CN208005698U - A kind of safety chuck - Google Patents
A kind of safety chuck Download PDFInfo
- Publication number
- CN208005698U CN208005698U CN201820360709.6U CN201820360709U CN208005698U CN 208005698 U CN208005698 U CN 208005698U CN 201820360709 U CN201820360709 U CN 201820360709U CN 208005698 U CN208005698 U CN 208005698U
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- Prior art keywords
- shaft
- disk
- safety chuck
- clamping part
- close
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- 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.)
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- 238000007789 sealing Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model discloses a kind of safety chucks, including two spaced safety chuck units and air-expanding shaft, the movable part of two safety chuck units is oppositely arranged, and it is located at the two one end close to each other, the air-expanding shaft is arranged between two safety chuck units, and its both ends is removably connect with the movable part of two safety chuck units respectively, the movable part of two safety chuck units can synchronizing moving closer or far from the both ends of the air-expanding shaft are clamped respectively or unclamp at the both ends of the air-expanding shaft respectively.The utility model is oppositely arranged using two safety chuck units, and therebetween air-expanding shaft is fixed to clamp, simple in structure, easy to control.
Description
Technical field
The utility model, which belongs to, is related to collet field more particularly to a kind of safety chuck of normally closed property.
Background technology
Existing safety chuck type is various, principle is also different, but existing safety chuck opens or closes
All it is by transmission mechanism control, security performance is not good enough.I.e. the release of safety chuck when, clamping object must there is support element to be propped up
Support, otherwise will fall.
Utility model content
In order to solve the above-mentioned technical problem, it is high, easy to control that the purpose of this utility model is to provide a kind of security performances
Normally closed property safety chuck.
To achieve the goals above, the technical solution of the utility model is：A kind of safety chuck, including two interval settings
Safety chuck unit and air-expanding shaft, the movable part of two safety chuck units is oppositely arranged, and both is located at phase
Mutually close one end, the air-expanding shaft are arranged between two safety chuck units, and its both ends respectively removably with
The movable part connection of two safety chuck units, the movable parts of two safety chuck units can synchronizing moving it is close or remote
From the both ends of the air-expanding shaft are clamped respectively or unclamp at the both ends of the air-expanding shaft respectively.
The advantageous effect of above-mentioned technical proposal is：It is oppositely arranged using two safety chuck units, and will be therebetween
Air-expanding shaft fix to clamp, it is simple in structure, it is easy to control.
In above-mentioned technical proposal each safety chuck unit include mounting base, shaft, clamping part and disk, two
The shaft of the safety chuck unit is coaxially disposed, and one end is rotatablely connected with the corresponding mounting base respectively, the other end
It is opposite to extend close to；The clamping part is cylinder, and has a diameter larger than the diameter of the shaft, and is coaxially mounted to corresponding
The other end of the shaft, one end end of the clamping part far from shaft are coaxially recessed with mounting hole, and the one of the mounting hole
Side is equipped with the notch through its hole wall, and correspondence can be stretched into or be exited in the both ends of the air-expanding shaft by the corresponding indentation, there respectively
The mounting hole in；
The disk is coaxially set in outside the clamping part, and can be slid axially under external force along corresponding clamping part
Cover or open the notch；
The clamping part constitutes the movable part of the safety chuck unit.
The advantageous effect of above-mentioned technical proposal is：Slided using disk so that air-expanding shaft and clamping part fix locking or
It unclamps detachable so that control is more convenient.
Mounting base described in above-mentioned technical proposal is circular ring shape, and one end of the shaft passes through bearing and the corresponding peace
Dress seat rotates coaxially connection.
The advantageous effect of above-mentioned technical proposal is：Reduce the frictional resistance between shaft and mounting base so that safety clamp
Head operation is more flexible.
Mounting base described in above-mentioned technical proposal is equipped with the coaming plate of a circle circular ring shape close to one end end of disk, described to enclose
Plate is coaxially disposed with the disk, and the disk outer wall is contacted with the inner wall of the coaming plate, and can axially be slided along the inner wall of coaming plate
It is dynamic.
The advantageous effect of above-mentioned technical proposal is：Setting coaming plate makes the disk slide axially in coaming plate, one
Next beautiful, two safety are avoided that clamp hand.
Shaft described in above-mentioned technical proposal rotates coaxially the abutting plate for being equipped with a circular ring shape, and the abutting plate, which is located at, to be enclosed
In plate, and be fixed on one end end of the mounting base close to the disk, the abutting plate close to one end of disk with it is described
It is connected by multiple elastic components between disk, multiple elastic components evenly spaced are distributed in institute along the circumferential direction for abutting plate
State one end outer edge for abutting plate close to disk；
The disk is provided with in-flanges close to one end of the mounting base, the inside of the in-flanges with outside the shaft
Face seal contacts, and can slide axially along the shaft；
The clamping part is equipped with stomata close to one end end of the in-flanges, and the stomata inside the clamping part through prolonging
At to corresponding shaft, and through being extended down to one end end of the shaft far from corresponding clamping part, when the stomata is inflated, institute inside shaft
It states disk shaft described in gas pressure lower edge and is axially facing one end sliding of the separate corresponding clamping part of the shaft, and open institute
State notch, and elastic component described in synchro-draw；When the stomata stops ventilation, the elastic component restPoses, and pulls
The disk slides axially return along the shaft, and covers the notch.
The advantageous effect of above-mentioned technical proposal is：Setting elastic component applies active force to disk and makes it away from the installation
Seat is blocked the notch of clamping part so that clamping part is coated in it, to which air-expanding shaft is fixed therein portion, and utilizes aperture
The tension that gas makes it overcome elastic component is passed through into airtight chamber so that disk is slided close to the mounting base with by air-expanding shaft
It unclamps.
Mounting base described in above-mentioned technical proposal is vertically equipped with locating piece close to one end of the disk, is leaned on the disk
One end end of nearly mounting base is equipped with shrinkage pool corresponding with the locating piece, and the disk can slide axially along corresponding clamping part
The corresponding shrinkage pool is stretched into or is detached to the locating piece.
The advantageous effect of above-mentioned technical proposal is：In mounting base be arranged locating piece and the respective side of disk setting with
The matched shrinkage pool of locating piece is conducive to disk and is sliding the circumferential limit of close progress to mounting base.
Description of the drawings
Fig. 1 is the structure diagram of safety chuck closed state described in the utility model embodiment；
Fig. 2 is the structure diagram of safety chuck opening state described in the utility model embodiment；
Fig. 3 is the structure diagram of clamping part described in the utility model embodiment.
In figure：1 safety chuck unit, 11 mounting bases, 111 coaming plates, 112 locating pieces, 12 shafts, 13 clamping parts, 131 installations
Hole, 132 notches, 14 disks, 141 in-flanges, 142 shrinkage pools, 143 cushion pads, 15 abut plate, 151 elastic components, 2 air-expanding shafts, 3 rotations
Adapter.
Specific implementation mode
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining this practicality
It is novel, it is not intended to limit the scope of the utility model.
As depicted in figs. 1 and 2, a kind of safety chuck, including two spaced safety chucks are present embodiments provided
The movable part of unit 1 and air-expanding shaft 2, two safety chuck units 1 is oppositely arranged, and it is close to each other to be located at the two
One end, the air-expanding shaft 2 are arranged between two safety chuck units 1, and its both ends is removably pacified with two respectively
The movable part connection of full cartridge unit 1, the movable parts of two safety chuck units 1 can synchronizing moving closer or far from, with
The both ends of the air-expanding shaft 2 are clamped respectively or unclamp at the both ends of the air-expanding shaft 2 respectively.Using two safety chuck lists
Member is oppositely arranged, and therebetween air-expanding shaft is fixed to clamp, simple in structure, easy to control.
As shown in figure 3, each safety chuck unit 1 includes mounting base 11, shaft 12, clamping in above-described embodiment
The shaft 12 of portion 13 and disk 14, two safety chuck units 1 is coaxially disposed, and one end respectively with the corresponding peace
It fills seat 11 to be rotatablely connected, the other end is opposite to be extended close to；The clamping part 13 is cylinder, and has a diameter larger than the shaft 12
Diameter, and be coaxially mounted to the other end of the corresponding shaft 12, one end end of the clamping part 13 far from shaft 12
Coaxial to be recessed with mounting hole 131, the side of the mounting hole 131 is equipped with the notch 132 through its hole wall, the air-expanding shaft 2
Both ends can be stretched into or be exited in the corresponding mounting hole 131 by the corresponding notch 132 respectively；
The disk 14 is coaxially set in outside the clamping part 13, and can be under external force along 13 axis of corresponding clamping part
The notch 132 is covered or opened to sliding；
The clamping part 13 constitutes the movable part of the safety chuck unit 1.
The advantageous effect of above-described embodiment is：It is slided using disk so that air-expanding shaft fixes locking or pine with clamping part
It opens detachable so that control is more convenient.
Mounting base 11 described in above-described embodiment is circular ring shape, one end of the shaft 12 by bearing with it is corresponding described
Mounting base 11 rotates coaxially connection.Reduce the frictional resistance between shaft and mounting base so that safety chuck operation is more flexible.
Mounting base 11 described in above-described embodiment is equipped with the coaming plate 111 of a circle circular ring shape close to one end end of disk 14,
The coaming plate 111 and the disk are coaxially disposed, and 14 outer wall of the disk is contacted with the inner wall of the coaming plate 111, and can be along enclosing
The inner wall of plate 111 slides axially.Setting coaming plate makes the disk slide axially in coaming plate, and one is beautiful, two safety,
It is avoided that clamp hand.
Shaft 12 described in above-described embodiment rotates coaxially the abutting plate 15 for being equipped with a circular ring shape, the abutting plate 15
In in coaming plate 111, and it is fixed on one end end of the mounting base 11 close to the disk 14, the abutting plate 15 is close to disk
It is connected by multiple elastic components 151 between 14 one end and the disk 14, multiple elastic components 151 are along the abutting plate 15
Circumferential direction it is evenly spaced be distributed in it is described abutting plate 15 close to disk 14 one end outer edge；
The disk 14 is provided with in-flanges 141, the inside of the in-flanges 141 close to one end of the mounting base 11
It is in sealing contact with 12 outer surface of the shaft, and can slide axially along the shaft 12；
The clamping part 13 is equipped with stomata close to one end end of the in-flanges 141, and the stomata is through the clamping part
It is extended down to inside 13 at corresponding shaft 12, and through being extended down to one end end of the shaft 12 far from corresponding clamping part 13 inside shaft 12,
When the stomata inflation, the shaft 12 described in gas pressure lower edge of the disk 14 is axially facing the shaft 12 and is pressed from both sides far from corresponding
One end sliding in portion 13 is held, and opens the notch 132, and elastic component 151 described in synchro-draw；The stomata stops ventilation
When, the elastic component 151 restPoses, and the disk 14 is pulled to slide axially return along the shaft 12, and covers
The notch 132.Setting elastic component applies active force to disk and makes it away from the mounting base so that clamping part is coated in it, and
The notch of clamping part is blocked, to which air-expanding shaft is fixed therein portion, and gas is passed through using stomata, under the influence of air pressure
It pushes the tension that the disk overcomes elastic component to be slided axially towards far from clamping part one end, and forms one by shaft, clamping
Portion, disk and in-flanges be enclosed annular airtight chamber, though and annular closed chamber disk slide axially its length by
Gradual change is big, until the notch that will correspond to clamping part is opened.In order to improve between shaft and in-flanges and disk and clamping part
Seal, the in-flanges with corresponding annular groove can be set on the contact surface of shaft, and be arranged in annular groove close
Seal is similarly located at the contact position of disk and clamping part in the other side of airtight chamber, equally can be circumferentially disposed in clamping part
One annular groove, and sealing ring is being arranged inside.When stopping ventilating, the indoor air pressure of closed chamber reduces, and of elastic component
Power makes disk circumferentially be slided towards clamping part, and gradually the indoor gas of closed chamber is discharged, until in-flanges and clamping
The side wall of portion side close to each other contacts, and airtight chamber disappears, and the notch of clamping part is covered by disk at this time.
The mounting base 11 is vertically equipped with locating piece 112 close to one end of the disk 14, close to peace on the disk 14
One end end for filling seat 11 is equipped with shrinkage pool 142 corresponding with the locating piece 112, and the disk 14 can be along corresponding clamping part 13
It is axially slided to the locating piece 112 and stretches into or be detached from the corresponding shrinkage pool 142 wherein, airtight chamber is circumferentially slided in disk
Its chamber can gradually increase to locating piece and agree with shrinkage pool in the process, can also be contracted to in-flanges and be abutted with clamping part.
Preferably, the locating piece 112 is isosceles triangle, and its bottom edge is connect with the mounting base 11, and described fixed
Position part 112 is perpendicular to the mounting base 11, while the base vertical of the locating piece 112 is justified in its bottom edge midpoint and mounting base 11
The line of the heart, the shrinkage pool 142 are arranged on the disk 14 close to the side of mounting base 11, and its shape and the positioning
112 shape of part is agreed with, and for the disk 14 to when being slided close to the mounting base 11, the locating piece 112 extend into the shrinkage pool
The disk 14 is limited in 142, the disk 14 to when being slided far from the mounting base 11, the locating piece 112 with
The shrinkage pool 142 detaches.Locating piece is set as triangle, shrinkage pool is set as with to the triangle coordinated, and the tip of locating piece exists
It is the bottom edge against shrinkage pool when cooperation, one come more convenient when both to coordinate, and there may be circumferential errors centainly, but match
After the completion of conjunction, precision is very high.
Side of the disk 14 described in above-described embodiment far from the mounting base 11 is laid with one layer of cushion pad 143.It can be with
Disk is avoided to encounter clamping object clamping object folder is bad.
Wherein, the air pipe interface of wherein one end end of the shaft far from air-expanding shaft passes through rotary joint and feeder respectively
It is connected to and in communication with, wherein corresponding key and keyway can be also respectively set with the junction of clamping part in the both ends of air-expanding shaft so that two
It can be fixed between the clamping part and air-expanding shaft of a safety chuck unit and can be used for being driven, is i.e. the safety chuck unit of side
Shaft rotation, air-expanding shaft and another safety chuck unit synchronous rotary, therefore see in Fig. 1 and Fig. 2 are located at the safety clamp on right side
For the shaft of head unit compared with the length in left side, effect is restraining harness wheel in position outstanding can be driven with driving mechanism in shaft
Connection.
Wherein mounting base 11 can fix on the supporting plate, and when in use, what entire safety chuck generated axial movement is only
Disk, in no gas for seasonable, disk under the action of the elastic member far from corresponding mounting base, but under the action of in-flanges with
Clamping part abuts, that is, is not in that disk is detached from shaft, simultaneously because disk is connected between plate by elastic component with abutting, and turns
When axis rotates, the abutting plate also can synchronous rotary, therefore disk can also be followed and be rotated together, since disk is coated by clamping part,
Therefore in the notch of clamping part is also wrapped in, the both ends of air-expanding shaft are circumferentially limited at this time, can not be detached from safety chuck；When having
Gas is for seasonable, and aperture of the gas through shaft and clamping part is drained into airtight chamber at this time, and airtight chamber is similar to one
Piston, after being passed through gas, the resistance that gas extrusion in-flanges drives the disk to overcome elastic component is close to corresponding mounting base,
At this time in approach process synchronous rotary until locating piece and shrinkage pool to it is corresponding when disk stop rotating, while further to
Mounting base is agreed with close to up to locating piece with shrinkage pool completely, and the notch of clamping part is exposed so that air-expanding shaft can be suitable
It is disassembled in the slave clamping part of profit.
The characteristics of the utility model, is that safety chuck is closed type, safer, that is, when being passed through gas, safety clamp
Head just opening, remaining when be closing shape, when safety chuck is opened, air-expanding shaft can just be dismantled, and at runtime, being can not
It unloads.
Wherein, it is the plane being mutually parallel that the notch 132, which can be both sides side wall, and between its both sides side wall between
Gauge is equal from the diameter of mounting hole；The notch can also be fan annular, both sides side wall is plane, but its opening compared with
Big end is far from mounting hole, and the line of its small end both sides side wall ends that are open is by the axle center of clamping part or positioned at clamping part
Axle center deviates from the side of notch, so may make air-expanding shaft that can be taken in and out, while in order to ensure that it is good that air-expanding shaft can carry out
The both ends of good fixation, the air-expanding shaft are equipped with and the matched convex block of notch so that when air-expanding shaft is put on the holder portion, disk
When sliding close to each other, disk can be covered with by notch, and be limited to the corresponding end of air-expanding shaft.
When unclamping, the both ends that object is clamped still are clamped on two clamping parts safety chuck described in the utility model,
Only artificially taking down clamping object, it could be detached from safety chuck, and such security performance is high, will not fall and pound people.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of safety chuck, which is characterized in that including two spaced safety chuck units (1) and air-expanding shaft (2), two
The movable part of a safety chuck unit (1) is oppositely arranged, and is located at the two one end close to each other, the air-expanding shaft
(2) be arranged between two safety chuck units (1), and its both ends respectively removably with two safety chuck units
(1) movable part connection, the movable parts of two safety chuck units (1) can synchronizing moving closer or far from will be described
The both ends of air-expanding shaft (2) clamp or unclamp at the both ends of the air-expanding shaft (2) respectively respectively.
2. safety chuck according to claim 1, which is characterized in that each safety chuck unit (1) includes peace
Seat (11), shaft (12), clamping part (13) and disk (14) are filled, the shaft (12) of two safety chuck units (1) is coaxial
Setting, and one end is rotatablely connected with the corresponding mounting base (11) respectively, the other end is opposite to be extended close to；The clamping part
(13) it is cylinder, and has a diameter larger than the diameter of the shaft (12), and is coaxially mounted to the corresponding shaft (12)
The other end, one end end of the clamping part (13) far from shaft (12) are coaxially recessed with mounting hole (131), the mounting hole
(131) side is equipped with the notch (132) through its hole wall, and the both ends of the air-expanding shaft (2) can be respectively by corresponding described scarce
It stretches into or exits at mouth (132) in the corresponding mounting hole (131)；
The disk (14) is coaxially set in the clamping part (13) outside, and can be under external force along corresponding clamping part (13)
It slides axially and covers or open the notch (132)；
The clamping part (13) constitutes the movable part of the safety chuck unit (1).
3. safety chuck according to claim 2, which is characterized in that the mounting base (11) is circular ring shape, the shaft
(12) one end rotates coaxially connection by bearing with the corresponding mounting base (11).
4. safety chuck according to claim 3, which is characterized in that the mounting base (11) is close to one end of disk (14)
End is equipped with the coaming plate (111) of a circle circular ring shape, and the coaming plate (111) is coaxially disposed with the disk, and the disk (14) is outside
Wall is contacted with the inner wall of the coaming plate (111), and can be slid axially along the inner wall of coaming plate (111).
5. safety chuck according to claim 3, which is characterized in that the shaft (12), which rotates coaxially, is equipped with an annulus
The abutting plate (15) of shape, the abutting plate (15) are located in coaming plate (111), and are fixed on the mounting base (11) close to the circle
One end end of disk (14), the plate (15) that abuts pass through multiple bullets between one end and the disk (14) of disk (14)
Property part (151) connect, multiple elastic components (151) evenly spaced are distributed in described support along the circumferential direction of the abutting plate (15)
One end outer edge of the fishplate bar (15) close to disk (14)；
The disk (14) is provided with in-flanges (141) close to one end of the mounting base (11), the in-flanges (141) it is interior
Side and the shaft (12) outer surface are in sealing contact, and can slide axially along the shaft (12)；
The clamping part (13) is equipped with stomata close to one end end of the in-flanges (141), and the stomata is through the clamping part
(13) internal to be extended down at corresponding shaft (12), and through being extended down to shaft (12) inside shaft (12) far from corresponding clamping part (13)
One end end, when the stomata is inflated, the disk (14) shaft (12) described in gas pressure lower edge is axially facing described turn
One end sliding of the axis (12) far from corresponding clamping part (13), and the notch (132) is opened, and elastic component described in synchro-draw
(151)；When the stomata stops ventilation, the elastic component (151) restPoses, and pulls the disk (14) along described
Shaft (12) slides axially return, and covers the notch (132).
6. safety chuck according to claim 5, which is characterized in that the mounting base (11) is close to the disk (14)
One end is vertically equipped with locating piece (112), is equipped with and the positioning close to one end end of mounting base (11) on the disk (14)
The corresponding shrinkage pool (142) of part (112), the disk (14) can be axially slided to the locating piece along corresponding clamping part (13)
(112) stretch into or be detached from the corresponding shrinkage pool (142).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820360709.6U CN208005698U (en) | 2018-03-16 | 2018-03-16 | A kind of safety chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820360709.6U CN208005698U (en) | 2018-03-16 | 2018-03-16 | A kind of safety chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208005698U true CN208005698U (en) | 2018-10-26 |
Family
ID=63889024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820360709.6U Withdrawn - After Issue CN208005698U (en) | 2018-03-16 | 2018-03-16 | A kind of safety chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208005698U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326882A (en) * | 2018-03-16 | 2018-07-27 | 福州堂莹机械有限公司 | A kind of safety chuck |
| CN111776801A (en) * | 2020-08-05 | 2020-10-16 | 上海韩东机械科技有限公司 | A flat push type safety chuck |
-
2018
- 2018-03-16 CN CN201820360709.6U patent/CN208005698U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108326882A (en) * | 2018-03-16 | 2018-07-27 | 福州堂莹机械有限公司 | A kind of safety chuck |
| CN108326882B (en) * | 2018-03-16 | 2023-08-15 | 福州堂莹机械有限公司 | Safety chuck |
| CN111776801A (en) * | 2020-08-05 | 2020-10-16 | 上海韩东机械科技有限公司 | A flat push type safety chuck |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20230815 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181026 Effective date of abandoning: 20230815 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |