CN201179644Y - Clip apparatus of drawing device - Google Patents
Clip apparatus of drawing device Download PDFInfo
- Publication number
- CN201179644Y CN201179644Y CNU2008200739475U CN200820073947U CN201179644Y CN 201179644 Y CN201179644 Y CN 201179644Y CN U2008200739475 U CNU2008200739475 U CN U2008200739475U CN 200820073947 U CN200820073947 U CN 200820073947U CN 201179644 Y CN201179644 Y CN 201179644Y
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- China
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- articulated
- clipping
- clipping part
- adjusting lever
- screw
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- Expired - Lifetime
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Abstract
The utility model provides a clamping device for a puller, comprising a first clamping piece, two second clamping pieces, four pivoting pieces and three adjusting rod assemblies, wherein the pivoting pieces are respectively pivoted at the two ends of the first clamping piece and one end of each second clamping piece corresponding to the first clamping piece, the other end of each second clamping piece is respectively provided with a transverse through hole, one adjusting rod assemblies is inserted into the through holes of the second clamping pieces, and the other two adjusting rod assemblies are respectively inserted into the holes of the pivoting pieces so that the adjusting rod assemblies are arranged in a triangle. The pivoting pieces are arranged between clamping pieces, so that each adjusting rod assembly can be pivoted, the center of each adjusting rod assembly can be centered automatically, and the range for receiving a bearing between the clamping pieces is enlarged to bring convenience to the installation of the bearing.
Description
Technical field
The utility model relates to a kind of drawbench, relate in particular to a kind ofly can strengthen the scope that can be installed with bearing between each clipping part by articulated part, and the automatic guiding center is with the clamping device of the drawbench that carries out Fast Installation.
Background technology
See also Figure 11, be a kind of existing drawbench 9, it includes an actuator 91, an expansion link 92, three draws pull bar 93, three clipping parts 94 and three adjusting lever groups 95, it mainly is to connect in this actuator 91 to be set as three and to draw the bar 93 of pulling, and establish a clipping part 94 in respectively drawing bar 93 ends of pulling to connect respectively, and each adjusting lever group 95 is arranged in an end of two clipping parts 94 wherein respectively, connect each clipping part 94 by this adjusting lever group 95, so that its whole general circle is set as a circle, conveniently to be sheathed on a bearing A who treats dismounting.
But if at the adjusting lever group 95 of this drawbench 9, each adjusting lever group 9 is made of a screw rod 951 and a nut 952 respectively, therefore, when being nested with this drawbench 9, all is to utilize to unscrew each nut 952 and change each clipping part 94 spacing that is set as of enclosing; In addition, in order to adjust each clipping part 94 to meet the diameter of this bearing A, then need time-consumingly to adjust respectively each adjusting lever group 95, and rotate nut 952 on each screw rod 951 respectively, so that it can meet bearing A diameter to be provided with, can be convenient to install the outer peripheral edges that this drawbench 9 is sheathed on this bearing A, and after sheathed getting well, screw each nut 952 again, so that each clipping part 94 reliably is butted on the outer peripheral edges of this bearing A, and screw each nut 952 respectively once more, just can carry out the work of next step this bearing of dismounting A.
Yet, because this drawbench 9 has much weight, and on adjusting, need adjust the spacing of each adjusting lever group 95 respectively, so that enclosing the spacing convergence that is set as, each clipping part 94 equates, could when this bearing of dismounting A, balance respectively draw the pulling force of bar 93 when choosing of pulling, if in the process of installing, need screw each nut 952 one by one, and adjust each nut 952 respectively to the appropriate location, then when this drawbench 9 of installing, will cause the inconvenience in the use, moreover, each adjusting lever group 95 also can't be adjusted to suitable spacing and correcting automatically to the appropriate location, therefore, then often causes user's puzzlement in the not convenient property of installing.
The utility model content
Technical problem underlying to be solved in the utility model is, overcome the above-mentioned defective that prior art exists, and provide a kind of clamping device of drawbench, each articulated part and each adjusting lever group can be pivoted, but and in installing during clamping device automatic guiding to the appropriate location, make its integral body be easy to install, can make each clipping part return back to original position, and reach and install the clamping device effect easily.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of clamping device of drawbench, it is characterized in that, it is the action piece bottom that is installed in a drawbench, the actuator and one that this action piece includes a contact one bearing has three adjustment parts that draw the bar of pulling, it comprises: one first clipping part, have a body and a pinch, and it is poor that this pinch and this body have a stage, and this body has an articulated section respectively in two ends, and this body has one in middle position and supplies and this adjustment part combined hole that draws the bar of pulling to combine wherein; 2 second clipping parts, each second clipping part has a body and a pinch respectively, to have a stage poor with body respectively for each pinch, and each body is respectively at a end that should the first clipping part articulated section is had an articulated section, and the end in addition of each body has a horizontal through hole respectively, and the axle center of each through hole is positioned on the same linear position, and each body in middle position have respectively one can with this adjustment part two combined holes that draw the bar of pulling to combine in addition; Four articulated parts, each articulated part are hubbed at the articulated section of this first clipping part and each articulated section of each second clipping part respectively; Three adjusting lever groups, an adjusting lever group wherein are the through holes that is arranged in each second clipping part, and other two adjusting lever groups are arranged in the through hole of each articulated part respectively, and are generally triangular in shape to make between each adjusting lever group.
The clamping device of aforesaid drawbench, wherein each body is to be one circular-arc.
The clamping device of aforesaid drawbench, wherein each articulated section has a perforation longitudinally respectively, described each articulated part has a horizontal profile groove respectively, described each profile groove is to be equipped with a perforation longitudinally in upside, and in downside tool one screw longitudinally, and this perforation and this screw are to be positioned on the same linear position, and each pivot joint block reaches respectively each articulated section of second clipping part with its profile groove for being hubbed at this first clipping part respectively, and stretch through the perforation of this first clipping part and each second clipping part and screw lock again in the screw of each articulated part by the perforation that several pivots pass each articulated part respectively, can pivot respectively at the articulated section of this first clipping part and each second clipping part for each articulated part.
The clamping device of aforesaid drawbench, wherein pivot is a screw.
The clamping device of aforesaid drawbench, wherein each articulated section has a horizontal profile groove respectively, each profile groove is equipped with a perforation longitudinally in upside, and in downside tool one screw longitudinally, and this perforation and this screw are to be positioned on the same linear position, and each articulated part convexes with a lug respectively, and each lug has a perforation longitudinally respectively, and each articulated part supplies to be hubbed at the profile groove of each clipping part respectively with its lug, and stretch through the lug of each articulated part and screw lock again in the screw of this first clipping part and each second clipping part by the perforation that several pivots pass this first clipping part and each second clipping part respectively, can pivot respectively at the articulated section of this first clipping part and each second clipping part for each articulated part.
The clamping device of aforesaid drawbench, wherein pivot is a screw.
The clamping device of aforesaid drawbench, wherein each adjusting lever group includes a screw rod and two nuts respectively, a screw rod wherein is to stretch through to be arranged at the through hole of each second clipping part, and stretch through the respectively through hole that is arranged at the articulated part that each second clipping part articulated section is pivoted and the through hole of the articulated part that this first clipping part articulated section is pivoted of two screw rods in addition, and each nut difference screw lock is in two ends of each screw rod, for each clipping part of location.
The clamping device of aforesaid drawbench, an adjusting lever group wherein that wherein is arranged in described each second clipping part through hole is to be equipped with a spring respectively in two ends, and in addition two adjusting lever groups are provided with a spring respectively at wearing articulated part through hole one end that each second clipping part articulated section is pivoted, and each spring respectively contact be arranged between nut and each the second clipping part of an adjusting lever group wherein of each second clipping part through hole and in addition two adjusting lever groups between the nut and articulated part of the contiguous respectively second clipping part, one end.
The clamping device of aforesaid drawbench, wherein each adjusting lever group respectively is equipped with a spring respectively at two ends, and between the nut that each spring is resisted against one of them the adjusting lever group that is arranged in each second clipping part through hole respectively and each second clipping part and in addition two adjusting lever groups are between the nut and articulated part of contiguous each the second clipping part, one end, and are resisted against other two adjusting lever groups respectively between the nut of other end and articulated part that this first clipping part 3 is pivoted.
The beneficial effects of the utility model are, each articulated part and each adjusting lever group can be pivoted, but and in installing during clamping device automatic guiding make its integral body be easy to install to the appropriate location, can make each clipping part return back to original position, and reach and install the clamping device effect easily.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the solid combination schematic diagram of the utility model first embodiment
Fig. 2 is the perspective exploded view of the utility model first embodiment
Fig. 3 is the user mode schematic diagram one of the utility model first embodiment
Fig. 4 is the user mode schematic diagram two of the utility model first embodiment
Fig. 5 is the cutaway view of the utility model 5-5 line shown in Figure 4
Fig. 6 is the user mode schematic diagram of the utility model second embodiment
Fig. 7 is the user mode schematic diagram one of the utility model the 3rd embodiment
Fig. 8 is the user mode schematic diagram two of the utility model the 3rd embodiment
Fig. 9 is the perspective exploded view of the utility model the 4th embodiment
Figure 10 is the partial sectional view after the second clipping part and articulated part combination shown in Figure 9
Figure 11 is the three-dimensional appearance schematic diagram of existing drawbench and clamping device thereof
The specific embodiment
Embodiment of the present utility model sees also Fig. 1 to Figure 10, is the selected embodiment of the utility model shown in the figure.
This first embodiment provides a kind of clamping device 10 of drawbench, extremely shown in Figure 5 as Fig. 1, it is action piece 11 bottoms that are installed in a drawbench 1, but this action piece 11 includes the actuator 12 and of a contact one bearing B has three adjustment parts 2 that draw the bar 21 of pulling, wherein, this clamping device 10 comprises:
One first clipping part 3, it is to be one circular-arc, and this first clipping part 3 has a body 31 and a pinch 32, it is poor that this pinch 32 and this body 31 have a stage, and this body 31 has an articulated section 33 respectively in circular-arc two ends, in present embodiment, this articulated section 33 has one and bores a hole 34 longitudinally.In addition, this body 31 in middle position have one can with this adjustment part 2 combined hole 35 that draws the bar 21 of pulling to combine wherein.
2 second clipping parts 4, each second clipping part 4 also is to be one circular-arc, and each second clipping part 4 has a body 41 and a pinch 42 respectively, to have a stage poor with body 41 respectively for each pinch 42, and each body 41 is respectively at a end that should the first clipping part, 3 articulated sections 33 is had an articulated section 43, in the present embodiment, this articulated section 43 has one and bores a hole 44 longitudinally, and the end in addition of each body 41 has a horizontal through hole 45 respectively, and the axle center of each through hole 45 is to be positioned on the same linear position.In addition, each body 41 in middle position have respectively one can with this adjustment part 2 two combined holes 46 that draw the bar 21 of pulling to combine in addition.
Four articulated parts 5, has a horizontal profile groove 51 respectively, each profile groove 51 is equipped with one in upside and bores a hole 52 longitudinally, and in downside tool one screw 53 longitudinally, and this perforation 52 and this screw 53 are to be positioned on the same linear position, and each articulated part 5 has the through hole 54 of parallel this profile groove 51 respectively.In addition, each articulated part 5 reaches respectively each articulated section 33,43 of second clipping part 4 with its profile groove 51 for being hubbed at this first clipping part 3 respectively, and stretch through the perforation 34,44 of this first clipping part 3 and each second clipping part 4 and screw lock again in the screw 53 of each articulated part 5 by the perforation 52 that several pivots 7 pass each articulated part 5 respectively, can pivot respectively at the articulated section 33,43 of this first clipping part 3 and each second clipping part 4 for each articulated part 5, in the present embodiment, this pivot 7 is a screw.
Three adjusting lever groups 6, an adjusting lever group 6 wherein are the through holes 45 that are arranged in each second clipping part 4, and two adjusting lever groups 6 are the through holes 54 that are arranged in each articulated part 5 respectively in addition, to make 6 of each adjusting lever groups general triangular in shape.In the present embodiment, each adjusting lever group 6 includes a screw rod 61 and two nuts 62 respectively, a screw rod 61 wherein is to stretch through to be arranged at the through hole 45 of each second clipping part 4, and stretch through the respectively through hole 54 that is arranged at the articulated part 5 that each the second clipping part, 4 articulated section 43 is pivoted and the through hole 54 of the articulated part 5 that this first clipping part, 3 articulated sections 33 are pivoted of two screw rods 61 in addition, and each nut 62 difference screw lock is in two ends of each screw rod 61, for each clipping part 3,4 of location.
In sum, see also Fig. 3 to Fig. 5, it is in order to be installed in a bearing B, in order to dismantling on an axle B1.At first, the nut 62 of each adjusting lever group 6 is slightly unscrewed, and with each second clipping part 4 respectively towards a left side, right two laybacks are opened, make between this first clipping part 3 and each the second clipping part 4 and have bigger spacing, at this moment, each clipping part 3,4 will constitute with four virtual connecting rod T1 with each adjusting lever group 6, T2, T3, the mode activity of T4, and when drawing back each second clipping part 4 with installing bearing B, by each articulated part 5 with each adjusting lever group 6 that pivots, when making it be installed in bearing B, each connecting rod T1, T2, T3, the position of T4 all can the automatic guiding center, screw each nut 62 again after waiting to be sheathed on this bearing B, so that each clipping part 3, this bearing of 4 clippings B, then this can be installed on this bearing B easily, relends this axle of the actuator 12 contacts B1 by action piece 11, and make this adjustment part 2 by respectively drawing the bar 21 of pulling to spur, then can dismantle the operation of this bearing B.
Therefore, its advantage is, because drawbench has weight, but, four articulated parts produce four pivoting points by being set, can make clamping device when installing, form four link motions and strengthen the scope that can be installed with this bearing B between each clipping part, and the energy automatic guiding, make its integral body be easy to install.
Certainly, the utility model still has other example, wherein only difference in the part variation, see also Fig. 6, it is in order to disclose second embodiment of the present utility model, wherein: an adjusting lever group 6 wherein that is arranged in each the second clipping part, 4 through hole 45 is to be equipped with a spring 8 respectively in two ends, and in addition two adjusting lever groups 6 also are provided with a spring 8 respectively at wearing articulated part 5 through holes 54 1 ends that each the second clipping part, 4 articulated section 43 is pivoted, and each spring 8 respectively contact be arranged in each the second clipping part, 4 through hole 45 an adjusting lever group 6 wherein nut 62 and each 4 of second clipping part and in addition two adjusting lever groups 6 between the nut 62 and articulated part 5 of the contiguous respectively second clipping part, 4 one ends; Whereby, utilize the spring 8 that is provided with, when this clamping device 10 of installing, can open each second clipping part 4 from left and right two laybacks, then can utilize each spring 8 to cushion each clipping part and strengthen the displacement that spacing caused, simultaneously, and borrow each articulated part 5 to come the automatic guiding center to be sheathed on bearing B to be removed; Further, relend the elastic force of shoring, make each clipping part 3,4 can return back to original position, can finish this clamping device 10 of installing in the purpose of this bearing B by each spring 8.
In addition, extremely shown in Figure 8 as Fig. 7, it is in order to disclose the 3rd embodiment of the present utility model, wherein, also can set up the two ends that several springs 8 are arranged in each adjusting lever group 6 respectively, and the nut 62 that each spring 8 is resisted against an adjusting lever group 6 wherein that is arranged in each the second clipping part, 4 through hole 45 respectively and each 4 of second clipping part and in addition two adjusting lever groups 6 between the nut 62 and articulated part 5 of the contiguous respectively second clipping part, 4 one ends, and be resisted against two adjusting lever groups 6 in addition respectively between the nut 62 of other end and articulated part 5 that this first clipping part 3 is pivoted, so that each adjusting lever group 6 two end is respectively equipped with spring 8.Then this is provided with each spring 8 by each adjusting lever group 6 respectively at two ends, and its institute that can not only reach previous embodiment is powerful, more can decrease in the process that unscrews nut, and reach the effect of installing this clamping device 10 easily and fast.
See also Fig. 9 to Figure 10, it is in order to disclose the 4th embodiment of the present utility model, wherein, this first clipping part 3A body 31A has a horizontal profile groove 36A in the articulated section at two ends 33A, and in this profile groove 36A upside is to be equipped with the 34A that bores a hole longitudinally, and be tool one screw 37A longitudinally in downside, and this perforation 34A and this screw 37A are positioned on the same linear position; And the articulated section 43A of each second clipping part 4A body 41A is respectively at articulated section 33A that should the first clipping part 3A, one end is had a horizontal profile groove 47A respectively, and be equipped with the 44A that bores a hole longitudinally in this profile groove 47A upside, and in downside tool one screw 48A longitudinally, and this perforation 44A and this screw 48A also are positioned on the same linear position, and the end in addition of each body 41A also has a horizontal through hole 45A respectively, and the axle center of each through hole 45A also is positioned on the same linear position.
In addition, each articulated part 5A convexes with respectively one can corresponding each clipping part 3A, the lug 51A of 4A each profile groove 36A, 47A, and each lug 51A has the 52A that bores a hole longitudinally respectively, and each articulated part 5A has the through hole 54A of each profile groove 36A, the 47A of parallel each clipping part 3A, a 4A respectively, and the axle center of each through hole 54A also is positioned on the same linear position.
Moreover, each articulated part 5A supplies to be hubbed at profile groove 36A, the 47A of each clipping part 3A, 4A respectively with its lug 51A, and stretch through the lug 51A of each articulated part 5A and screw lock again in screw 37A, the 48A of this first clipping part 3A and each second clipping part 4A by perforation 34A, 44A that several pivots 7A passes this first clipping part 3A and each second clipping part 4A respectively, can pivot respectively at articulated section 33A, the 43A of this first clipping part 3A and each second clipping part 4A for each articulated part 5A, in the present embodiment, this pivot 7A also is a screw.
And the adjusting lever group 6A wherein of each adjusting lever group 6A is the through hole 45A that is arranged in each second clipping part 4A, and other two adjusting lever group 6A are arranged in the through hole 54A of each articulated part 5A respectively, also generally triangular in shape to make between each adjusting lever group 6A, and each adjusting lever group 6A also includes a screw rod 61A and two nut 62A respectively.
In sum, present embodiment also can make each clipping part 3A, 4A and each adjusting lever group 6A can constitute the mode activity of four virtual connecting rods, also produce four pivoting points by four articulated part 5A, can make clamping device when installing, also can strengthen the scope that can be installed with this bearing B between each clipping part 3A, 4A, and can make it be easy to install by automatic guiding.Certainly, also can between the nut 62A of each articulated part 5A and each adjusting lever group 6A, be equipped with a spring (not shown), cushion each clipping part for each spring and strengthen the displacement that spacing caused, relend the elastic force of shoring by each spring, make each clipping part can return back to original position, and finish this clamping device of installing in the purpose of bearing.
Claims (9)
1. the clamping device of a drawbench is characterized in that, it is the action piece bottom that is installed in a drawbench, and the actuator and that this action piece includes a contact one bearing has three adjustment parts that draw the bar of pulling, and it comprises:
One first clipping part has a body and a pinch, and it is poor that this pinch and this body have a stage, and this body has an articulated section respectively in two ends, this body in middle position have one for and this adjustment part combined hole that draws the bar of pulling to combine wherein;
2 second clipping parts, each second clipping part has a body and a pinch respectively, to have a stage poor with body respectively for each pinch, and each body is respectively at a end that should the first clipping part articulated section is had an articulated section, and the end in addition of each body has a horizontal through hole respectively, and the axle center of each through hole is positioned on the same linear position, and each body in middle position have respectively one can with this adjustment part two combined holes that draw the bar of pulling to combine in addition;
Four articulated parts, each articulated part are hubbed at the articulated section of this first clipping part and each articulated section of each second clipping part respectively;
Three adjusting lever groups, an adjusting lever group wherein are the through holes that is arranged in each second clipping part, and other two adjusting lever groups are arranged in the through hole of each articulated part respectively, and are generally triangular in shape to make between each adjusting lever group.
2. the clamping device of drawbench according to claim 1 is characterized in that: described each body is to be one circular-arc.
3. the clamping device of drawbench according to claim 1, it is characterized in that: described each articulated section has a perforation longitudinally respectively, described each articulated part has a horizontal profile groove respectively, described each profile groove is to be equipped with a perforation longitudinally in upside, and in downside tool one screw longitudinally, and this perforation and this screw are to be positioned on the same linear position, and each pivot joint block reaches respectively each articulated section of second clipping part with its profile groove for being hubbed at this first clipping part respectively, and stretch through the perforation of this first clipping part and each second clipping part and screw lock again in the screw of each articulated part by the perforation that several pivots pass each articulated part respectively, can pivot respectively at the articulated section of this first clipping part and each second clipping part for each articulated part.
4. the clamping device of drawbench according to claim 3, it is characterized in that: described pivot is a screw.
5. the clamping device of drawbench according to claim 1, it is characterized in that: described each articulated section has a horizontal profile groove respectively, each profile groove is equipped with a perforation longitudinally in upside, and in downside tool one screw longitudinally, and this perforation and this screw are to be positioned on the same linear position, and each articulated part convexes with a lug respectively, and each lug has a perforation longitudinally respectively, and each articulated part supplies to be hubbed at the profile groove of each clipping part respectively with its lug, and stretch through the lug of each articulated part and screw lock again in the screw of this first clipping part and each second clipping part by the perforation that several pivots pass this first clipping part and each second clipping part respectively, can pivot respectively at the articulated section of this first clipping part and each second clipping part for each articulated part.
6. the clamping device of drawbench according to claim 5, it is characterized in that: described pivot is a screw.
7. the clamping device of drawbench according to claim 1, it is characterized in that: described each adjusting lever group includes a screw rod and two nuts respectively, a screw rod wherein is to stretch through to be arranged at the through hole of each second clipping part, and stretch through the respectively through hole that is arranged at the articulated part that each second clipping part articulated section is pivoted and the through hole of the articulated part that this first clipping part articulated section is pivoted of two screw rods in addition, and each nut difference screw lock is in two ends of each screw rod, for each clipping part of location.
8. the clamping device of drawbench according to claim 7, it is characterized in that: an adjusting lever group wherein that is arranged in described each second clipping part through hole is to be equipped with a spring respectively in two ends, and in addition two adjusting lever groups are provided with a spring respectively at wearing articulated part through hole one end that each second clipping part articulated section is pivoted, and each spring respectively contact be arranged between nut and each the second clipping part of an adjusting lever group wherein of each second clipping part through hole and in addition two adjusting lever groups between the nut and articulated part of the contiguous respectively second clipping part, one end.
9. the clamping device of drawbench according to claim 7, it is characterized in that: described each adjusting lever group respectively is equipped with a spring respectively at two ends, and between the nut that each spring is resisted against one of them the adjusting lever group that is arranged in each second clipping part through hole respectively and each second clipping part and in addition two adjusting lever groups are between the nut and articulated part of contiguous each the second clipping part, one end, and are resisted against other two adjusting lever groups respectively between the nut of other end and articulated part that this first clipping part is pivoted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200739475U CN201179644Y (en) | 2008-02-28 | 2008-02-28 | Clip apparatus of drawing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200739475U CN201179644Y (en) | 2008-02-28 | 2008-02-28 | Clip apparatus of drawing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201179644Y true CN201179644Y (en) | 2009-01-14 |
Family
ID=40249147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200739475U Expired - Lifetime CN201179644Y (en) | 2008-02-28 | 2008-02-28 | Clip apparatus of drawing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201179644Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002273A (en) * | 2014-05-21 | 2014-08-27 | 国网四川省电力公司成都市新都供电分公司 | Simple disassembling device for shaft parts |
-
2008
- 2008-02-28 CN CNU2008200739475U patent/CN201179644Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104002273A (en) * | 2014-05-21 | 2014-08-27 | 国网四川省电力公司成都市新都供电分公司 | Simple disassembling device for shaft parts |
| CN104002273B (en) * | 2014-05-21 | 2016-06-15 | 国网四川省电力公司成都市新都供电分公司 | Simple and easy Axle Parts stripping assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090114 |