CN202270922U - Double-handle type riveting nut gun - Google Patents
Double-handle type riveting nut gun Download PDFInfo
- Publication number
- CN202270922U CN202270922U CN201120376826XU CN201120376826U CN202270922U CN 202270922 U CN202270922 U CN 202270922U CN 201120376826X U CN201120376826X U CN 201120376826XU CN 201120376826 U CN201120376826 U CN 201120376826U CN 202270922 U CN202270922 U CN 202270922U
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- China
- Prior art keywords
- nut
- bar
- pull bar
- handle
- riveting
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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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a double-handle type riveting nut gun, which comprises a unidirectional clutch connected with a drawing bar telescoping mechanism and a clutch sleeve. The unidirectional clutch is fixed in a clutch base and connected with a spiral rod through a sixth pin shaft. A spiral rod sleeve is sleeved outside the spiral rod, and one end of the spiral rod sleeve is fixed on the clutch sleeve through threads. A pushing rod is sleeved on the spiral rod and between the spiral rod and the spiral rod sleeve, a steel ball matched with a spiral groove in the spiral rod is inlaid at one end of the pushing rod, and the other end of the pushing rod is connected onto a drop-out rod base. The drop-out rod base is connected onto a drop-out connection rod through a fifth pin shaft, and the drop-out connection rod is connected onto a handle through a fourth pin shaft. The double-handle type riveting nut gun adopts the unidirectional clutch and the drop-out connection rod, and controls the spiral rod to rotate when the handle is opened, and the spiral rod drives a riveting nut rod to drop out of a nut. During usage of the double-handle type riveting nut gun, double hands do not need to leave the handle, thereby being convenient to use and improving working efficiency.
Description
Technical field
The utility model relates to the clincher tool technical field, particularly relates to a kind of dual-handle Nut riveter.
Background technology
The dual-handle Nut riveter is common clincher tool, in the staking process of product such as it is widely used in building, automobile, boats and ships, aircraft, machine, electrical equipment, furniture.When the intact nut of existing dual-handle Nut riveter riveting withdraws from, need user's the handle of holding to rotate riveting gun by hand and withdraw from, operating efficiency is very low.
In order to address the above problem; Existing a kind of dual-handle Nut riveter has increased the drawing-out mechanism of nut; The drawing-out mechanism of this Nut riveter leans on the manual knob on it to drive the screw rod rotation, and the riveting nut bar through screw rod drive Nut riveter leading section withdraws from nut again.
But, after using this dual-handle Nut riveter to accomplish riveted joint, need to withdraw from through following process:
1, holds handle by original two, change a grip hand into, buttress the front end of this Nut riveter on the other hand.
2, it is motionless to buttress the hand of this Nut riveter front end, and the hand of holding handle leaves handle, and the rotation manual knob withdraws from operation.
3, the hand of rotation manual knob leaves manual knob, holds handle.
4, the hand that buttresses this Nut riveter front end leaves this Nut riveter front end, holds handle.
It is loaded down with trivial details that this withdraws from process operation, uses inconvenience, inefficiency.
Existing Nut riveter is often changed the riveting nut of different model according to the operating position needs, thereby need correspondingly be changed the riveting nut bar in use.
And on existing Nut riveter; The connected mode of its riveting nut bar and pull bar is: on riveting nut bar and pull bar, respectively offer a fixing hole; Pass these two fixing holes through bolt and interconnect by riveting nut bar and pull bar, pull bar can drive the riveting nut bar and together moves like this.
But, when adopting above-mentioned connected mode, in carrying out the replacing process of riveting nut bar, need to use instrument such as screwdriver that riveting nut bar and pull bar are fixed, remove more time-consuming, inefficiency.
In addition, in the use of Nut riveter, can produce very big pulling force between riveting nut bar and the pull bar, because riveting nut bar and pull bar are just fixed through a shank of bolt, this shank of bolt is easy to loosening or might be fractureed.
The utility model content
The problem that the utility model embodiment will solve provides a kind of dual-handle Nut riveter, and to withdraw from process operation in the prior art loaded down with trivial details to overcome, and uses inconvenience, ineffective defective.
For achieving the above object; The technical scheme of the utility model embodiment provides a kind of dual-handle Nut riveter; Said Nut riveter comprises: the riveting gun seat, be arranged on the nut adjusting mechanism of said riveting gun seat front end, and be installed on the riveting nut bar in the said nut adjusting mechanism; Front end respectively at two grip that mating holes and this riveting gun seat of said riveting gun seat both sides is hinged, is connected the terminal pull bar telescoping mechanism of pull bar through first bearing pin; Said riveting nut bar is fixed on the front end of said pull bar;
Said Nut riveter also comprises one-way clutch and the clutch outer that is connected with said pull bar telescoping mechanism, and said one-way clutch is fixed in the clutch base, and said one-way clutch seat is connected with screw rod through the 6th bearing pin; Said screw rod is arranged with the screw rod overcoat outward, and an end of said screw rod overcoat is fixed on the said clutch outer through screw thread; Be arranged with catch bar on the said screw rod and between the screw rod overcoat, an end of said catch bar stud with said screw rod in the steel ball that cooperates of helicla flute, the other end of said catch bar is connected and withdraws from the pole socket; The said pole socket that withdraws from is connected through the 5th bearing pin and withdraws from the connecting rod, and the said connecting rod that withdraws from is connected on the said handle through the 4th bearing pin.
Further, said pull bar telescoping mechanism comprises draw-bar seat, hold-doun nut, second bearing pin, connecting rod and the 3rd bearing pin;
Said pull bar passes said draw-bar seat, and end is fixed on the said hold-doun nut; Said hold-doun nut is positioned at the cavity of said draw-bar seat, and said one-way clutch is installed in the afterbody of said hold-doun nut, and said clutch outer is connected with said draw-bar seat through screw thread;
One end of said connecting rod is hinged through the front end of said second bearing pin and said handle, and the other end is connected with said draw-bar seat through said the 3rd bearing pin.
Further, the interior space mounting of said clutch base and clutch outer has the pull bar back-moving spring, and the installing space of said pull bar back-moving spring is the telescopic movable space of said pull bar.
Further, riveting gun seat and back riveting gun seat before said riveting gun seat comprises, said back riveting gun seat is fixed in the cavity of said preceding riveting gun seat; Said handle is hinged in the cavity of said back riveting gun seat through said first bearing pin.
Further, said back riveting gun seat is provided with the rule of regulating indication, is provided with the pointer corresponding with said rule at the end of said pull bar telescoping mechanism.
Further, said nut adjusting mechanism comprises that nut leads mouth, regulating sleeve, adjusting nut, fixedly sliding sleeve and spring;
The rear end of said regulating sleeve is provided with external screw thread, the screw-internal thread fit of said externally threaded rear portion and said riveting gun seat front end, the screw-internal thread fit of said externally threaded front portion and said adjusting nut;
The rear end that said nut is led mouth is connected with the front end of said regulating sleeve through screw thread, and said riveting nut bar passes said nut and leads mouth;
Said fixedly sliding sleeve is set on the said pull bar, and the spring housing that is positioned at said fixedly sliding sleeve afterbody is located on the said pull bar.
Further, the rear end of said riveting nut bar is provided with the inside/outside screw thread, and the front end of said pull bar is provided with the outer/inner screw thread that is complementary with it, and said riveting nut bar can be fixed on the front end of said pull bar through the said screw thread that is complementary;
The outside of the rear end of said riveting nut bar is a polygon; The outside of the front end of said pull bar is the polygon identical with the rear end of said riveting nut bar; Said fixedly sliding sleeve is set on the said pull bar, the polygon of its endoporus for matching with the polygon of said pull bar front end;
Said spring housing is located on the said pull bar, and one of which end elasticity is connected to the afterbody of said fixedly sliding sleeve.
Further, said polygon is a regular hexagon.
Further, be respectively arranged with the through hole of fixing a breakdown on said regulating sleeve and the riveting nut bar.
Further, said handle is provided with taper knob.
Compared with prior art, the technical scheme of the utility model has following advantage:
The dual-handle Nut riveter of the utility model adopts one-way clutch and withdraws from connecting rod, when handle is opened, and the rotation of control screw rod, screw rod drives the riveting nut bar and withdraws from nut.The utility model in use both hands need not to leave handle, and is easy to use, improved operating efficiency.
In addition, the utility model only needs fixedly sliding sleeve to leave behind when changing the riveting nut bar to screw out the riveting nut bar to get final product, and is easy to use, improved operating efficiency; And riveting nut bar and pull bar have guaranteed the intensity of tension through being threaded; Simultaneously, the polygon of riveting nut bar and pull bar is set-located through the fixing polygon of sliding sleeve, has guaranteed can not get loose at work.
Description of drawings
Fig. 1 is the front view of a kind of dual-handle Nut riveter of the utility model embodiment;
Fig. 2 is the left view of the dual-handle Nut riveter of Fig. 1;
Fig. 3 is along the cutaway view of G-G direction among Fig. 2;
Fig. 4 is along the cutaway view of H-H direction among Fig. 1;
Fig. 5 is along the cutaway view of A-A direction among Fig. 1.
Among the figure: 1, preceding riveting gun seat; 2, handle; 3, taper knob; 4, riveting nut bar; 5, nut is led mouth; 6, regulating sleeve; 7, regulate nut; 8, fixing sliding sleeve; 9, pull bar; 10, spring; 11, first bearing pin; 12, second bearing pin; 13, connecting rod; 14, the 3rd bearing pin; 15, back riveting gun seat; 16, draw-bar seat; 17, the 6th bearing pin; 18, hold-doun nut; 19, screw rod overcoat; 20, screw rod; 21, catch bar; 22, steel ball; 23, one-way clutch; 24, clutch base; 25, clutch outer; 26, the 4th bearing pin; 27, withdraw from connecting rod; 28, the 5th bearing pin; 29, rule; 30, pointer; 31, the fault evacuation aperture on the regulating sleeve; 32, the fault evacuation aperture on the riveting nut bar; 33, pull bar back-moving spring; 34, withdraw from pole socket.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
With reference to Fig. 1～Fig. 5; The structure of a kind of dual-handle Nut riveter of the utility model embodiment comprises the riveting gun seat; Be arranged on the nut adjusting mechanism of said riveting gun seat front end; Be installed on the riveting nut bar 4 in the said nut adjusting mechanism, front end respectively at two grip 2 that mating holes and this riveting gun seat of said riveting gun seat both sides is hinged, is connected the pull bar telescoping mechanism of pull bar 9 ends through first bearing pin 11; Said riveting nut bar 4 is fixed on the front end of said pull bar 9; Said dual-handle Nut riveter also comprises the one-way clutch 23 and clutch outer 25 that is connected with said pull bar telescoping mechanism, and said one-way clutch 23 is fixed in the clutch base 24, and said one-way clutch seat 24 is connected with screw rod 20 through the 6th bearing pin 17; Be arranged with screw rod overcoat 19 outside the said screw rod 20, an end of said screw rod overcoat 19 is fixed on the said clutch outer 25 through screw thread; Be arranged with catch bar 21 on the said screw rod 20 and between the screw rod overcoat 19, an end of said catch bar 21 stud with said screw rod 20 in the steel ball 22 that cooperates of helicla flute, the other end of said catch bar 21 is connected and withdraws from the pole socket 34; The said pole socket 34 that withdraws from is connected through the 5th bearing pin 28 and withdraws from the connecting rod 27; The said connecting rod 27 that withdraws from is connected on the said handle 2 through the 4th bearing pin 26; Said handle 2 is provided with taper knob 3; Said taper knob 3 can prevent that the palm of the hand from skidding and excessive compression, and is convenient and comfortable in the time of use.
Said pull bar telescoping mechanism comprises draw-bar seat 16, hold-doun nut 18, second bearing pin 12, connecting rod 13 and the 3rd bearing pin 14; Said pull bar 9 passes said draw-bar seat 16, and end is fixed on the said hold-doun nut 18; Said hold-doun nut 18 is positioned at the cavity of said draw-bar seat 16, and said one-way clutch 23 is installed in the afterbody of said hold-doun nut 18, and said clutch outer 25 is connected with said draw-bar seat 16 through screw thread; One end of said connecting rod 13 is hinged through the front end of said second bearing pin 12 with said handle 2, and the other end is connected with said draw-bar seat 16 through said the 3rd bearing pin 14.
Said clutch base 24 has pull bar back-moving spring 33 with the interior space mounting of clutch outer 25, and the installing space of said pull bar back-moving spring 33 is the telescopic movable space of said pull bar 9.
Riveting gun seat 1 and back riveting gun seat 15 before said riveting gun seat comprises, said back riveting gun seat 15 is fixed in the cavity of said preceding riveting gun seat 1; Said handle 2 is hinged in the cavity of said back riveting gun seat 15 through said first bearing pin 11.Said back riveting gun seat 15 is provided with the rule 29 of regulating indication, is provided with the pointer corresponding with said rule at the end of said pull bar telescoping mechanism.
Said nut adjusting mechanism comprises that nut is led mouth 5, regulating sleeve 6, regulated nut 7, fixedly sliding sleeve 8 and spring 10; The rear end of said regulating sleeve 6 is provided with external screw thread, the screw-internal thread fit of said externally threaded rear portion and said riveting gun seat front end, the screw-internal thread fit of said externally threaded front portion and said adjusting nut 7; The rear end that said nut is led mouth 5 is connected with the front end of said regulating sleeve 6 through screw thread, and said riveting nut bar 4 passes said nut and leads mouth 5; Said fixedly sliding sleeve 8 is set on the said pull bar 9, and the spring 10 that is positioned at said fixedly sliding sleeve 8 afterbodys is set on the said pull bar 9.The rear end of said riveting nut bar 4 is provided with the inside/outside screw thread; The front end of said pull bar 9 is provided with the outer/inner screw thread that is complementary with it; Said riveting nut bar 4 can be fixed on the front end of said pull bar 9 through the said screw thread that is complementary, and said riveting nut bar 4 and said pull bar 9 have guaranteed the intensity of tension through being threaded; The outside of the rear end of said riveting nut bar 4 is a polygon; The outside of the front end of said pull bar 9 is the polygon identical with the rear end of said riveting nut bar 4; Said fixedly sliding sleeve 8 is set on the said pull bar 9; The polygon of its endoporus for matching with the polygon of said pull bar 9 front ends; The polygon of riveting nut bar 4 and pull bar 9 is set-located through the fixing polygon of sliding sleeve 8; Guaranteed that riveting nut bar 4 and pull bar 9 can not get loose at work, polygon described in the present embodiment is a regular hexagon; Said spring 10 is set on the said pull bar 9; One of which end elasticity is connected to the afterbody of said fixedly sliding sleeve 8; When installation or removal riveting nut bar 4, fixedly sliding sleeve 8 is left behind, after installation or removal riveting nut bar 4 is accomplished; Fixedly sliding sleeve 8 can be returned to original position through the elastic force effect of spring 10, and is very easy to use.Said nut adjusting mechanism also comprises pad, and said pad is arranged between the front end and said adjusting nut 7 of said riveting gun seat.
Be respectively arranged with the through hole 31,32 of fixing a breakdown on said regulating sleeve 6 and the riveting nut bar 4.When in riveted, occurring can't withdrawing from unusually, penetrate in this through hole 31,32 through maintenance tool, the rotation riveting gun withdraws from.
The use of the Nut riveter of the utility model embodiment is following:
1, riveted joint process
Both hands are held handle 2, with handle 2 closures.This moment, the one-way clutch 23 that is set on the pull bar 9 was in open mode, and catch bar 21 will produce rotation, and pull bar 9 does not rotate, and pull bar 9 moves under the effect of pull bar telescoping mechanism backward, with the riveting nut riveted on workpiece.
2, withdraw from process
Both hands are held handle 2, and handle 2 is opened.Steel ball 22 on the catch bar 21 moves in the helicla flute of screw rod 20 at this moment; Because of being arranged with one-way clutch 23 on the screw rod 20; And one-way clutch 23 is in closed condition, and one-way clutch 23 is sheathed with the tail end of pull bar 9, so screw rod 20 will drive pull bar 9 and rotate together.Because the polygon on polygon on the riveting nut bar 4 and the pull bar 9 is set-located through fixing sliding sleeve 8, so pull bar 9 drives riveting nut bars 4 rotation together, and riveting nut bar 4 withdraws from from riveting nut.
3, change riveting nut bar process
Fixedly sliding sleeve 8 pulled backwards make the polygon of riveting nut bar 4 rear ends partly break away from the fixedly endoporus of sliding sleeve 8, and this moment, spring 10 was compressed.Again the front end of riveting nut bar 4 from pull bar 9 screwed out.Then new riveting nut bar is fixed to the front end of pull bar 9 through screw thread.Unclamp fixedly sliding sleeve 8 at last, this moment, fixedly sliding sleeve 8 was returned to original position under the elastic force effect of spring 10, and sliding sleeve 8 is set-located pull bar 9 and new riveting nut bar, the replacing process completion of riveting nut bar.
In addition; In the utility model embodiment; Said back riveting gun seat 15 is provided with regulates indicating graduation chi 29, is provided with the pointer 30 corresponding with said rule 29 at the end of said draw-bar seat 16, and said pointer 30 and rule 29 are used for indicating in the riveted joint process stroke of said riveting nut bar 4.
In the utility model embodiment, the dual-handle Nut riveter of the utility model adopts one-way clutch 23 and withdraws from connecting rod 27, when handle 2 is opened, and 20 rotations of control screw rod, screw rod 20 drives riveting nut bar 4 and withdraws from riveting nut.The utility model in use both hands need not to leave handle 2, and is easy to use riveting and withdrawing from the process and only need can accomplish by operating handle 2, improved operating efficiency.
In addition, when the through hole of fixing a breakdown 32,31 on riveting nut bar 4 and the regulating sleeve 6 can occur can't withdrawing from unusually in riveted, penetrate in this through hole 32,31 through maintenance tool, the rotation riveting gun withdraws from.
The utility model only needs fixedly sliding sleeve 8 to leave behind when changing riveting nut bar 4 to screw out riveting nut bar 4 to get final product, and is easy to use, improved operating efficiency; And riveting nut bar 4 and pull bar 9 have guaranteed the intensity of tension through being threaded; In addition, the polygon of riveting nut bar 4 and pull bar 9 is set-located through the fixing polygon of sliding sleeve 8, has guaranteed can not get loose at work.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (10)
1. dual-handle Nut riveter; It is characterized in that; Said Nut riveter comprises: the riveting gun seat, be arranged on the nut adjusting mechanism of said riveting gun seat front end, and be installed on the riveting nut bar in the said nut adjusting mechanism; Front end respectively at two grip that mating holes and this riveting gun seat of said riveting gun seat both sides is hinged, is connected the terminal pull bar telescoping mechanism of pull bar through first bearing pin; Said riveting nut bar is fixed on the front end of said pull bar;
Said Nut riveter also comprises one-way clutch and the clutch outer that is connected with said pull bar telescoping mechanism, and said one-way clutch is fixed in the clutch base, and said one-way clutch seat is connected with screw rod through the 6th bearing pin; Said screw rod is arranged with the screw rod overcoat outward, and an end of said screw rod overcoat is fixed on the said clutch outer through screw thread; Be arranged with catch bar on the said screw rod and between the screw rod overcoat, an end of said catch bar stud with said screw rod in the steel ball that cooperates of helicla flute, the other end of said catch bar is connected and withdraws from the pole socket; The said pole socket that withdraws from is connected through the 5th bearing pin and withdraws from the connecting rod, and the said connecting rod that withdraws from is connected on the said handle through the 4th bearing pin.
2. dual-handle Nut riveter as claimed in claim 1 is characterized in that, said pull bar telescoping mechanism comprises draw-bar seat, hold-doun nut, second bearing pin, connecting rod and the 3rd bearing pin;
Said pull bar passes said draw-bar seat, and end is fixed on the said hold-doun nut; Said hold-doun nut is positioned at the cavity of said draw-bar seat, and said one-way clutch is installed in the afterbody of said hold-doun nut, and said clutch outer is connected with said draw-bar seat through screw thread;
One end of said connecting rod is hinged through the front end of said second bearing pin and said handle, and the other end is connected with said draw-bar seat through said the 3rd bearing pin.
3. dual-handle Nut riveter as claimed in claim 1 is characterized in that, the interior space mounting of said clutch base and clutch outer has the pull bar back-moving spring, and the installing space of said pull bar back-moving spring is the telescopic movable space of said pull bar.
4. dual-handle Nut riveter as claimed in claim 1 is characterized in that, riveting gun seat and back riveting gun seat before said riveting gun seat comprises, and said back riveting gun seat is fixed in the cavity of said preceding riveting gun seat; Said handle is hinged in the cavity of said back riveting gun seat through said first bearing pin.
5. dual-handle Nut riveter as claimed in claim 4 is characterized in that, said back riveting gun seat is provided with the rule of regulating indication, is provided with the pointer corresponding with said rule at the end of said pull bar telescoping mechanism.
6. dual-handle Nut riveter as claimed in claim 1 is characterized in that, said nut adjusting mechanism comprises that nut leads mouth, regulating sleeve, adjusting nut, fixedly sliding sleeve and spring;
The rear end of said regulating sleeve is provided with external screw thread, the screw-internal thread fit of said externally threaded rear portion and said riveting gun seat front end, the screw-internal thread fit of said externally threaded front portion and said adjusting nut;
The rear end that said nut is led mouth is connected with the front end of said regulating sleeve through screw thread, and said riveting nut bar passes said nut and leads mouth;
Said fixedly sliding sleeve is set on the said pull bar, and the spring housing that is positioned at said fixedly sliding sleeve afterbody is located on the said pull bar.
7. dual-handle Nut riveter as claimed in claim 6; It is characterized in that; The rear end of said riveting nut bar is provided with the inside/outside screw thread, and the front end of said pull bar is provided with the outer/inner screw thread that is complementary with it, and said riveting nut bar can be fixed on the front end of said pull bar through the said screw thread that is complementary;
The outside of the rear end of said riveting nut bar is a polygon; The outside of the front end of said pull bar is the polygon identical with the rear end of said riveting nut bar; Said fixedly sliding sleeve is set on the said pull bar, the polygon of its endoporus for matching with the polygon of said pull bar front end;
Said spring housing is located on the said pull bar, and one of which end elasticity is connected to the afterbody of said fixedly sliding sleeve.
8. dual-handle Nut riveter as claimed in claim 7 is characterized in that, said polygon is a regular hexagon.
9. like each described dual-handle Nut riveter of claim 6 to 8, it is characterized in that, be respectively arranged with the through hole of fixing a breakdown on said regulating sleeve and the riveting nut bar.
10. like each described dual-handle Nut riveter of claim 1 to 8, said handle is provided with taper knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120376826XU CN202270922U (en) | 2011-09-29 | 2011-09-29 | Double-handle type riveting nut gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120376826XU CN202270922U (en) | 2011-09-29 | 2011-09-29 | Double-handle type riveting nut gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202270922U true CN202270922U (en) | 2012-06-13 |
Family
ID=46191308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120376826XU Withdrawn - After Issue CN202270922U (en) | 2011-09-29 | 2011-09-29 | Double-handle type riveting nut gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202270922U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389937A (en) * | 2011-09-29 | 2012-03-28 | 余姚唐文工具有限公司 | Double-handle type rivet nut gun |
| CN103286254A (en) * | 2013-06-07 | 2013-09-11 | 翟潇 | Electric rivet pulling device |
-
2011
- 2011-09-29 CN CN201120376826XU patent/CN202270922U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102389937A (en) * | 2011-09-29 | 2012-03-28 | 余姚唐文工具有限公司 | Double-handle type rivet nut gun |
| CN102389937B (en) * | 2011-09-29 | 2014-02-12 | 余姚唐文工具有限公司 | Double-handle type rivet nut gun |
| CN103286254A (en) * | 2013-06-07 | 2013-09-11 | 翟潇 | Electric rivet pulling device |
| CN103286254B (en) * | 2013-06-07 | 2015-07-01 | 翟潇 | Electric rivet pulling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120613 Effective date of abandoning: 20140212 |
|
| RGAV | Abandon patent right to avoid regrant |