CN104155864A - Torque receiving assembly, photosensitive drum, and process cartridge - Google Patents
Torque receiving assembly, photosensitive drum, and process cartridge Download PDFInfo
- Publication number
- CN104155864A CN104155864A CN201410413347.9A CN201410413347A CN104155864A CN 104155864 A CN104155864 A CN 104155864A CN 201410413347 A CN201410413347 A CN 201410413347A CN 104155864 A CN104155864 A CN 104155864A
- Authority
- CN
- China
- Prior art keywords
- guidepost
- outer end
- end wall
- moment
- length direction
- 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
Landscapes
- Electrophotography Configuration And Component (AREA)
Abstract
The invention relates to a torque receiving assembly, a photosensitive drum taking the torque receiving assembly as a constituent part, and a process cartridge The torque receiving assembly comprises a body and a driven rod. The driven rod comprises a guiding column and an input head arranged on the length direction side of the guiding column. An embossment, which extends outwards along the length direction of the guiding column, is arranged on the outer end wall, whose back is opposite to the guiding column in the length direction of the guiding column, of the input head. The H value of the embossment satisfies a relationship formula as follows: h<H<=h+r; wherein H represents the distance between the outer end wall and the end point that extends outwards; h represents the distance from the outer end wall to the central line of a cylindrical output gear, when a driving rod and the driven rod are engaged to transfer torques; and r represents the radius of the cylindrical output gear. The torque receiving assembly has he advantages of stable torque transmission and smooth disengagement.
Description
Technical field
The present invention relates to for transmitting the moment of torsion receiving unit of revolving force and usining photosensitive drums and the handle box of this moment of torsion receiving unit as its component parts.
Background technology
Handle box, as the imaging process of the laser printer of basic comprising core, is that photosensitive drum surface is charged equably by charging roller.Laser scanner contains image information and through the laser beam of ovennodulation to photosensitive drums external cylindrical surface transmitting, discrepant static charge distribution plan is deposited in cylindrical surface formation distribution in photosensitive drums after laser beam irradiation, that is the electrostatic latent image corresponding with image to be printed.Afterwards, the developer of carbon dust that autography roller transmits and so on is regulating under the state of bed thickness through powder outlet cutter, then is adsorbed on the surface of photosensitive drums, and after aforementioned electrostatic latent image is covered, converting to can macroscopic visual image.Along with the rotation of photosensitive drums, the visual image being formed at photosensitive drum surface by carbon dust replaces to the position at transfer roll place.Effect through the entrained transfer voltage of transfer roll, the carbon dust of visual image form is transferred on the surface of the recording mediums such as paper, with by warm-up mill and backer roll, the carbon dust of the visual image form on recording medium being heated after pressurization, carbon dust is penetrated in the fibrage of recording medium, and the visual image that carbon dust is formed for good and all solidifies on recording medium.Visual image in photosensitive drums is after being transferred roller transfer, and residual carbon dust attached to it is struck off to useless powder collecting bin by the powder scraping blade that gives up, and photosensitive drum surface returns to without the dustless stand-by state of electricity after the corresponding electric equipment that disappears is eliminated static.So just completed a basic imaging workflow.The result of this flow process iterative cycles running, just can obtain the needed image of printing person.
Referring to Fig. 1, Fig. 2, the rotary driving force that laser printer produces, moment of torsion, passes to photosensitive drums 101 via driving stem 200, impels handle box 100 to enter duty.American documentation literature US2008/0152388A1 discloses a kind of handle box, has a sphere type universal joint in the moment of torsion receiving unit of its photosensitive drums end.This sphere type universal joint easily produces less desirable separation, and particularly, in transportation, this phenomenon is more prone to, thereby causes the transfer function of sphere type universal joint to lose or job insecurity.
As the improvement to US2008/0152388A1 public technology scheme, the applicant open day be on October 30th, 2013, the innovation and creation that name is called torque transmission, processing box for laser printer are disclosed in the Chinese invention patent application that publication number is CN103376696A.It discloses a kind of moment of torsion receiving unit as shown in Figure 3 from technical spirit, it comprises body 1, driven bar 2, driven the input head 22 that bar 2 comprises guidepost 21 and is positioned at described guidepost 21 length direction one sides, input head 22 is greater than guidepost 21 along the horizontal size of guidepost 21, in outer end wall 23 at input head 22 along guidepost 21 length directions back to guidepost 21, position in outer end wall 23 along guidepost 21 lateral runout outer end wall 23 centers, be provided with the projection 24 extending outwardly along guidepost 21 length directions, on body 1, be provided with container cavity 11, at container cavity 11, be parallel on the axial inwall of body 1 and be provided with towards the input arm 12 of the radial center extension of body 1, at guidepost 21, be parallel on the outer wall of self length direction and be provided with the output arm 25 laterally outwardly extending along guidepost 21, guidepost 21 is arranged in container cavity 11 and can moves along the axial reciprocating of body 1, making progress in the week of container cavity 11, the position of output arm 25 in input arm 12 places forms against contact with input arm 12, moment of torsion receiving unit is also included in the axially upper position-limit mechanism that limits the moving area that is driven bar of body.
For US2008/0152388A1, be used for transmitting the problem that the sphere type universal joint of revolving force is easily deviate from from gear, the moment of torsion receiving unit that CN103376696A provides is provided with input arm on its body, driven between bar and body body shaft to or longitudinally on keep the matching relationship that can mutually move back and forth, and position-limit mechanism defines and driven the moving area that bar makes progress in body shaft, the component parts end cap of while position-limit mechanism makes to be driven bar integral body after the position of output arm is defined in container cavity and is also fixed on body.This make, input knee-joint on body is driven the rotary driving force that the output arm on bar transmits, make body form rotation, and then drive other service parts to enter rotary work state, simultaneously, position-limit mechanism defines and is driven the moving area that bar makes progress in body shaft, the building block guidepost that is driven bar is limited in the container cavity of body interior, avoided being driven the risk that bar comes off from body, thereby guaranteed that whole moment of torsion receiving unit has good reliability and stability when transmitting rotary driving force.Adopt the photosensitive drums of this moment of torsion receiving unit and the above-mentioned characteristic that handle box has been adopted as heir moment of torsion receiving unit, there is while installation machine-falling steady, the advantage of dependable performance, working stability during transmission revolving force.
Yet, when the moment of torsion receiving unit of CN103376696A exists handle box to take out from laser printer in actual use, the situation that handle box can not be removed swimmingly, there is " card " phenomenon, find after deliberation: though the driving stem 200 on laser printer with driven after bar 2 engagements transfer of torque reliably, and working stability, but when running stops, due to the position stopping, the corner with respect to handle box removing direction is random, therefore, will there is the dead-centre position substantially vertical with handle box removing direction, position of engagement, when in this position, take out the direction and the stressed opposite direction that drives engagement of handle box, and as Fig. 3, projection 24 is longer to the distance H on the summit that extends outwardly along guidepost 21 length directions from outer end wall 23, be greater than the diameter of the column output gear 201 on driving stem 200, therefore produce " card " even stuck phenomenon.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of moment of torsion receiving unit having improved;
Another object of the present invention is to provide a kind of photosensitive drums that adopts this moment of torsion receiving unit having improved to build;
A further object of the present invention is to provide a kind of handle box that adopts the moment of torsion receiving unit that improved to build.
In order to realize above-mentioned fundamental purpose, the invention provides a kind of moment of torsion receiving unit, it is for receiving the moment of torsion of laser printer driving stem, and the end of driving stem has the pair of columnar output gear along the vertical extension of rod axis, and moment of torsion receiving unit comprises body and driven bar.Driven the input head that bar comprises guidepost and is positioned at guidepost length direction one side, input head is greater than guidepost along the horizontal size of guidepost, in outer end wall at input head along guidepost length direction back to guidepost, position in outer end wall along guidepost lateral runout outer end wall center, is provided with the projection extending outwardly along guidepost length direction.On body, be provided with container cavity, container cavity be parallel to body shaft to inwall on be provided with the input arm extending towards the radial center of body, at guidepost, be parallel on the outer wall of self length direction and be provided with the output arm laterally outwardly extending along guidepost.Guidepost is arranged in container cavity and can moves along the axial reciprocating of body, in the week of container cavity, makes progress, and output arm forms against contact with described input arm in the position at input arm place.The H value of projection meets following relational expression
H < H≤h+r; Wherein
H for projection from outer end wall to the distance between the end points extending outwardly;
H is driving stem when being driven bar engagement transmitting torque, the distance between the center line from outer end wall to column output gear;
R is the radius of column output gear.
Further scheme is h=r.
Further scheme is that projection has a concave surface perpendicular to the column on self length direction, and the contact region when with column output gear transmitting torque is positioned at concave surface.
For realizing another object of the present invention, photosensitive drums provided by the invention comprises drum barrel and moment of torsion receiving unit, moment of torsion receiving unit is for receiving the moment of torsion of laser printer driving stem, the end of driving stem has the pair of columnar output gear along the vertical extension of rod axis, and moment of torsion receiving unit comprises body and driven bar.Driven the input head that bar comprises guidepost and is positioned at guidepost length direction one side, input head is greater than guidepost along the horizontal size of guidepost, in outer end wall at input head along guidepost length direction back to guidepost, position in outer end wall along guidepost lateral runout outer end wall center, is provided with the projection extending outwardly along guidepost length direction.On body, be provided with container cavity, container cavity be parallel to body shaft to inwall on be provided with the input arm extending towards the radial center of body, at guidepost, be parallel on the outer wall of self length direction and be provided with the output arm laterally outwardly extending along guidepost.Guidepost is arranged in container cavity and can moves along the axial reciprocating of body, in the week of container cavity, makes progress, and output arm forms against contact with input arm in the position at input arm place.The H value of projection meets following relational expression
H < H≤h+r; Wherein
H for projection from outer end wall to the distance between the end points extending outwardly;
H is driving stem when being driven bar engagement transmitting torque, the distance between the center line from outer end wall to column output gear;
R is the radius of column output gear.
Further scheme is h=r.
Further scheme is that projection has a concave surface perpendicular to the column on self length direction, and the contact region when with column output gear transmitting torque is positioned at described concave surface.
For realizing a further object of the present invention, handle box provided by the invention comprises photosensitive drums, photosensitive drums comprises drum barrel and moment of torsion receiving unit, moment of torsion receiving unit is for receiving the moment of torsion of laser printer driving stem, the end of driving stem has the pair of columnar output gear along the vertical extension of rod axis, described moment of torsion receiving unit body and driven bar.Driven the input head that bar comprises guidepost and is positioned at guidepost length direction one side, input head is greater than guidepost along the horizontal size of guidepost, in outer end wall at input head along guidepost length direction back to guidepost, position in outer end wall along guidepost lateral runout outer end wall center, is provided with the projection extending outwardly along guidepost length direction.On body, be provided with container cavity, container cavity be parallel to body shaft to inwall on be provided with the input arm extending towards the radial center of body, at guidepost, be parallel on the outer wall of self length direction and be provided with the output arm laterally outwardly extending along guidepost.Guidepost is arranged in container cavity and can moves along the axial reciprocating of body, in the week of container cavity, makes progress, and output arm forms against contact with input arm in the position at input arm place.The H value of projection meets following relational expression
H < H≤h+r; Wherein
H for projection from outer end wall to the distance between the end points extending outwardly;
H is driving stem when being driven bar engagement transmitting torque, the distance between the center line from outer end wall to column output gear;
R is the radius of column output gear.
Further scheme is h=r.
Further scheme is that projection has a concave surface perpendicular to the column on self length direction, and the contact region when with column output gear transmitting torque is positioned at concave surface.
From above scheme, the present invention to protruding H value for having carried out accurate design with the closely-related h value of driving stem and r value, make driving stem and to be driven the engagement of bar not only reliable and stable when transmitting torque, can also when departing from engagement, effectively avoid by " card " that dead-centre position produces or stuck.
Accompanying drawing explanation
In following institute drawings attached, for describe the problem clear for the purpose of, only closely related with the present invention, but do not belong to member of the present invention--driving stem is all shown in broken lines, with illustrate its structure and with the present invention's matching relationship at work.
Fig. 1 is the structural representation of existing handle box;
Fig. 2 is the structural representation of existing photosensitive drums;
Fig. 3 is the structural drawing of existing moment of torsion receiving unit;
Fig. 4 is the structural drawing that is driven bar in moment of torsion receiving unit of the present invention;
Fig. 5 is driven bar and driving stem the first engagement figure in moment of torsion receiving unit of the present invention;
Fig. 6 is driven bar and driving stem the second engagement figure in moment of torsion receiving unit of the present invention;
Fig. 7 is driven bar and H, h, the r value relation of driving stem under the first engagement and the concave surface schematic diagram in projection in moment of torsion receiving unit of the present invention;
Fig. 8 is driven bar and the schematic diagram of driving stem before engagement in moment of torsion receiving unit of the present invention;
Fig. 9 is the schematic diagram after bar and driving stem engagement that driven in moment of torsion receiving unit of the present invention;
Figure 10 is that the present invention is driven bar along the view of column output gear center line direction;
Figure 11 is the A partial enlarged drawing of Figure 10.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
According to moment of torsion receiving unit of the present invention, and by the photosensitive drums of its structure and the main structure of handle box, be same as the prior art, those skilled in the art can consult the correlation technique data of near field prior art and in conjunction with the introduction of instructions background technology part to know the essential structure situation of moment of torsion receiving unit of the present invention, photosensitive drums and handle box.Given this, in the description of moment of torsion receiving unit of the present invention, photosensitive drums and handle box embodiment, by relating to regard to moment of torsion receiving unit of the present invention, photosensitive drums and handle box when departing from engagement, can effectively prevent that " card " or stuck design feature from carrying out emphasis description, that is, only for the architecture advances of being driven bar in handle box of the present invention or photosensitive drums or moment of torsion receiving unit, be partly elaborated.
Referring to Fig. 4, main improvement of the present invention is the H value design of projection 24, H value be the outer end wall 23 of input head to projection 24 along the distance between the axial outward extending summit 26 of guidepost 21, no matter be prior art or the present invention, outer end wall 23 is all designed to curved surface form conventionally, the outer end wall starting point of measuring H value under this situation is the summit of the outer end wall 23 between two projections 24, i.e. the low order end of outer end wall 23 in Fig. 4.
Referring to Fig. 5, when the engagement of being driven bar 2 and driving stem 200 is during in the first state, be that the left end of driving stem 200 or the part in other column output gear 201 left sides have been pushed up the input head that is driven bar 2, and the column output gear 201 of driving stem 200 does not touch outer end wall 23, have between the two under the situation in a gap, h value be outer end wall 23 to the distance between the center line of column output gear 201, under this situation, h is the radius r that is greater than column output gear 201.
Referring to Fig. 6, when being driven bar 2 and driving stem 200 engagements in the second state, be that the left end of driving stem 200 or the part in other column output gear 201 left sides do not touch the input head that is driven bar 2, and the column output gear 201 of driving stem 200 touches outer end wall 23, between the two under gapless situation, h=r.
Referring to Fig. 7, Fig. 7 shows in the embodiment of the present invention and is driven bar 2 and the ingear the first state of driving stem 200, and wherein H value is less than h+r value, and, in the process of transmitting torque, projection 24 and the contact region of column output gear 201 are to be positioned within the concave surface 241 of projection 24.The setting of concave surface 241, can guarantee the stable of transmitting torque, prevents that column output gear 201 from departing from inadequately in the process of transmitting torque and the engagement of projection 24.And H value is less than h+r value, can in needs, make column output gear 201 depart from swimmingly and projection 24 engagement.
Referring to Fig. 8, in Fig. 8, can more clearly find out the concave surface 241 arranging on protruding stress surface.
Referring to Fig. 9, in Fig. 9, can more clearly see when driving stem 200 is driven bar 2 and show arrow aspect when rotation by Fig. 9, go out the anticreep effect of concave surface 241 in transmitting torque process, that is, can make driving stem 200 and be driven while having axial force between bar 2, to keep stable delivery moment of torsion.
Referring to Figure 10, Figure 11, when driving stem 200 is when being driven bar 2 engagement, from column output gear 201 axially, the projection of concave surface 241 is curves that a curvature is less than column output gear 201 curvature, both curvature is more approaching, during transmitting torque, keep stable better, but depart from engagement in needs, more have some setbacks.
See table; for existing a few money laser printers; record after the value of column output gear radius r on its driving stem; the bar that driven for the treatment of in accordance with the present invention box has designed a series of H value; these handle boxes are through installation printing test; property indices evenly meets the requirements, and in print procedure, has all done more than 30 times shutdown and taken out handle box action, and taking-up process all occurs without Caton phenomenon.
| R value (millimeter) | H value (millimeter) | H value (millimeter) |
| 1.0 | 1.5 | 2.0 |
| 1.0 | 1.0 | 2.0 |
| 1.3 | 1.5 | 2.7 |
| 1.3 | 1.3 | 2.0 |
| 1.0 | 1.4 | 2.1 |
| 1.0 | 1.0 | 1.5 |
Claims (9)
1. moment of torsion receiving unit, for receiving the moment of torsion of laser printer driving stem, the end of described driving stem has the pair of columnar output gear along the vertical extension of rod axis, and described moment of torsion receiving unit comprises body and is driven bar;
The described bar that driven comprises guidepost and the input head that is positioned at described guidepost length direction one side, described input head is greater than described guidepost along the horizontal size of described guidepost, described input head along described guidepost length direction in the outer end wall of described guidepost, position in described outer end wall along outer end wall center described in described guidepost lateral runout, is provided with the projection extending outwardly along described guidepost length direction;
On described body, be provided with container cavity, described container cavity be parallel to described body shaft to inwall on be provided with the input arm extending towards the radial center of described body, at described guidepost, be parallel on the outer wall of self length direction and be provided with the output arm laterally outwardly extending along described guidepost;
Described guidepost is arranged in described container cavity and can moves along the axial reciprocating of described body, in the week of described container cavity, makes progress, and described output arm forms against contact with described input arm in the position at described input arm place;
It is characterized in that:
The H value of described projection meets following relational expression
H < H≤h+r; Wherein
H be described projection from described outer end wall to the distance between the end points extending outwardly;
H be described driving stem with described in while being driven bar engagement transmitting torque, from described outer end wall to the distance between the center line of described column output gear;
R is the radius of described column output gear.
2. moment of torsion receiving unit according to claim 1, is characterized in that:
h=r。
3. according to moment of torsion receiving unit described in claim 1 or 2, it is characterized in that:
Described projection has a concave surface perpendicular to the column on self length direction, and the contact region when with described column output gear transmitting torque is positioned at described concave surface.
4. photosensitive drums, comprise drum barrel and moment of torsion receiving unit, described moment of torsion receiving unit is for receiving the moment of torsion of laser printer driving stem, and the end of described driving stem has the pair of columnar output gear along the vertical extension of rod axis, and described moment of torsion receiving unit comprises body and driven bar;
The described bar that driven comprises guidepost and the input head that is positioned at described guidepost length direction one side, described input head is greater than described guidepost along the horizontal size of described guidepost, described input head along described guidepost length direction in the outer end wall of described guidepost, position in described outer end wall along outer end wall center described in described guidepost lateral runout, is provided with the projection extending outwardly along described guidepost length direction;
On described body, be provided with container cavity, described container cavity be parallel to described body shaft to inwall on be provided with the input arm extending towards the radial center of described body, at described guidepost, be parallel on the outer wall of self length direction and be provided with the output arm laterally outwardly extending along described guidepost;
Described guidepost is arranged in described container cavity and can moves along the axial reciprocating of described body, in the week of described container cavity, makes progress, and described output arm forms against contact with described input arm in the position at described input arm place;
It is characterized in that:
The H value of described projection meets following relational expression
H < H≤h+r; Wherein
H be described projection from described outer end wall to the distance between the end points extending outwardly;
H be described driving stem with described in while being driven bar engagement transmitting torque, from described outer end wall to the distance between the center line of described column output gear;
R is the radius of described column output gear.
5. photosensitive drums according to claim 4, is characterized in that:
h=r。
6. according to moment of torsion receiving unit described in claim 4 or 5, it is characterized in that:
Described projection has a concave surface perpendicular to the column on self length direction, and the contact region when with described column output gear transmitting torque is positioned at described concave surface.
7. handle box, comprise photosensitive drums, described photosensitive drums comprises drum barrel and moment of torsion receiving unit, described moment of torsion receiving unit is for receiving the moment of torsion of laser printer driving stem, the end of described driving stem has the pair of columnar output gear along the vertical extension of rod axis, and described moment of torsion receiving unit comprises body and driven bar;
The described bar that driven comprises guidepost and the input head that is positioned at described guidepost length direction one side, described input head is greater than described guidepost along the horizontal size of described guidepost, described input head along described guidepost length direction in the outer end wall of described guidepost, position in described outer end wall along outer end wall center described in described guidepost lateral runout, is provided with the projection extending outwardly along described guidepost length direction;
On described body, be provided with container cavity, described container cavity be parallel to described body shaft to inwall on be provided with the input arm extending towards the radial center of described body, at described guidepost, be parallel on the outer wall of self length direction and be provided with the output arm laterally outwardly extending along described guidepost;
Described guidepost is arranged in described container cavity and can moves along the axial reciprocating of described body, in the week of described container cavity, makes progress, and described output arm forms against contact with described input arm in the position at described input arm place;
It is characterized in that:
The H value of described projection meets following relational expression
H < H≤h+r; Wherein
H be described projection from described outer end wall to the distance between the end points extending outwardly;
H be described driving stem with described in while being driven bar engagement transmitting torque, from described outer end wall to the distance between the center line of described column output gear;
R is the radius of described column output gear.
8. handle box according to claim 7, is characterized in that:
h=r。
9. according to handle box described in claim 7 or 8, it is characterized in that:
Described projection has a concave surface perpendicular to the column on self length direction, and the contact region when with described column output gear transmitting torque is positioned at described concave surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413347.9A CN104155864B (en) | 2014-08-20 | 2014-08-20 | Moment of torsion receiving unit, photosensitive drums and handle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413347.9A CN104155864B (en) | 2014-08-20 | 2014-08-20 | Moment of torsion receiving unit, photosensitive drums and handle box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104155864A true CN104155864A (en) | 2014-11-19 |
| CN104155864B CN104155864B (en) | 2016-08-17 |
Family
ID=51881395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410413347.9A Active CN104155864B (en) | 2014-08-20 | 2014-08-20 | Moment of torsion receiving unit, photosensitive drums and handle box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104155864B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991853A (en) * | 2017-12-28 | 2018-05-04 | 珠海天威飞马打印耗材有限公司 | Rotating driving force receiver, driving force transfer unit and handle box |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101907858B (en) * | 2009-06-16 | 2012-01-04 | 珠海天威飞马打印耗材有限公司 | Photosensitive drum driving assembly |
| CN204116809U (en) * | 2014-08-20 | 2015-01-21 | 珠海天威飞马打印耗材有限公司 | Moment of torsion receiving unit, photosensitive drums and handle box |
-
2014
- 2014-08-20 CN CN201410413347.9A patent/CN104155864B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991853A (en) * | 2017-12-28 | 2018-05-04 | 珠海天威飞马打印耗材有限公司 | Rotating driving force receiver, driving force transfer unit and handle box |
| CN107991853B (en) * | 2017-12-28 | 2024-04-26 | 珠海天威飞马打印耗材有限公司 | Rotary driving force receiving head, driving force transmission assembly and processing box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104155864B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8731435B2 (en) | Process cartridge for an imaging device | |
| CN103376696A (en) | Torque transmission device, and processing box for laser printer | |
| CN204347444U (en) | Delevoping cartridge | |
| CN104597733B (en) | Rotate force transfer unit, photosensitive drums and handle box | |
| CN103885313A (en) | Processing box | |
| CN207096695U (en) | Handle box | |
| CN108614404A (en) | Handle box | |
| CN104614959A (en) | Rotary force transfer assembly, photosensitive drum and treatment box | |
| CN203786469U (en) | Processing box | |
| EP2175326A2 (en) | Image forming apparatus comprising a photosensitive member cleaning system | |
| CN204116809U (en) | Moment of torsion receiving unit, photosensitive drums and handle box | |
| CN104155864A (en) | Torque receiving assembly, photosensitive drum, and process cartridge | |
| CN107272387A (en) | The renovation process and handle box of a kind of handle box | |
| CN208477303U (en) | Handle box | |
| CN104155863A (en) | Torque receiving assembly, photosensitive drum, and process cartridge | |
| CN103399478B (en) | Processing box for laser printer | |
| CN208477304U (en) | Handle box | |
| CN101320230A (en) | Light sensitive drum and processing box | |
| CN203210855U (en) | Fitting roller for printer | |
| CN203299516U (en) | Photosensitive drum for laser printer | |
| CN102141769A (en) | Processing box for laser printer | |
| CN208580298U (en) | Handle box | |
| CN102183882A (en) | Processing box for laser printer | |
| CN203038004U (en) | Processing box for laser printer | |
| CN105607451A (en) | Process cartridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |