CN210326720U - Novel wire clamping device with small pull ring loosening mechanism - Google Patents
Novel wire clamping device with small pull ring loosening mechanism Download PDFInfo
- Publication number
- CN210326720U CN210326720U CN201921054979.5U CN201921054979U CN210326720U CN 210326720 U CN210326720 U CN 210326720U CN 201921054979 U CN201921054979 U CN 201921054979U CN 210326720 U CN210326720 U CN 210326720U
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- hinged
- jaw
- pressing plate
- pull ring
- telescopic rod
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Abstract
The utility model discloses a novel wire clamping device with a small pull ring releasing mechanism, wherein a straight line groove is arranged at the right end of a bottom plate, a bolt is embedded in the straight line groove, the bolt can slide in the straight line groove, and the bolt is hinged with a wire tightening pull ring and a pull plate on the bolt; the upper end of the pulling plate is hinged with the upper end of the pressing plate, the lower end of the pressing plate is hinged with the top of the movable jaw through a pin shaft, and the tail of the movable jaw is hinged on the bottom plate; the fixed jaw is fixedly arranged at the left lower part of the bottom plate through a screw and is positioned below the movable jaw, and the fixed jaw and the movable jaw form a jaw; the L-shaped rod is fixedly arranged on the outer side surface of the pressing plate and consists of a connecting rod and a telescopic rod, the lower end of the connecting rod is fixed on the outer side surface of the pressing plate through a fixing clamp, the upper end of the connecting rod is hinged to one end of the connecting rod, and the other end of the telescopic rod is provided with a pull ring. The utility model discloses a pull up and carry and loosen the pull ring pole and just can loosen the fixing-line device, make high altitude operation become simple, safe, laborsaving easy going, improve work efficiency.
Description
Technical Field
The utility model belongs to the technical field of the electric power construction, concretely relates to take novel fixing-line device of little pull ring release mechanism.
Background
When the electric power line maintainer is carrying out stringing and stringing operations, in order to increase the tightening redundancy of the wire, the wire is tightened up once and the sag is adjusted by the common wire clamping device. When the maintainer is in iron tower or framework operation, for laborsaving, the convenient wire tightening of once and adjustment sag, need release wire fixing device as far as possible to the wire offside. When the work is finished, because of the structural design defects of the traditional wire clamping device, the wire clamping device is relatively stressed when being loosened and recovered, and a maintainer has to operate with two hands to loosen the wire clamping device, so that the high-altitude operation is extremely not facilitated; and if the wire grip is pushed out to be apart from the overlength during operation, human arm can't reach the wire grip, can only adopt equipment such as rope or colored pole to loosen the turn-buckle slowly and take off, waste time and energy very much.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a take little pull ring to loosen the novel fixing-line device of mechanism to current fixing-line device have when loosening defect such as hard, waste time, this fixing-line device just can easily untie the fixing-line device through carrying the pull ring upwards gently with the hand in the use, makes high altitude operation become simple, safety, laborsaving easy going, improves work efficiency greatly.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a novel wire clamping device with a small pull ring loosening mechanism mainly comprises a wire tightening pull ring, a movable jaw, a pressing plate, a fixed jaw, a bottom plate and a pulling plate; a straight line groove is formed in the right end of the bottom plate, a bolt is embedded in the straight line groove, the bolt can slide in the straight line groove, and the bolt is hinged with the stringing pull ring and the pull plate simultaneously; the upper end of the pulling plate is hinged with the upper end of the pressing plate, the lower end of the pressing plate is hinged with the top of the movable jaw through a pin shaft, and the tail of the movable jaw is hinged on the bottom plate; the fixed jaw is fixedly arranged at the left lower part of the bottom plate through a screw and is positioned below the movable jaw, and the fixed jaw and the movable jaw form a jaw; an L-shaped rod is fixedly arranged on the outer side surface of the pressing plate, the L-shaped rod consists of a connecting rod and a telescopic rod, the lower end of the connecting rod is fixed on the outer side surface of the pressing plate through a fixing clamp, the upper end of the connecting rod is hinged with one end of the connecting rod, and the other end of the telescopic rod is provided with a pull ring; a screw hole II is arranged on the hinge column of the connecting rod, two sides of the hinge column outside the screw hole II are respectively provided with a convex block, a hinge seat of the telescopic rod is provided with a screw hole I matched with the screw hole II in size, two inner sides of the hinge seat are respectively provided with a groove, and the groove is positioned outside the screw hole I and matched with the convex block in size; when the connecting rod is hinged with the telescopic rod, the convex block is clamped into the groove, so that the connecting rod and the telescopic rod are opened at a certain angle; the telescopic rod is provided with a button, and the telescopic rod can be contracted or extended by pressing the button.
When this fixing-line device is at the during operation, move the vice mouth and fix a jaw card and press from both sides tight wire and draw each section pole of telescopic link through pressing the button on the telescopic link and make the telescopic link be in the extension state, when the wire is loosened to needs, the pull ring that is connected with the telescopic link is drawn to the one-hand lift-up, thereby the telescopic link is blocked by the connecting rod and can not rebound again when making telescopic link rebound move certain angle until the recess of articulated seat blocks the lug on the hinge post bottom, upwards promote the pull ring again this moment hard, thereby the telescopic link drives connecting rod and clamp plate upward movement makes the vice mouth upward movement that moves that links to each other with the clamp plate, move vice mouth and fix a jaw and. When not using this fixing-line device, pull the pull ring downwards, the telescopic link can rotate downwards along the recess in articulated department until the lug blocks recess top this moment the telescopic link can not move downwards again, presses the button on the telescopic link again and can contract the telescopic link, reduces the space that the telescopic link occupy.
As a further explanation of the utility model, a lock catch assembly is arranged outside the movable jaw and the fixed jaw, and the lock catch assembly mainly comprises a retaining ring, a pressing plate and a lock catch; the lock catch is fixed on the movable jaw, one end of the retaining ring can be clamped into the lock catch, the other end of the retaining ring is hinged with one end of the pressing plate, and the other end of the pressing plate is hinged with the fixed jaw.
When the wire clamping device is used for clamping a wire, the buckle ring is clamped into the lock buckle, then the pressing plate is rotated downwards, so that the buckle ring is locked and cannot move, the movable jaw and the fixed jaw are fixed, the buckle ring can cover the jaw to block the wire, and the wire can be prevented from falling off when the jaw does not clamp the wire. The retaining ring is used when a wire clamping device can be obtained by a human arm, and when the wire clamping device needs to be untied, the retaining ring can be loosened by pulling the pressing plate upwards to enable the retaining ring to be separated from the lock catch of the driven jaw. The snap assembly is of conventional construction, such as a snap for sealing the can.
As a further explanation of the utility model, the jaw parts of the movable jaw and the fixed jaw are respectively provided with a cushion layer, and the cushion layer is one of copper, aluminum and rubber. Different cushion layers are arranged according to different lead materials, and the cushion layers are made of copper, aluminum, rubber and the like, so that the leads are protected.
The utility model discloses the beneficial effect who has as follows:
1. the contact area between the jaw of the wire clamp and the wire is large, and the wire is not easy to be damaged.
2. One side of the wire clamping pliers is of a floating type, and the pliers jaw can be automatically adjusted during working, so that the pliers jaw is tightly attached to a wire and is uniformly stressed.
3. The surface of the jaw of the wire clamp can be adhered with cushion layers such as copper, aluminum, rubber and the like so as to meet the requirements of wires made of different materials.
4. The novel wire clamping device appearance structure with the small pull ring loosening mechanism is convenient for manual operation, the novel wire clamping device with the small pull ring loosening mechanism corrects the stress structure defect of a traditional wire clamping device, the wire clamping device can be loosened by slightly pulling up and loosening the pull ring rod by a single hand, high-altitude operation is enabled to be simple, safe, labor-saving and easy to operate, the working efficiency is improved, and the novel wire clamping device has great economic benefits and a very high popularization and application prospect.
Drawings
Fig. 1 is a schematic structural view of a wire clamping device of the non-locking assembly of the present invention;
fig. 2 is a schematic structural view of the wire clamping device with the locking assembly of the present invention;
fig. 3 is a schematic structural view of the wire clamping device after the locking assembly of the present invention is released;
fig. 4 is a schematic view of the internal structure of the hinge of the connecting rod and the telescopic rod of the present invention;
fig. 5 is a schematic side view of the latch assembly of the present invention.
Wherein, each icon and the corresponding part name are as follows:
1-stringing pull ring, 2-moving jaw, 3-pull ring, 4-pressing plate, 5-screw, 6-telescopic rod, 61-screw hole I, 62-groove, 63-hinged seat, 7-button, 8-connecting rod, 81-screw hole II, 82-lug, 83-hinged column, 9-fixing clamp, 10-retaining ring, 11-pressing plate, 12-fixed jaw, 13-lock catch, 14-linear groove, 15-bottom plate, 16-pull plate and 17-cushion layer.
Detailed Description
The following non-limiting detailed description of the present invention is provided in connection with the preferred embodiments and accompanying drawings.
Example 1:
a novel wire clamping device with a small pull ring loosening mechanism mainly comprises a wire tightening pull ring 1, a movable jaw 2, a pressing plate 4, a fixed jaw 12, a bottom plate 15 and a pulling plate 16; a straight line groove 14 is formed in the right end of the bottom plate 15, a bolt is embedded in the straight line groove 14, the bolt can slide in the straight line groove 14, and the bolt is hinged with the stringing pull ring 1 and the pull plate 16; the upper end of the pulling plate 16 is hinged with the upper end of the pressing plate 4, the lower end of the pressing plate 4 is hinged with the top of the movable jaw 2 through a pin shaft, and the tail part of the movable jaw 2 is hinged on the bottom plate 15; the fixed jaw 12 is fixedly arranged at the left lower part of the bottom plate 15 through a screw and is positioned below the movable jaw 2, and the fixed jaw 12 and the movable jaw 2 form a jaw; an L-shaped rod is fixedly arranged on the outer side surface of the pressing plate 4, the L-shaped rod consists of a connecting rod 8 and a telescopic rod 6, the lower end of the connecting rod 8 is fixed on the outer side surface of the pressing plate 4 through a fixing clamp 9, the upper end of the connecting rod 8 is hinged with one end of the telescopic rod 6, and the other end of the telescopic rod 6 is provided with a pull ring 3; a screw hole II 81 is arranged on a hinge column 83 of the connecting rod 8, two sides of the hinge column 83 outside the screw hole II 81 are respectively provided with a convex block 82, a hinge seat 63 of the telescopic rod 6 is provided with a screw hole I61 which is matched with the screw hole II 81 in size, two inner sides of the hinge seat 63 are respectively provided with a groove 62, and the groove 62 is arranged outside the screw hole I61 and is matched with the convex block 82 in size; when the connecting rod 8 is hinged with the telescopic rod 6, the convex block 82 is clamped into the groove 62, so that the connecting rod 8 and the telescopic rod 6 are opened for a certain angle; the telescopic rod 6 is provided with a button 7, and the telescopic rod 6 is contracted or extended by pressing the button 7.
Example 2:
a novel wire clamping device with a small pull ring loosening mechanism mainly comprises a wire tightening pull ring 1, a movable jaw 2, a pressing plate 4, a fixed jaw 12, a bottom plate 15 and a pulling plate 16; a straight line groove 14 is formed in the right end of the bottom plate 15, a bolt is embedded in the straight line groove 14, the bolt can slide in the straight line groove 14, and the bolt is hinged with the stringing pull ring 1 and the pull plate 16; the upper end of the pulling plate 16 is hinged with the upper end of the pressing plate 4, the lower end of the pressing plate 4 is hinged with the top of the movable jaw 2 through a pin shaft, and the tail part of the movable jaw 2 is hinged on the bottom plate 15; the fixed jaw 12 is fixedly arranged at the left lower part of the bottom plate 15 through a screw and is positioned below the movable jaw 2, and the fixed jaw 12 and the movable jaw 2 form a jaw; an L-shaped rod is fixedly arranged on the outer side surface of the pressing plate 4, the L-shaped rod consists of a connecting rod 8 and a telescopic rod 6, the lower end of the connecting rod 8 is fixed on the outer side surface of the pressing plate 4 through a fixing clamp 9, the upper end of the connecting rod 8 is hinged with one end of the telescopic rod 6, and the other end of the telescopic rod 6 is provided with a pull ring 3; a screw hole II 81 is arranged on a hinge column 83 of the connecting rod 8, two sides of the hinge column 83 outside the screw hole II 81 are respectively provided with a convex block 82, a hinge seat 63 of the telescopic rod 6 is provided with a screw hole I61 which is matched with the screw hole II 81 in size, two inner sides of the hinge seat 63 are respectively provided with a groove 62, and the groove 62 is arranged outside the screw hole I61 and is matched with the convex block 82 in size; when the connecting rod 8 is hinged with the telescopic rod 6, the convex block 82 is clamped into the groove 62, so that the connecting rod 8 and the telescopic rod 6 are opened for a certain angle; the telescopic rod 6 is provided with a button 7, and the telescopic rod 6 is contracted or extended by pressing the button 7.
And cushion layers 17 are respectively arranged at the jaws of the movable jaw 2 and the fixed jaw 12, and the cushion layers 17 are made of copper.
Example 3:
a novel wire clamping device with a small pull ring loosening mechanism mainly comprises a wire tightening pull ring 1, a movable jaw 2, a pressing plate 4, a fixed jaw 12, a bottom plate 15 and a pulling plate 16; a straight line groove 14 is formed in the right end of the bottom plate 15, a bolt is embedded in the straight line groove 14, the bolt can slide in the straight line groove 14, and the bolt is hinged with the stringing pull ring 1 and the pull plate 16; the upper end of the pulling plate 16 is hinged with the upper end of the pressing plate 4, the lower end of the pressing plate 4 is hinged with the top of the movable jaw 2 through a pin shaft, and the tail part of the movable jaw 2 is hinged on the bottom plate 15; the fixed jaw 12 is fixedly arranged at the left lower part of the bottom plate 15 through a screw and is positioned below the movable jaw 2, and the fixed jaw 12 and the movable jaw 2 form a jaw; an L-shaped rod is fixedly arranged on the outer side surface of the pressing plate 4, the L-shaped rod consists of a connecting rod 8 and a telescopic rod 6, the lower end of the connecting rod 8 is fixed on the outer side surface of the pressing plate 4 through a fixing clamp 9, the upper end of the connecting rod 8 is hinged with one end of the telescopic rod 6, and the other end of the telescopic rod 6 is provided with a pull ring 3; a screw hole II 81 is arranged on a hinge column 83 of the connecting rod 8, two sides of the hinge column 83 outside the screw hole II 81 are respectively provided with a convex block 82, a hinge seat 63 of the telescopic rod 6 is provided with a screw hole I61 which is matched with the screw hole II 81 in size, two inner sides of the hinge seat 63 are respectively provided with a groove 62, and the groove 62 is arranged outside the screw hole I61 and is matched with the convex block 82 in size; when the connecting rod 8 is hinged with the telescopic rod 6, the convex block 82 is clamped into the groove 62, so that the connecting rod 8 and the telescopic rod 6 are opened for a certain angle; the telescopic rod 6 is provided with a button 7, and the telescopic rod 6 is contracted or extended by pressing the button 7.
The jaws of the movable jaw 2 and the fixed jaw 12 are respectively provided with a cushion layer 17, and the cushion layer 17 is rubber.
Example 4:
a novel wire clamping device with a small pull ring loosening mechanism mainly comprises a wire tightening pull ring 1, a movable jaw 2, a pressing plate 4, a fixed jaw 12, a bottom plate 15 and a pulling plate 16; a straight line groove 14 is formed in the right end of the bottom plate 15, a bolt is embedded in the straight line groove 14, the bolt can slide in the straight line groove 14, and the bolt is hinged with the stringing pull ring 1 and the pull plate 16; the upper end of the pulling plate 16 is hinged with the upper end of the pressing plate 4, the lower end of the pressing plate 4 is hinged with the top of the movable jaw 2 through a pin shaft, and the tail part of the movable jaw 2 is hinged on the bottom plate 15; the fixed jaw 12 is fixedly arranged at the left lower part of the bottom plate 15 through a screw and is positioned below the movable jaw 2, and the fixed jaw 12 and the movable jaw 2 form a jaw; an L-shaped rod is fixedly arranged on the outer side surface of the pressing plate 4, the L-shaped rod consists of a connecting rod 8 and a telescopic rod 6, the lower end of the connecting rod 8 is fixed on the outer side surface of the pressing plate 4 through a fixing clamp 9, the upper end of the connecting rod 8 is hinged with one end of the telescopic rod 6, and the other end of the telescopic rod 6 is provided with a pull ring 3; a screw hole II 81 is arranged on a hinge column 83 of the connecting rod 8, two sides of the hinge column 83 outside the screw hole II 81 are respectively provided with a convex block 82, a hinge seat 63 of the telescopic rod 6 is provided with a screw hole I61 which is matched with the screw hole II 81 in size, two inner sides of the hinge seat 63 are respectively provided with a groove 62, and the groove 62 is arranged outside the screw hole I61 and is matched with the convex block 82 in size; when the connecting rod 8 is hinged with the telescopic rod 6, the convex block 82 is clamped into the groove 62, so that the connecting rod 8 and the telescopic rod 6 are opened for a certain angle; the telescopic rod 6 is provided with a button 7, and the telescopic rod 6 is contracted or extended by pressing the button 7.
And cushion layers 17 are respectively arranged at the jaws of the movable jaw 2 and the fixed jaw 12, and the cushion layers 17 are made of aluminum.
Example 5:
a novel wire clamping device with a small pull ring loosening mechanism mainly comprises a wire tightening pull ring 1, a movable jaw 2, a pressing plate 4, a fixed jaw 12, a bottom plate 15 and a pulling plate 16; a straight line groove 14 is formed in the right end of the bottom plate 15, a bolt is embedded in the straight line groove 14, the bolt can slide in the straight line groove 14, and the bolt is hinged with the stringing pull ring 1 and the pull plate 16; the upper end of the pulling plate 16 is hinged with the upper end of the pressing plate 4, the lower end of the pressing plate 4 is hinged with the top of the movable jaw 2 through a pin shaft, and the tail part of the movable jaw 2 is hinged on the bottom plate 15; the fixed jaw 12 is fixedly arranged at the left lower part of the bottom plate 15 through a screw and is positioned below the movable jaw 2, and the fixed jaw 12 and the movable jaw 2 form a jaw; an L-shaped rod is fixedly arranged on the outer side surface of the pressing plate 4, the L-shaped rod consists of a connecting rod 8 and a telescopic rod 6, the lower end of the connecting rod 8 is fixed on the outer side surface of the pressing plate 4 through a fixing clamp 9, the upper end of the connecting rod 8 is hinged with one end of the telescopic rod 6, and the other end of the telescopic rod 6 is provided with a pull ring 3; a screw hole II 81 is arranged on a hinge column 83 of the connecting rod 8, two sides of the hinge column 83 outside the screw hole II 81 are respectively provided with a convex block 82, a hinge seat 63 of the telescopic rod 6 is provided with a screw hole I61 which is matched with the screw hole II 81 in size, two inner sides of the hinge seat 63 are respectively provided with a groove 62, and the groove 62 is arranged outside the screw hole I61 and is matched with the convex block 82 in size; when the connecting rod 8 is hinged with the telescopic rod 6, the convex block 82 is clamped into the groove 62, so that the connecting rod 8 and the telescopic rod 6 are opened for a certain angle; the telescopic rod 6 is provided with a button 7, and the telescopic rod 6 is contracted or extended by pressing the button 7.
The outer sides of the movable jaw 2 and the fixed jaw 12 are provided with a lock catch assembly, and the lock catch assembly mainly comprises a retaining ring 10, a pressing plate 11 and a lock catch 13; the lock catch 13 is fixed on the movable jaw 2, one end of the retaining ring 10 can be clamped in the lock catch 13, the other end of the retaining ring 10 is hinged with one end of the pressing plate 11, and the other end of the pressing plate 11 is hinged with the fixed jaw 12. The jaws of the movable jaw 2 and the fixed jaw 12 are respectively provided with a cushion layer 17, and the cushion layer 17 is rubber.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (3)
1. A novel wire clamping device with a small pull ring loosening mechanism mainly comprises a wire tightening pull ring (1), a movable jaw (2), a pressing plate (4), a fixed jaw (12), a bottom plate (15) and a pulling plate (16);
a straight line groove (14) is formed in the right end of the bottom plate (15), a bolt is embedded in the straight line groove (14), the bolt slides in the straight line groove (14), and the bolt is hinged with the stringing pull ring (1) and the pull plate (16) simultaneously; the upper end of the pulling plate (16) is hinged with the upper end of the pressing plate (4), the lower end of the pressing plate (4) is hinged with the top of the movable jaw (2) through a pin shaft, and the tail part of the movable jaw (2) is hinged on the bottom plate (15); the fixed jaw (12) is fixedly arranged at the left lower part of the bottom plate (15) through a screw and is positioned below the movable jaw (2), and the fixed jaw (12) and the movable jaw (2) form a jaw;
the method is characterized in that: an L-shaped rod is fixedly arranged on the outer side surface of the pressing plate (4), the L-shaped rod consists of a connecting rod (8) and a telescopic rod (6), the lower end of the connecting rod (8) is fixed on the outer side surface of the pressing plate (4) through a fixing clamp (9), the upper end of the connecting rod (8) is hinged with one end of the telescopic rod (6), and the other end of the telescopic rod (6) is provided with a pull ring (3);
a screw hole II (81) is arranged on a hinge column (83) of the connecting rod (8), two sides of the hinge column (83) outside the screw hole II (81) are respectively provided with a convex block (82), a hinge seat (63) of the telescopic rod (6) is provided with a screw hole I (61) matched with the screw hole II (81) in size, two inner sides of the hinge seat (63) are respectively provided with a groove (62), and the groove (62) is positioned outside the screw hole I (61) and matched with the convex block (82) in size; when the connecting rod (8) is hinged with the telescopic rod (6), the lug (82) is clamped into the groove (62) to enable the connecting rod (8) and the telescopic rod (6) to be opened for a certain angle; the telescopic rod (6) is provided with a button (7), and the telescopic rod (6) is contracted or extended by pressing the button (7).
2. The novel wire clamping device with the small pull ring releasing mechanism as claimed in claim 1, wherein: the outer sides of the movable jaw (2) and the fixed jaw (12) are provided with a lock catch assembly, and the lock catch assembly mainly comprises a retaining ring (10), a pressing plate (11) and a lock catch (13); the lock catch (13) is fixed on the movable jaw (2), one end of the retaining ring (10) can be clamped into the lock catch (13), the other end of the retaining ring (10) is hinged with one end of the pressing plate (11), and the other end of the pressing plate (11) is hinged with the fixed jaw (12).
3. The novel wire clamping device with the small pull ring releasing mechanism as claimed in claim 1, wherein: the jaw parts of the movable jaw (2) and the fixed jaw (12) are respectively provided with a cushion layer (17), and the cushion layer (17) is one of copper, aluminum and rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054979.5U CN210326720U (en) | 2019-12-24 | 2019-12-24 | Novel wire clamping device with small pull ring loosening mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054979.5U CN210326720U (en) | 2019-12-24 | 2019-12-24 | Novel wire clamping device with small pull ring loosening mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210326720U true CN210326720U (en) | 2020-04-14 |
Family
ID=70149304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921054979.5U Withdrawn - After Issue CN210326720U (en) | 2019-12-24 | 2019-12-24 | Novel wire clamping device with small pull ring loosening mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210326720U (en) |
-
2019
- 2019-12-24 CN CN201921054979.5U patent/CN210326720U/en not_active Withdrawn - After Issue
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200414 Effective date of abandoning: 20221017 |