
The width L of each protrusion 82Y82It can be for example equal to or more than 0.55mm.In addition, between adjacent protrusions in protrusion 82
The pitch P on the moving direction Y of fixing belt 5182It can be for example equal to or more than 1.1mm.Each lubricant supporting projections 83
Width can be for example equal to or more than the width L of each protrusion 82Y82。
As described above, when the lubricant supporting projections 83 with belt shape are disposed on the width direction X of fixing belt 51
Two ends when, the lubricant being distributed between main part 65b and the inner peripheral surface 51b of fixing belt 51 can be in fixing belt 51
There is restricted movement on width direction X.It is therefore possible to prevent lubricant leakage to fixing coining portion 53 in fixing belt 51
Outside on width direction X.
This moment by the modification for the protrusion for reference to Fig. 7 A to Fig. 7 C illustrating that there is belt shape.Fig. 7 A's to Fig. 7 C has belt shape
Protrusion 85 to protrusion 87 be Fig. 6 the protrusion 82 with belt shape third to the 5th modification.Fig. 7 A to Fig. 7 C are shown vertical
Have the protrusion 85 of belt shape from center to end to the part of protrusion 87 upwards.
As shown in Figure 7A, according to 85 tiltable of protrusion with belt shape of third modification so that extend in protrusion 85
Extending direction and the width direction X of recording medium P between there are predetermined angulars.Protrusion 85 with belt shape not with fixing
It is vertical with 51 moving direction Y.Protrusion 85 with belt shape can be arranged to tilt in the longitudinal direction over the entire length.At this
In the case of kind, the angle of inclination of the protrusion 85 with belt shape can be constant or can be changed according to longitudinal position.
As shown in fig.7b, central portion can be respectively included according to the protrusion 86 with belt shape of the 4th modification in the longitudinal direction
86a and end 86b.Central portion 86a can have 1/3 length of the about longitudinal whole length of protrusion 86.Central portion 86a
It can be arranged to vertical with the moving direction Y of fixing belt 51.End 86b may be disposed at two ends of central portion 86a, with phase
Central portion 86a is tilted.For example, the part of the close central portion 86a of end 86b may be disposed at the entrance of fixation unit 53
Place, that is to say, that be arranged on the upstream of the moving direction Y of fixing belt 51, the part of the separate central portion 84a of end 86b can
It is arranged on the outlet of fixation unit 53, that is to say, that be arranged on the downstream of the moving direction Y of fixing belt 51.In addition, at this
Kind in the case of, the angle formed between each end 86b and central portion 86a can be for example but be not limited to be equal to or more than 5 ° and
Equal to or less than 30o.
In addition, the protrusion with belt shape may be arranged such that range from central portion to the part of two ends in longitudinal direction
Upper inclination, the part without including the central portion vertical with the moving direction Y of fixing belt.For example, protrusion can be arranged to have
It is the V-shape on vertex with the center of whole length.Even in this case, central portion may be disposed at fixing coining portion 53
Inlet, that is to say, that be arranged on the upstream of the moving direction Y of fixing belt 51, and outside portion may be disposed at fixing coining
The exit in portion 53, that is to say, that be arranged on the downstream of the moving direction Y of fixing belt 51.
In addition, the protrusion with belt shape can include the central portion vertical with the moving direction Y of fixing belt 51 in the longitudinal direction
Part, and the bending section being bent outwardly in the longitudinal direction from central portion may be disposed at the exit in fixing coining portion 53, also
It is to say, is arranged on the downstream of the moving direction Y of fixing belt 51.
As shown in fig. 7c, flexible with waveshape according to the protrusion 87 with belt shape of the 5th modification.Protrusion
87 may include multiple bending sections.It in this case, the bending section being bent in the opposite direction can be in the width of fixing belt 51
It is alternately arranged on the X of direction.In this case, longitudinal two outer ends may be disposed at going out for fixing coining portion 53
Mouthful, that is to say, that it may be disposed at the downstream of the moving direction Y of fixing belt 51.
The torque that will illustrate generate when fixing belt is driven with reference to Fig. 8 this moment.Fig. 8 is to show to be driven in fixing belt 51
The curve graph of the torque generated when dynamic.Trunnion axis in Fig. 8 indicates the load (N) at fixing coining portion 53, vertical in Fig. 8
Axis indicates the torque (Nm) that can be generated when fixing belt 51 is driven.
In embodiment 1, using including being formed on consolidating for multiple protrusions 67 with rectangular shape as shown in Figure 4
Determine the fixing device of sliding component 65.In comparative example 1, using include there is plate shape consolidating for protrusion is not formed thereon
Determine the fixing device of sliding component.Other than there are protrusion, the fixing in embodiment in 1 fixing device and comparative example 1
Device is identical.Then, the maximum value of the torque generated when fixing belt 51 is driven can be measured and be drawn on the graph.
In embodiment 1 in comparative example 1, the load in coining portion 53 is fixed by change by repeatedly measures torque.
In Fig. 8, curve G1 is corresponding with the measurement result of embodiment 1, and curve G2 is corresponding with the measurement result of comparative example 1.For example, hair
Existing, when load is about 300N, the torque of the torque ratio comparative example 1 of embodiment 1 is small by 30% or more.
It will illustrate fixing device 90 according to third embodiment with reference to Fig. 9 this moment.It is according to third embodiment fixed in description
When image device 90, it will not be described again and the element or the identical element of structure or structure in first embodiment and second embodiment.
Fixing device 90 may include fixing belt 51, pressure roll 52, contact member 54 and heat source (for example, heater) 55.This
Outside, fixing device 90 may include the separation that the recording medium P for the peripheral surface 51a for making to be attached to fixing belt 51 is detached with fixing belt 51
Component 56.Separating member 56 may be disposed at the outlet on the direction of the supply R3 in recording medium P in fixing coining portion 53.
Contact member 54, which may be disposed at the inside of fixing belt 51 and can pressure is applied to record together with pressure roll 52, to be situated between
Matter P.Contact member 54 can be upwardly extended in the axis of the fixing belt 51 with cylindrical shape, and may include the knot extended in the axial direction
The stationary slide 65 that structure 63, the support portion 64 being supported in structure 63 and supported portion 64 support.Fixed sliding structure
Part 65 may include multiple protrusions 67.
In addition, fixing device 90 may include the reflecting plate 92 for covering the outer surface of contact member 54.Reflecting plate 92 can be fixed
The axis of shadow bands 51 upwardly extends, and reflecting plate 92 can have with the section intercepted on longitudinally perpendicular directionShape.Instead
Plate 92 is penetrated to may include a pair of sidewalls 92a upwardly extended in the side vertical with the direction of the supply of recording medium P and connect a pair
The interconnecting piece 92b of the end of side wall 92a.In fig.9, the end (specifically close to heat source 55) of a pair of sidewalls 92a can pass through company
Socket part 92b is connected to each other.
A pair of sidewalls 92a can be installed to be a pair of sidewalls 65a of covering stationary slide 65.Reflecting plate 92 can will be from warm
The radiant heat that source 55 applies is reflected into the inner peripheral surface 51b of fixing belt 51.In addition, reflecting plate 92 can will be from the inner peripheral surface of fixing belt 51
The radiant heat that 51b applies is reflected into the inner peripheral surface 51b of fixing belt 51.
In addition, fixing device 90 may also include：Lubricant supply department 93 is arranged on connecing as stationary slide 65
The upstream of the main part 65b of contact portion, that is to say, that be arranged on the inlet in fixing coining portion 53；And film thickness adjustment portion
94, it is arranged on the downstream of main part 65b, that is to say, that be arranged on the mobile side in fixing belt 51 in fixing coining portion 53
Outlet on Y.
Lubricant supply department 93 can be arranged on the main part of stationary slide 65 on the moving direction Y of fixing belt 51
The end of the upstream of 65b, that is to say, that be arranged on the inlet in fixing coining portion 53, and fixed sliding can be supported on
On component 65.Lubricant supply department 93 can have length corresponding with the width in the axial direction of fixing belt 51 of fixing belt 51.
Lubricant can be filled in lubricant supply department 93, and the part of the leaching lubricant of lubricant supply department 93, which can be applied to, determines
The inner peripheral surface 51b of shadow bands 51.In addition, the lubricant for being attached to inner peripheral surface 51b can be moved as fixing belt 51 moves, and can quilt
Supply is between main part 63b and inner peripheral surface 51b.
Film thickness adjustment portion 94 can be arranged on the main part of stationary slide 65 on the moving direction Y of fixing belt 51
The end in the downstream of 65b, that is to say, that be arranged on the exit in fixing coining portion 53, and can the support of supported portion 64.Film
Thickness adjustment portion 94 can have length corresponding with the width in the axial direction of fixing belt 51 of fixing belt 51.
In addition, when film thickness adjustment portion 94 can contact the inner peripheral surface 51b of fixing belt 51 and can when fixing belt 51 rotates tune
Save the shape of fixing belt 51.Film thickness adjustment portion 94 can extend in the diametric(al) of fixing belt 51 to protrude outward, and can quilt
It is set as pressing inner peripheral surface 51b.Pass through main part 65b in addition, film thickness adjustment portion 94 is adjustable and be moved to fixing coining portion
The film thickness of the lubricant of 53 outlet.That is, the lubricant for being attached to the inner peripheral surface 51b of fixing belt 51 can be due to film thickness
It spends adjustment portion 94 and there is restricted movement for the outlet in fixing coining portion 53.
Film thickness adjustment portion 94 may include non-woven fabrics.Non-woven fabrics may include such as heat resistance fiber.Non-woven fabrics can have for example
300 DEG C or higher heat resistance.In addition, non-woven fabrics can also be with anti-flammability, the UL94 of non-woven fabrics other than with heat resistance
Flammability rating can be equal to or more than V-0.In addition, the thickness of non-woven fabrics can for example equal to or more than 0.8m and be equal to or less than
4.5mm.In addition, the weight of non-woven fabrics can be for example equal to or more than 200g/m2.In addition, may include in non-woven fabrics as micro- resistance to
The aramid fiber of thermal fiber.
For example, film thickness adjustment portion 94 can be formed by winding non-woven fabrics around the component with rod-shape.In addition, film
Thickness adjustment portion 94 can be formed by stacking multiple layers formed by non-woven fabrics covers..In addition, film thickness adjustment portion 94 can be by such as
The material of synthetic resin is formed.
In fixing device 90 according to the embodiment, lubricant can be supplied from the upstream of stationary slide 65, also
It is to say, is supplied from the entrance in fixing coining portion 53, and the main part 65b and fixing belt of stationary slide 65 can be distributed on
Between 51 inner peripheral surface 51b.Therefore, can reduce stationary slide 65 main part 65b and fixing belt 51 inner peripheral surface 51b it
Between frictional resistance, can prevent the torque of fixing belt 51 from increasing, and even if fixing device 90 beginning driven or driven when
Torque can be reduced.
In fixing device 90 according to the embodiment, since lubricant can be distributed on the main part of stationary slide 65
Between 65b and the inner peripheral surface 51b of fixing belt 51, therefore compared with the non-lubricant the case where, it can prevent from sliding due to fixed
The friction dust for moving the friction between component 65 and fixing belt 51 and generating, therefore can prevent dirty caused by the dust that rubs
Dye.For example, although the inner peripheral surface 51b upper surface layers for being formed in fixing belt 51 detached and therefore there may be abrasion dust,
Be fixing device 90 according to the embodiment can as mentioned above lubricant and prevent friction dust.Therefore, may be used
The amount that friction dust is moved to the outlet in fixing coining portion 53 together with rest lubricant is reduced, therefore the interior of fixing belt 51 can be prevented
The pollution in portion.
In addition, in fixing device 90 according to the embodiment, it is attached to the film of the lubricant of the inner peripheral surface 51b of fixing belt 51
Thickness can be adjusted by film thickness adjustment portion 94.Lubricant with the thickness equal to or more than predetermined thickness can contact film thickness
Adjustment portion 94 is spent, therefore can will not be moved to the outlet of fixation unit 53.Film thickness adjustment portion 94 may include non-woven fabrics, and adhere to
Rest lubricant to the inner peripheral surface 51b of fixing belt 51 can be removed by non-woven fabrics.In addition, due to stationary slide 65 and can determine
Friction between shadow bands 51 and a small amount of abrasion dust for generating can also be included in film thickness adjustment portion 94 together with rest lubricant
In non-woven fabrics remove.
With rest lubricant and abrasion dust is removed as described above, can prevent due to rest lubricant and abrasion dust
Caused by pollute.Therefore, because preventing rest lubricant and wearing the inner peripheral surface 51b that dust is attached to fixing belt 51, therefore
It can prevent rest lubricant and abrasion dust from being fallen from the inner peripheral surface 51b of fixing belt 51.It is attached to reflecting plate 92 in addition, can reduce
Rest lubricant and abrasion dust amount, therefore can prevent reflection efficiency from reducing.As a result, the spoke due to carrying out self-heat power 55
Fixing belt 51 can be effectively transferred to by penetrating heat, therefore fixing belt 51 can be heated even more effectively and toner image can more may be used
It is fixed to recording medium P by ground.
In addition, in fixing device 90 according to the embodiment, since film thickness adjustment portion 94 contacts the inner circumferential of fixing belt 51
Face 51b, therefore the shape of the fixing belt 51 of rotation can be limited.Fixing belt 51 can be received due to film thickness adjustment portion 94 in diameter
External pressure on direction, therefore the shape of fixing belt 51 can be limited.Therefore, the swing offset of fixing belt 51 can be limited.Rotation
Displacement refers to the displacement for the fixing belt 51 that may occur when fixing belt 51 rotates, and is specifically referred in the thickness side of fixing belt 51
Upward displacement.In fixing device 90 according to the embodiment, since the swing offset of fixing belt 51 can be limited, it can prevent
Fixing belt 51 and be disposed proximate to fixing belt 51 peripheral surface 51a separating member 56 between unnecessary contact.In addition, by
In the rotated shape (for example, track) of fixing belt 51 can be stable, therefore can prevent fixing belt 51 and separating member 56 it
Between unexpected contact.
In addition, in fixing device 90 according to the embodiment, fixing coining is arranged on due to can more steadily limit
The rotated shape of the fixing belt 51 of the near exit in portion 53, therefore the front end of separating member 56 can be arranged to closer to fixing
With 51 peripheral surface 51a.Therefore, the recording medium P for being attached to the peripheral surface 51a of fixing belt 51 can be detached more reliably.
Further, since film thickness adjustment portion 94 can prevent the rest lubricant for being attached to fixing belt 51 and abrasion dust from passing through
Film thickness adjustment portion 94 and the rotated shape exported and can more stably adjust fixing belt 51 for being moved to fixing coining portion 53, because
This can be not necessarily to that other structure is arranged, and then can simplify the structure of fixing device 90.
Figure 10 is the amplification sectional view for the modification for showing film thickness adjustment portion 94.Film thickness adjustment portion 94 may include such as Figure 10
Shown in towards 51 adjustment portion 94a outstanding of fixing belt.According to embodiment, as with the inner peripheral surface 51b in face of fixing belt 51
The adjustment portion 94a in shape adjustment portion on surface can be protruded outward in the diametric(al) of fixing belt 51.Adjustment portion 94a can direction
Pressure roll 52 protrudes past the main part 65b of stationary slide 65.In addition, adjustment portion 94a according to the embodiment can be towards pressure
Power roller 52 protrudes past coining face N.Therefore, the contact position between adjustment portion 94a and fixing belt 51 can in diametric(al)
The outside of coining face N.When adjustment portion 94a as described above projects outwardly beyond coining face N, film thickness adjustment portion 94 can be more stable
Ground contacts fixing belt 51 and can limit the swing offset of fixing belt 51 with more ensuring.It may be affixed in addition, can more reliably reduce
The rest lubricant and abrasion dust of the inner peripheral surface 51b of fixing belt 51.
This moment by referring to Fig.1 1 explanation according to the fixing device 100 of fourth embodiment.The fixing device 100 and basis of Figure 11
The fixing device 90 of 3rd embodiment difference lies in：The structure of the structure and film thickness adjustment portion 94 of film thickness adjustment portion 102
Difference, and provided with the lubricant receiving part 103 for receiving the lubricant recycled from film thickness adjustment portion 102.When description the
When the fixing device 100 of four embodiments, will not be described again in first embodiment to 3rd embodiment element or structure it is identical
Element or structure.
Fixing device 100 according to the embodiment may include that film thickness adjustment means 101, film thickness adjustment means 101 include
Film thickness adjustment portion 102.Film thickness adjustment means 101 can be upwardly extended in the axis of fixing belt 51.In this case, film thickness
Adjustment means 101 can have length corresponding with the width in the axial direction of fixing belt 51 of fixing belt 51.In addition to film thickness tune
Other than section portion 102, film thickness adjustment means 101 may include support portion 101a.Support portion 101a can be arranged to be supported on to connect
It touches on component 54.
Support portion 101a may be formed to have such as post shapes, and can be upwardly extended in the axis of fixing belt 51.Support portion
101a can be arranged to be supported on the downstream (for example, in downstream of the moving direction Y of fixing belt 51) for example in support portion 64
On the side wall 64a at place.However, embodiment is without being limited thereto, support portion 101a can be arranged to be supported on the knot of contact member 54
On structure 63.
Film thickness adjustment portion 102 can be arranged to supported portion 101a (for example, film thickness adjustment portion 102 can be with support portion
101a is integrally formed) support.Film thickness adjustment portion 102 may include guide surface 102a, edge part 102b and inclined surface 102c.Film
Thickness adjustment portion 102 can protrude outward in the diametric(al) of fixing belt 51 from support portion 101a.Film thickness adjustment portion 102 can wrap
Include the guide surface 102a of the inner peripheral surface 51b of contact fixing belt 51.For example, guide surface 102a can be in the rotation around fixing belt 51
Heart O51Upwardly extend in week.In addition, guide surface 102a can have predetermined length in the circumferential direction of fixing belt 51.For example, guide surface
The length of 102a can be the 10% of the circumferential lengths of fixing belt 51.
In addition, guide surface 102a may include such as synthetic resin.Guide surface 102a may include with high-fire resistance and high resistant
The synthetic resin of combustion property, such as PPS, polyethylene terephthalate (PET), LCP or PEEK.In addition, guide surface 102a can
Including non-woven fabrics.
Figure 12 is the amplification sectional view of the edge part 102b of film thickness adjustment means 101.As shown in Figure 12, as guiding
The edge part 102b of the end of face 102a may be disposed at the main part of the front end and stationary slide 65 of separating member 56
Between 65b.
The rotation center O in face of fixing belt 51 of edge part 102b51A surface can be relative to contact fixing belt
The inclined inclined surface 102c of tangent line L51b of 51 inner peripheral surface 51b.Follow the straight line L102c's and tangent line L51b of inclined surface 102c
Tilt angle theta102cIt may, for example, be but be not limited to be equal to or more than 15 ° and be equal to or less than 45 °.
Fixing device 100 may include the lubricant receiving part 103 for receiving the lubricant recycled from film thickness adjustment portion 102.
Lubricant receiving part 103 may be disposed at the downstream of stationary slide 65, that is to say, that may be disposed at fixing coining portion 53
Exit, and can also be arranged on the upstream on the moving direction Y of fixing belt 51 of edge part 102b.Lubricant receiving part
103 may include the opening of the inner peripheral surface 51b close to fixing belt 51.
Lubricant receiving part 103 can be in the side wall 65a (referring to Fig. 1) and film thickness adjustment portion 102 of stationary slide 65
Between receive rest lubricant in the space that is formed.The lubricant moved after being attached to fixing belt 51 reaches film thickness tune
It the edge part 102b in section portion 102 and can be detached with fixing belt 51.The lubricant of separation can be in the inclined surface along edge part 102b
It is received in lubricant receiving part 103 after 102c movements.
It can be prevented due to the fixing device 100 of fourth embodiment dirty caused by rest lubricant and abrasion dust
Dye.
In addition, in the fixing device 100 of fourth embodiment, although film thickness adjustment means 101 and support portion 64 are single
Only element, but film thickness adjustment means 101 and support portion 64 can integrally turn to a component.Therefore, fixing dress can be reduced
The quantity of the component in 100 is set, and the structure of fixing device 100 can be simplified.
Embodiment is without being limited thereto, and various modifications can be made in the case where not departing from the range of present inventive concept.
In fixing device 100, fixing belt 51 may include the base portion 57 formed by synthetic resin, and lubricant supply department 93 can
Supply slide oil (black lubricant).Therefore, slide oil can be applied to the inner peripheral surface 51b of fixing belt 51.
It, can be fixed by the way that slide oil to be applied to when fixing belt 51 is formed by the synthetic resin for not being allowed for black surface to handle
The inner peripheral surface 51b of shadow bands 51 and the absorption for increasing the radiant heat of fixing belt 51.Therefore, the efficiency of heating surface can be improved, and image can lead to
It crosses and is steadily fixed to recording medium using fixing device 100.Slide oil can be added carbon black or black dyes
Fluorine-based lubricant.However, embodiment is without being limited thereto, and lubricant can form black by using other methods.
In addition, in embodiment, protrusion can be included in the main part 65b of the contact site of stationary slide 65
In, or the main part 65b in the fixing device 100 of the fixing device 90 or fourth embodiment of 3rd embodiment can be not included
In.
In addition, the shape of protrusion is not limited to diamond shape, circular shape and belt shape, and can be such as trapezoidal shape or
Arbitrary shape in elliptical other shapes.
In addition, the pitch between multiple protrusions is not limited to 1.1mm or bigger and is smaller than 1.1mm.In addition, between protrusion
Pitch can be constant or can be changed according to the position for example on width direction X.In addition, each of contact fixing belt
The length of protrusion is not limited to 0.5mm or bigger, and is smaller than 0.55mm.
According to embodiment, a kind of fixing device and the image forming apparatus including the fixing device, the fixing device are provided
It can prevent the increase of the issuable torque when fixing belt starts to be driven.
Although describing one or more embodiments with reference to figure, what those skilled in the art will be understood that
It is that various in terms of can making form and details in the case where not departing from the spirit and scope being defined by the following claims change
Become.
Claims (15)
1. a kind of fixing device is able to record that the recording medium of electronics toner image passes through the fixing device, described fixed
Image device includes：
Fixing belt can rotate and include inner peripheral surface and peripheral surface；
Pressure roll contacts with pressure the peripheral surface of the fixing belt and forms fixing pressure between the pressure roll and the fixing belt
Print portion, so that the recording medium is passed through on the moving direction of the fixing belt；And
Contact member, positioned at the inside of the fixing belt and include the inner peripheral surface for contacting the fixing belt contact site,
Wherein, the contact site includes surface in face of the pressure roll with plate shape and from the surface towards the pressure
Power roller multiple protrusions outstanding.
2. fixing device according to claim 1, wherein the multiple protrusion is formed：
First row protrusion is arranged and is separated from each other in the width direction of the fixing belt；And
Second row protrusion is moved in the fixing belt with the first row protrusion and is spaced apart on moving direction along which, and second
Protrusion is arranged to arrange and be separated from each other in the width direction of the fixing belt,
Multiple protrusions of the first row protrusion and the second row protrusion are in the fixing belt in the fixing coining portion
It is alternately arranged on moving direction.
3. fixing device according to claim 2, wherein the multiple protrusion in the width direction of the fixing belt
Length be approximately equal to or greater than between the adjacent protrusions in the multiple protrusion in the width direction of the fixing belt
Distance.
4. fixing device according to claim 1, the fixing device further includes be distributed on the contact site described
Lubricant between surface and the multiple protrusion.
5. fixing device according to claim 4, wherein the contact site includes multiple lubricant supporting projections, with branch
Distribution of the lubricant between the surface and the inner peripheral surface of the fixing belt of the contact site is supportted,
The multiple lubricant supporting projections are moved in the fixing belt to be extended on moving direction along which, and is disposed in institute
It states on two ends in the width direction of fixing belt.
6. fixing device according to claim 1, wherein the contact site includes base portion, and the institute of the contact site
The superficial layer that surface is stacked above on the base portion is stated,
At least part of the base portion include aluminium, stainless steel, liquid crystal polymer (LCP) and polyphenylene sulfide (PPS) at least
Any one is combined, and
At least part of the superficial layer include polytetrafluoroethylene (PTFE) (PTFE), perfluoro alkoxy (PFA) fluorine synthetic resin and its
At least any one or combination in modifier.
7. fixing device according to claim 1, wherein the contact site includes base portion,
The surface of the contact site is superficial layer, and the base portion has plate shape corresponding with the plate shape of the superficial layer
Shape, the base portion include aluminium and have the thickness for being approximately equal to or greater than 0.2mm and being approximately equal to or less than 0.5mm.
8. fixing device according to claim 1, wherein the contact site includes base portion,
The surface of the contact site is superficial layer, and the base portion has plate shape corresponding with the plate shape of the superficial layer
Shape, the base portion include stainless steel and have the thickness for being approximately equal to or greater than 0.1mm and being approximately equal to or less than 0.3mm.
9. fixing device according to claim 1, the fixing device further include：
Lubricant supply department, is located at the inlet in the fixing coining portion, and the fixing belt is directed through the lubricant and supplies
Portion is answered so that lubricant is supplied to the contact site, and
Film thickness adjustment portion, is located at the exit in the fixing coining portion, and the fixing belt is discharged through the film thickness tune
Section portion, to limit the shape of the fixing belt in response to the rotation of the fixing belt by contacting the inner peripheral surface of the fixing belt
Shape, and adjust by being attached to the inner peripheral surface of the fixing belt film thickness of the lubricant.
10. fixing device according to claim 9, wherein the film thickness adjustment portion is included in the straight of the fixing belt
The adjustment portion that diameter side upwardly extends,
The adjustment portion projects outwardly beyond the coining face in the fixing coining portion in the diametric(al) of the fixing belt, described
The peripheral surface of pressure roll and the fixing belt is in contact with each other on the coining face in the fixing coining portion.
11. fixing device according to claim 10, the fixing device further includes making to be attached to the outer of the fixing belt
The separating member of the recording medium separation of circumferential surface,
Wherein, the fixing belt be located at the fixing coining portion the fixing belt be discharged by exit, it is described more
A protrusion is between the contact member and the separating member.
12. fixing device according to claim 9, wherein the film thickness adjustment portion includes the contact fixing belt
The guide surface of inner peripheral surface, the guide surface upwardly extend in the week of the fixing belt.
13. fixing device according to claim 12, wherein the film thickness adjustment portion includes：Edge part is located at described
To scrape the lubricant for the inner peripheral surface for being attached to the fixing belt on the end of guide surface；And lubricant receiving part, it is located at institute
It states between contact member and the edge part to receive the lubricant scraped by the edge part.
14. fixing device according to claim 13, wherein the edge part includes relative to the contact fixing belt
The inclined surface that the tangent line of inner peripheral surface is in the tilted angle.
15. fixing device according to claim 14, the fixing device further includes making to be attached to the outer of the fixing belt
The separating member of the recording medium separation of circumferential surface,
Wherein, the separating member be located at the fixing coining portion the fixing belt be discharged by exit, it is described
Edge is between the contact member and the separating member.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015249896A JP6792331B2 (en) | 2015-12-22 | 2015-12-22 | Fixing device and image forming device |
| JP2015-249896 | 2015-12-22 | ||
| KR1020160091446A KR20170074738A (en) | 2015-12-22 | 2016-07-19 | Fixing device and Image forming device comprising the same |
| KR10-2016-0091446 | 2016-07-19 | ||
| PCT/KR2016/011715 WO2017111278A1 (en) | 2015-12-22 | 2016-10-19 | Fixing device and image forming apparatus including the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108463777A true CN108463777A (en) | 2018-08-28 |
| CN108463777B CN108463777B (en) | 2021-09-14 |
Family
ID=59231777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680076405.0A Active CN108463777B (en) | 2015-12-22 | 2016-10-19 | Fixing device and image forming apparatus including the same |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3380895B1 (en) |
| JP (1) | JP6792331B2 (en) |
| KR (1) | KR20170074738A (en) |
| CN (1) | CN108463777B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017167282A (en) * | 2016-03-15 | 2017-09-21 | 富士ゼロックス株式会社 | Fixing device and image forming apparatus |
| JP6874357B2 (en) * | 2016-12-20 | 2021-05-19 | 株式会社リコー | Fixing device and image forming device |
| JP6972925B2 (en) * | 2017-10-29 | 2021-11-24 | 沖電気工業株式会社 | Fixing device and image forming device |
| JP7269529B2 (en) * | 2019-03-13 | 2023-05-09 | 株式会社リコー | Heating device, fixing device and image forming device |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195792A (en) * | 1997-02-28 | 1998-10-14 | 兄弟工业株式会社 | Developing device in image forming apparatus and toner cartridge used in such developing device |
| CN1199187A (en) * | 1997-05-14 | 1998-11-18 | 佳能株式会社 | Image heating device |
| JP2000356918A (en) * | 1999-06-15 | 2000-12-26 | Nitto Denko Corp | Endless belt for electrophotographic recorder |
| CN1318775A (en) * | 2000-02-21 | 2001-10-24 | 佳能株式会社 | Magnetic toner and imaging method using the same |
| US6456819B1 (en) * | 1999-07-30 | 2002-09-24 | Canon Kabushiki Kaisha | Image heating apparatus |
| JP2003076178A (en) * | 2001-09-06 | 2003-03-14 | Canon Inc | Image forming device |
| JP2004198655A (en) * | 2002-12-17 | 2004-07-15 | Fuji Xerox Co Ltd | Fixing device and electrophotographic system using it |
| JP2005242113A (en) * | 2004-02-27 | 2005-09-08 | Canon Inc | Image heating apparatus and image forming apparatus |
| JP2006047769A (en) * | 2004-08-05 | 2006-02-16 | Fuji Xerox Co Ltd | Fixing device |
| CN100504652C (en) * | 2004-10-20 | 2009-06-24 | 佳能株式会社 | Image heating apparatus and pad sheet therefor |
| CN101900986A (en) * | 2009-05-28 | 2010-12-01 | 株式会社东芝 | Cleaning device, method for maintaining cleaning performance |
| US20110013953A1 (en) * | 2009-07-15 | 2011-01-20 | Atsushi Miyamoto | Lubricating device, fixing device, and image forming apparatus |
| CN102053545A (en) * | 2009-10-30 | 2011-05-11 | 兄弟工业株式会社 | Fusing device |
| CN102200737A (en) * | 2010-03-25 | 2011-09-28 | 富士施乐株式会社 | Conveying device, fixing device and image forming apparatus |
| US20130195524A1 (en) * | 2012-01-26 | 2013-08-01 | Kenji Ishii | Fixing device and endless belt assembly |
| US20140294465A1 (en) * | 2013-03-29 | 2014-10-02 | Brother Kogyo Kabushiki Kaisha | Fixing Device Fixing Transferred Developing Agent Image to Sheet |
| US20150168897A1 (en) * | 2012-02-09 | 2015-06-18 | Tadashi Ogawa | Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same |
| JP2015210456A (en) * | 2014-04-30 | 2015-11-24 | 京セラドキュメントソリューションズ株式会社 | Fixing device and image forming apparatus |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063987A (en) * | 1992-06-17 | 1994-01-14 | Canon Inc | Fixing device for image forming device |
| JP3254117B2 (en) * | 1995-10-04 | 2002-02-04 | キヤノン株式会社 | Image heating device |
| JP2002299007A (en) * | 2001-03-30 | 2002-10-11 | Canon Inc | Heating device and imaging device |
| JP2002323819A (en) * | 2001-04-24 | 2002-11-08 | Canon Inc | Heat fixing device |
| JP2007057851A (en) * | 2005-08-24 | 2007-03-08 | Canon Finetech Inc | Fixing device and image forming apparatus |
| KR100861128B1 (en) * | 2007-03-20 | 2008-09-30 | 삼성전자주식회사 | Fixing apparatus and image forming apparatus having the same |
| KR100884399B1 (en) * | 2007-04-04 | 2009-02-17 | 삼성전자주식회사 | Fixing apparatus and image forming apparatus having same |
| JP5125267B2 (en) * | 2007-07-09 | 2013-01-23 | コニカミノルタビジネステクノロジーズ株式会社 | Sliding sheet for fixing device and manufacturing method thereof, fixing device and image forming apparatus |
| JP2009251311A (en) * | 2008-04-07 | 2009-10-29 | Sharp Corp | Fixing device and image forming apparatus having the same |
| JP5556343B2 (en) * | 2009-09-03 | 2014-07-23 | 株式会社リコー | Fixing apparatus and image forming apparatus |
| JP5754230B2 (en) * | 2011-04-28 | 2015-07-29 | ブラザー工業株式会社 | Fixing device |
| JP2014013377A (en) * | 2012-06-06 | 2014-01-23 | Ricoh Co Ltd | Fixing device and image forming apparatus |
| JP2014186315A (en) * | 2013-02-22 | 2014-10-02 | Nok Corp | Fixing pressing member and fixing device |
| JP6124118B2 (en) * | 2013-03-15 | 2017-05-10 | 株式会社リコー | Fixing apparatus and image forming apparatus |
-
2015
- 2015-12-22 JP JP2015249896A patent/JP6792331B2/en active Active
-
2016
- 2016-07-19 KR KR1020160091446A patent/KR20170074738A/en not_active Withdrawn
- 2016-10-19 CN CN201680076405.0A patent/CN108463777B/en active Active
- 2016-10-19 EP EP16879145.7A patent/EP3380895B1/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1195792A (en) * | 1997-02-28 | 1998-10-14 | 兄弟工业株式会社 | Developing device in image forming apparatus and toner cartridge used in such developing device |
| CN1199187A (en) * | 1997-05-14 | 1998-11-18 | 佳能株式会社 | Image heating device |
| JP2000356918A (en) * | 1999-06-15 | 2000-12-26 | Nitto Denko Corp | Endless belt for electrophotographic recorder |
| US6456819B1 (en) * | 1999-07-30 | 2002-09-24 | Canon Kabushiki Kaisha | Image heating apparatus |
| CN1318775A (en) * | 2000-02-21 | 2001-10-24 | 佳能株式会社 | Magnetic toner and imaging method using the same |
| JP2003076178A (en) * | 2001-09-06 | 2003-03-14 | Canon Inc | Image forming device |
| JP2004198655A (en) * | 2002-12-17 | 2004-07-15 | Fuji Xerox Co Ltd | Fixing device and electrophotographic system using it |
| JP2005242113A (en) * | 2004-02-27 | 2005-09-08 | Canon Inc | Image heating apparatus and image forming apparatus |
| JP2006047769A (en) * | 2004-08-05 | 2006-02-16 | Fuji Xerox Co Ltd | Fixing device |
| CN100504652C (en) * | 2004-10-20 | 2009-06-24 | 佳能株式会社 | Image heating apparatus and pad sheet therefor |
| CN101900986A (en) * | 2009-05-28 | 2010-12-01 | 株式会社东芝 | Cleaning device, method for maintaining cleaning performance |
| US20110013953A1 (en) * | 2009-07-15 | 2011-01-20 | Atsushi Miyamoto | Lubricating device, fixing device, and image forming apparatus |
| CN102053545A (en) * | 2009-10-30 | 2011-05-11 | 兄弟工业株式会社 | Fusing device |
| CN102200737A (en) * | 2010-03-25 | 2011-09-28 | 富士施乐株式会社 | Conveying device, fixing device and image forming apparatus |
| US20130195524A1 (en) * | 2012-01-26 | 2013-08-01 | Kenji Ishii | Fixing device and endless belt assembly |
| US20150168897A1 (en) * | 2012-02-09 | 2015-06-18 | Tadashi Ogawa | Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same |
| US20140294465A1 (en) * | 2013-03-29 | 2014-10-02 | Brother Kogyo Kabushiki Kaisha | Fixing Device Fixing Transferred Developing Agent Image to Sheet |
| JP2015210456A (en) * | 2014-04-30 | 2015-11-24 | 京セラドキュメントソリューションズ株式会社 | Fixing device and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3380895A1 (en) | 2018-10-03 |
| JP2017116650A (en) | 2017-06-29 |
| KR20170074738A (en) | 2017-06-30 |
| EP3380895B1 (en) | 2023-09-20 |
| EP3380895A4 (en) | 2020-04-15 |
| JP6792331B2 (en) | 2020-11-25 |
| CN108463777B (en) | 2021-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10452011B2 (en) | Fixing device and image forming apparatus including the same | |
| US7860444B2 (en) | Image-forming machine fixing device with a nipping region having a pressure distribution | |
| US7463857B2 (en) | Fixing device with peeling member for an image forming apparatus | |
| US8594549B2 (en) | Image forming apparatus incorporating a fixing device and contact member to reduce fixing member deformation | |
| CN102540838B (en) | Fixing device and image forming apparatus | |
| US8027627B2 (en) | Fixing device and image forming apparatus with improved mechanism for stably applying oil for fixing | |
| US7986909B2 (en) | Fixing device and image forming apparatus using the same | |
| JP6347163B2 (en) | Fixing apparatus and image forming apparatus | |
| CN108463777A (en) | Fixing device and image forming apparatus including the fixing device | |
| US20150063884A1 (en) | Fixing device and image forming apparatus incorporating same | |
| KR101970714B1 (en) | Devoloping device and image forming apparatus using the same | |
| JP7269547B2 (en) | Fixing device, image forming device | |
| US6792236B2 (en) | Fixing device for an image forming apparatus | |
| US8045906B2 (en) | Belt-type fixing device having a pressure roller with surface undulations | |
| JP6728775B2 (en) | Pressure member, fixing device, and image forming apparatus | |
| JP2006084655A (en) | Fixing device and image forming apparatus | |
| JP2017125961A (en) | Fixing device and image forming apparatus | |
| US10969720B1 (en) | Heating device, fixing device, and image forming apparatus | |
| JPH10198202A (en) | Heating belt, heater and image forming device | |
| US11016427B1 (en) | Heating device, fixing device, and image forming apparatus | |
| JP2009288464A (en) | Image forming apparatus | |
| JP7298149B2 (en) | Fixing device and image forming device | |
| JP2009086105A (en) | Fixing device and image forming apparatus | |
| JP2007279251A (en) | Developer carrying body, developer carrying body manufacturing method, developing device, and image forming apparatus | |
| US11334010B2 (en) | Heating device, fixing device, and image forming apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191118 Address after: American Texas Applicant after: Hewlett-Packard Development Corporation, Limited Liability Partnership Address before: Gyeonggi Do Korea Suwon Applicant before: HP printer Korea Co., Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |