CN204640082U - Accurate torsion limits spanner - Google Patents
Accurate torsion limits spanner Download PDFInfo
- Publication number
- CN204640082U CN204640082U CN201520253390.3U CN201520253390U CN204640082U CN 204640082 U CN204640082 U CN 204640082U CN 201520253390 U CN201520253390 U CN 201520253390U CN 204640082 U CN204640082 U CN 204640082U
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- torsion
- spanner
- limits
- wrenching bar
- groove
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 48
- 230000009467 reduction Effects 0.000 claims description 18
- 125000006850 spacer group Chemical group 0.000 claims description 15
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Landscapes
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a kind of accurately torsion and limit spanner, comprise leader, a wrenching bar and a torsion and limit mechanism; Described handle inside forms mounting groove, and form the installing hole be communicated with described mounting groove bottom described handle, described wrenching bar first end is limited in mounting groove by described installing hole; Described torsion limits mechanism and is installed in described mounting groove, and described handle limits mechanism by described torsion and described wrenching bar is in transmission connection, and described wrenching bar second end forms spanner and stretches out from described installing hole.Limit spanner owing to have employed the accurate torsion of one of the present utility model, have that accuracy is high, torsion adjustable extent is large, structure is simple, cost is low, applied widely and use link service free, advantage that later stage use cost is low.
Description
Technical field
The utility model relates to a kind of torque spanner, particularly relates to a kind of accurately torsion and limits spanner.
Background technology
The existing torque spanner in market is all use mechanical ratchet wheel slipping device to realize torsion restriction, after environment for use badly or repeatedly uses, the precise decreasing of ratchet slipping device, cannot ensure that spanner continues the torque range work according to design, no matter actual torsion rises or declines, adverse consequences is caused to practical application in capital, and actual torsion change time of origin and changing value cannot estimate.Meanwhile, the existing ratchet torque wrench complex structure in market, cost of manufacture is high; Enter actual use link and must ensure regularly to carry out to check to reject the spanner that torsion changes, use cost is also very high, is unfavorable for promoting the use of on a large scale.
In addition, existing torque spanner is a corresponding application target usually, and torsion is non-adjustable or scope of compromise is little, and therefore the scope of application is single.
Summary of the invention
The purpose of this utility model is the defect overcoming prior art, and provide a kind of accurately torsion to limit spanner, have that accuracy is high, torsion adjustable extent is large, structure is simple, cost is low, applied widely and use link service free, advantage that later stage use cost is low.
The technical scheme realizing above-mentioned purpose is:
The accurate torsion of one of the present utility model limits spanner, comprises leader, a wrenching bar and a torsion and limits mechanism; Described handle inside forms mounting groove, and form the installing hole be communicated with described mounting groove bottom described handle, described wrenching bar first end is limited in mounting groove by described installing hole; Described torsion limits mechanism and is installed in described mounting groove, and described handle limits mechanism by described torsion and described wrenching bar is in transmission connection, and described wrenching bar second end forms spanner and stretches out from described installing hole.
Further improvement of the utility model is, described torsion limits mechanism and comprises one first and twist off block, one second and twist off block, at least one from part and a reset assembly, describedly in the middle part of part, forms weak point; Described first twists off block is fixed on described handle and bottom formation one first slot; Described wrenching bar first end forms described second and twists off block, and described second twists off block top forms one second slot, is inserted in described first slot, is inserted in described second slot described in this from the bottom of part described in one from the top of part; Described reset assembly is arranged between described wrenching bar and described handle.
Further improvement of the utility model is, described torsion limits mechanism and also comprises a centre pedestal, and described centre pedestal hollow is also sheathed on described first and twists off block, described second and twist off described in block and one outer and be fixed in described mounting groove from part.
Further improvement of the utility model is, also comprises a feeding mechanism, describedly inserts described first slot and described second slot from part successively by described feeding mechanism.
Further improvement of the utility model is, described feeding mechanism comprises: a propelling spring, described centre pedestal and a spacer pin; Described handle forms vertical with the axis of described centre pedestal one and advances groove, two corresponding gathering sills are formed on the top of the propelling groove of described handle and bottom, described gathering sill notch position is corresponding with described first slot or described second slot notch position, and the described top from part and bottom can be inserted in corresponding described gathering sill and slide along corresponding described gathering sill; Described centre pedestal both sides form the opening coordinated with described propelling groove and described gathering sill; Described spacer pin to be fixed in described centre pedestal by two ends and the weak point be arranged in from part described in is spacing from part to this; Described propelling spring is arranged at described propelling groove and is installed with in described between part and described propelling groove end.
Further improvement of the utility model is, the distance described in two between gathering sill concave surface is greater than the described height from part, and the height of described propelling groove is less than the described height from part.
Further improvement of the utility model is, also comprises two end caps, described propelling groove both ends open, and described end cap is removably fixedly covered in described propelling groove two ends.
Further improvement of the utility model is, described reset assembly comprises a reset limit base and a reduction torsion spring, and described reset limit base is sheathed on described wrenching bar first end and spacing to described wrenching bar first end circumference by the spacing hole being formed at middle part; Described reduction torsion spring is sheathed on described wrenching bar first end and two torque arm of described reduction torsion spring are individually fixed in described handle and described reset limit base; At least one rotating gravure is formed on the bottom of described centre pedestal, and at least one spacing preiection is formed on described reset limit base top; Described spacing preiection is arranged in described rotating gravure.
Further improvement of the utility model is, described wrenching bar periphery forms a limited ring groove, and a limiting card spring buckle is buckled in described limited ring groove, and described wrenching bar first end is limited in described mounting groove by described spacing jump ring and described installing hole.
Further improvement of the utility model is, described first twists off block top forms cap body, and described cap body covers described mounting groove upper opening.
The utility model is owing to have employed above technical scheme, and making it have following beneficial effect is:
Handle limits mechanism by described torsion and described wrenching bar is in transmission connection, and the torsion achieved when spanner uses limits.First twists off block, second twists off block for fixing from part upper and lower side entering operating position, first twists off block, second twists off block and the cooperation from part, when making the torsion when using spanner be greater than a preset value, rupture under first twists off block and second twists off the effect of block torsion from the weak point of part, thus disconnecting the conduction of power between wrenching bar and handle, the active force removing spanner reaches the effect of torsion restriction.Being adopted as of centre pedestal provides working space from part, and makes the installation of each assembly more convenient.The employing of feeding mechanism achieves send sheet automatically from part, namely automatically operating position will be pushed to from part, simultaneously when when adopting plural pieces from part, last after part forced breakage, feeding mechanism releases operating position next is pushed operating position from part automatically by fracture from part, makes spanner can continuous operation.The cooperation of propelling spring and gathering sill achieves the automatic propelling from part.Advance being adopted as propelling spring and providing placement space from part of groove.Centre pedestal both sides form the opening coordinated with described propelling groove and described gathering sill and ensure that the working space that can to enter smoothly under the promotion of part at propelling spring in centre pedestal; Gathering sill notch position is corresponding with the first slot or the second slot notch position ensure that the first slot and the second slot successfully can be inserted automatically in the top from part that enters centre pedestal and bottom.Spacer pin be used for do not rupture enter centre pedestal carry out spacing from part, make it be fixed on suitable operating position.Distance described in two between gathering sill concave surface is greater than the described height from part, successfully centre pedestal can be released up and down from spacer pin under the thrust of the propelling spring of centre pedestal side after ensure that sheet fracture of autotomying, enter in the propelling groove of centre pedestal opposite side, what advance for next has vacateed space from part.The height of propelling groove is less than the height from part, when being inserted in gathering sill from part, can ensure can not deviate from self-steering groove from part, ensures to advance from the stable smoothly of part.The employing of end cap achieves easily from the replacing of part, comprises the interpolation of not rupturing from part and replaces and rupture from the concentrated removal of part.Reduction torsion spring is that reset assembly provides reset power.Reset limit base, reduction torsion spring and centre pedestal cooperatively interact and realize the spinning reduction of wrenching bar.The cooperation of spacing jump ring and installing hole realizes spacing at handle of wrenching bar first end.Cap body covers described mounting groove upper opening, ensure that the clean of handle inside, ensure that the stability of spanner work, enhance the external appearance of product simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation that the accurate torsion of the utility model limits the first direction of spanner;
Fig. 2 is the structural representation that the accurate torsion of the utility model limits the second direction of spanner;
Fig. 3 is the explosive view that the accurate torsion of the utility model limits spanner;
Fig. 4 is the grip structure schematic diagram that the accurate torsion of the utility model limits spanner;
Fig. 5 is the plan structure schematic diagram that the accurate torsion of the utility model limits the reset limit base of spanner;
Fig. 6 be the accurate torsion of the utility model limit the centre pedestal of spanner face structural representation;
Fig. 7 is the side-looking structural representation that the accurate torsion of the utility model limits the centre pedestal of spanner.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is described in further detail.
Refer to Fig. 1,2, the accurate torsion of one of the present utility model limits spanner, comprises leader 1, wrenching bar 2 and torsion restriction mechanism 3; Handle 1 limits mechanism 3 by torsion and is in transmission connection with wrenching bar 2.Handle 1 limits mechanism 3 by torsion and is in transmission connection with wrenching bar 2, and the torsion achieved when the utility model uses limits.
Refer to Fig. 3,4, handle 1 inside forms mounting groove 11, and form the installing hole 111 be communicated with mounting groove 11 bottom handle 1, wrenching bar 2 first end is limited in mounting groove 11 by installing hole 111; Torsion limits mechanism 3 and is installed in mounting groove 11, and wrenching bar 2 second end forms spanner and stretches out from installing hole 111.
Torsion limits mechanism 3 and comprises one first and twist off block 31,1 second and twist off block 21, at least one from part 32 and a reset assembly, forms weak point 321 in the middle part of part 32; First twists off block 31 is fixed on handle 1 and bottom formation one first slot 311; Wrenching bar 2 first end forms second and twists off block 21, and second twists off block 21 top formation one second slot 211, is inserted in the first slot 311 from the top of part 32, should be inserted in the second slot 211 from the bottom of part 32; Reset assembly is arranged between wrenching bar 2 and handle 1.
First twists off block 31, second twists off block 21 for fixing from part 32 upper and lower side entering operating position, first twists off block 31, second twists off block 21 and the cooperation from part 32, when making the torsion when using spanner be greater than a preset value, rupture under first twists off block 31 and second twists off the effect of block 21 torsion from the weak point 321 of part 32, thus disconnecting the conduction of power between wrenching bar 2 and handle 1, the active force removing spanner reaches the effect of torsion restriction.
Refer to Fig. 3, torsion limits mechanism 3 and also comprises a centre pedestal 33, and centre pedestal 33 hollow is also sheathed on first and twists off block 31, second and twist off block 21 and outer and be fixed in mounting groove 11 from part 32.Being adopted as of centre pedestal 33 provides working space from part 32, and makes the installation of each assembly more convenient.
Also comprise a feeding mechanism 4, insert the first slot 311 and the second slot 211 from part 32 successively by feeding mechanism 4.The employing of feeding mechanism 4 achieves send sheet automatically from part 32, namely automatically operating position will be pushed to from part 32, simultaneously when when adopt plural pieces from part 32, last after part 32 forced breakage, feeding mechanism 4 releasing operating position from part 32 and next is pushed operating position from part 32 automatically by fracture, make spanner can continuous operation.
Refer to Fig. 3, Fig. 6, Fig. 7, feeding mechanism 4 comprises: a propelling spring 41, centre pedestal 33 and a spacer pin 42; Handle 1 forms vertical with the axis of centre pedestal 33 one and advances groove 12, two corresponding gathering sills 13 are formed on the top of the propelling groove 12 of handle 1 and bottom, gathering sill 13 notch position is corresponding with the first slot 311 or the second slot 211 notch position, can be inserted in corresponding gathering sill 13 and slide along corresponding gathering sill 13 from the top of part 32 and bottom; Centre pedestal 33 both sides are formed and the through hole 331 advancing groove 12 and gathering sill 13 to coordinate; In the present embodiment, centre pedestal 33 is formed with a pair spacer pin installing hole 332, and spacer pin 42 two ends to be fixed in centre pedestal 33 by spacer pin installing hole 332 and to be arranged in one spacing from part 32 to this from the weak point 321 of part 32; Propelling spring 41 is arranged at and advances groove 12 and be installed with in from part 32 and advance between groove 12 end.
The cooperation of propelling spring 41 and gathering sill 13 achieves the automatic propelling from part 32.Advance being adopted as propelling spring 41 and providing placement space from part 32 of groove 12.Centre pedestal 33 both sides form the working space that to ensure that with propelling groove 12 and the through hole 331 that coordinates of gathering sill 13 and can to enter smoothly under the promotion of propelling spring 41 from part 32 in centre pedestal 33; Gathering sill 13 notch position is corresponding with the first slot 311 or the second slot 211 notch position ensure that the top from part 32 that enters centre pedestal 33 and bottom successfully can insert the first slot 311 and the second slot 211 automatically.Spacer pin 42 for do not rupture enter centre pedestal 33 carry out spacing from part 32, make it be fixed on suitable operating position.
Distance between two gathering sill 13 concave surfaces is greater than the height from part 32, and the height of propelling groove 12 is less than the height from part 32.
Distance between two gathering sill 13 concave surfaces is greater than the height from part 32, ensure that from part 32 rupture after can under the thrust of the propelling spring 41 of centre pedestal 33 side from spacer pin 42 up and down successfully release centre pedestal 33, enter in the propelling groove 12 of centre pedestal 33 opposite side, what advance for next has vacateed space from part 32.The height of propelling groove 12 is less than the height from part 32, when being inserted in gathering sill 13 from part 32, can ensure can not deviate from self-steering groove 13 from part 32, ensures to advance from the stable smoothly of part 32.
Also comprise two end caps 5, advance groove 12 both ends open, end cap 5 is removably fixedly covered in and advances groove 12 two ends.In the present embodiment, end cap 5 is threaded with propelling groove 12 both ends open.The employing of end cap 5 achieves easily from the replacing of part 32, comprises the interpolation of not rupturing from part 32 and replaces and rupture from the concentrated removal of part 32.
Refer to Fig. 3, Fig. 5, Fig. 6, reset assembly comprises reset limit base 61 and a reduction torsion spring 62, and reset limit base 61 is sheathed on wrenching bar 2 first end and spacing to wrenching bar 2 first end circumference by the spacing hole 611 being formed at middle part; In the present embodiment, spacing hole 611 shape as shown in Figure 5, and in other embodiments, spacing hole 611 and wrenching bar 2 first end also can adopt other can the spacing shape of circumference mutually.In the present embodiment, reset limit base 61 also forms a reduction torsion spring installing hole 613, form another reduction torsion spring installing hole 613 bottom mounting groove 11, reduction torsion spring 62 is sheathed on wrenching bar 2 first end and two torque arm of reduction torsion spring 62 are fixed on handle 1 and reset limit base 61 respectively by two reduction torsion spring installing holes 613; At least one rotating gravure 333 is formed on the bottom of centre pedestal 33, and at least one spacing preiection 612 is formed on reset limit base 61 top; Spacing preiection 612 is arranged in rotating gravure 333.
Reduction torsion spring 62 provides reset power for reset assembly.Reset limit base 61, reduction torsion spring 62 and centre pedestal 33 cooperatively interact and realize the spinning reduction of wrenching bar 2.
Wrenching bar 2 periphery forms spacing jump ring 7 hoop of a limited ring groove 22, and is buckled in limited ring groove 22, and wrenching bar 2 first end is limited in mounting groove 11 by spacing jump ring 7 and installing hole 111.The cooperation of spacing jump ring 7 and installing hole 111 realizes spacing at handle 1 of wrenching bar 2 first end.
First twists off block 31 top forms cap body, and cap body covers mounting groove 11 upper opening.Cap body covers mounting groove 11 upper opening, ensure that the clean of handle 1 inside, ensure that the stability of spanner work, enhance the external appearance of product simultaneously.
The utility model can work according to following mode:
Refer to Fig. 3, to select according to actual needs under a target torque active force can precise breakage from part 32, the end cap 5 opening centre pedestal 33 first side takes out propelling spring 41, gathering sill 13 is inserted at the multiple two ends up and down from part 32 selected successively, propelling spring 41 is reloaded the propelling groove 12 of the first side, and cover the end cap 5 at this place.Move to centre pedestal 33 direction under the effect that pushes of part 32 at propelling spring 41, enter centre pedestal 33 after weak point 321 effect lower limit at spacer pin 42 after from part 32 one of the queue head that advances from part 32 until be positioned at, halt from part 32 queue, the utility model now can be adopted normally to work.
During use, first wrenching bar 2 second end is aimed at rolling target thing, then user of service exerts a force along a direction of rotation to handle 1, be fixed on first of handle 1 twist off block 31 this power is sent to be inserted in the first slot 311 from part 32 upper end, simultaneously twist off by second the rotational resistance that block 21 is subject to coming from object from part 32 lower end, namely be now subject to from part 32 two ends twisting off from first the reverse torsion that block 31 and second twists off block 21 simultaneously, as this torsion is less than target torque, can not rupture from part 32 and drive wrenching bar 2 to rotate along staff's force direction, realizing rotating the limiter of object, as this torsion is greater than target torque, rupture along weak point 32 under the effect of part 32 at this torsion, wrenching bar 2 is no longer by the transmission of handle 1, after user of service unclamps the connection of wrenching bar 2 second end and rolling target thing, wrenching bar 2 resets under the effect of reset assembly, and post-rift from part 32 first half and Lower Half at the follow-up propelling groove 12 entering centre pedestal 33 second side under the effect that pushes of part 32 from the top and the bottom of spacer pin 42, follow-up one enters centre pedestal 33 from part 32 and enters operating position in the effect lower limit of spacer pin 42, now the utility model can work on again again.In addition, the end cap 5 by opening centre pedestal 33 second side concentrate removal second thruster to enter to have ruptured in groove from part 32 fragment.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain of the present utility model.
Claims (10)
1. accurate torsion limits a spanner, it is characterized in that, comprises leader, a wrenching bar and a torsion and limits mechanism; Described handle inside forms mounting groove, and form the installing hole be communicated with described mounting groove bottom described handle, described wrenching bar first end is limited in mounting groove by described installing hole; Described torsion limits mechanism and is installed in described mounting groove, and described handle limits mechanism by described torsion and described wrenching bar is in transmission connection, and described wrenching bar second end forms spanner and stretches out from described installing hole.
2. accurate torsion according to claim 1 limits spanner, it is characterized in that: described torsion limits mechanism and comprises one first and twist off block, one second and twist off block, at least one from part and a reset assembly, describedly in the middle part of part, forms weak point; Described first twists off block is fixed on described handle and bottom formation one first slot; Described wrenching bar first end forms described second and twists off block, and described second twists off block top forms one second slot, is inserted in described first slot, is inserted in described second slot described in this from the bottom of part described in one from the top of part; Described reset assembly is arranged between described wrenching bar and described handle.
3. accurate torsion according to claim 2 limits spanner, it is characterized in that: described torsion limits mechanism and also comprises a centre pedestal, described centre pedestal hollow is also sheathed on described first and twists off block, described second and twist off described in block and one outer and be fixed in described mounting groove from part.
4. accurate torsion according to claim 3 limits spanner, it is characterized in that: also comprise a feeding mechanism, describedly inserts described first slot and described second slot from part successively by described feeding mechanism.
5. accurate torsion according to claim 4 limits spanner, it is characterized in that: described feeding mechanism comprises: a propelling spring, described centre pedestal and a spacer pin; Described handle forms vertical with the axis of described centre pedestal one and advances groove, two corresponding gathering sills are formed on the top of the propelling groove of described handle and bottom, described gathering sill notch position is corresponding with described first slot or described second slot notch position, and the described top from part and bottom can be inserted in corresponding described gathering sill and slide along corresponding described gathering sill; Described centre pedestal both sides form the through hole coordinated with described propelling groove and described gathering sill; Described spacer pin to be fixed in described centre pedestal by two ends and the weak point be arranged in from part described in is spacing from part to this; Described propelling spring is arranged at described propelling groove and is installed with in described between part and described propelling groove end.
6. accurate torsion according to claim 5 limits spanner, it is characterized in that: the distance described in two between gathering sill concave surface is greater than the described height from part, and the height of described propelling groove is less than the described height from part.
7. accurate torsion according to claim 6 limits spanner, and it is characterized in that: also comprise two end caps, described propelling groove both ends open, described end cap is removably fixedly covered in described propelling groove two ends.
8. the accurate torsion according to any one of claim 3-7 limits spanner, it is characterized in that: described reset assembly comprises a reset limit base and a reduction torsion spring, described reset limit base is sheathed on described wrenching bar first end and spacing to described wrenching bar first end circumference by the spacing hole being formed at middle part; Described reduction torsion spring is sheathed on described wrenching bar first end and two torque arm of described reduction torsion spring are individually fixed in described handle and described reset limit base; At least one rotating gravure is formed on the bottom of described centre pedestal, and at least one spacing preiection is formed on described reset limit base top; Described spacing preiection is arranged in described rotating gravure.
9. accurate torsion according to claim 8 limits spanner, it is characterized in that: described wrenching bar periphery forms a limited ring groove, one limiting card spring buckle is buckled in described limited ring groove, and described wrenching bar first end is limited in described mounting groove by described spacing jump ring and described installing hole.
10. accurate torsion according to claim 9 limits spanner, it is characterized in that: described first twists off block top forms cap body, and described cap body covers described mounting groove upper opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520253390.3U CN204640082U (en) | 2015-04-21 | 2015-04-21 | Accurate torsion limits spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520253390.3U CN204640082U (en) | 2015-04-21 | 2015-04-21 | Accurate torsion limits spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204640082U true CN204640082U (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520253390.3U Withdrawn - After Issue CN204640082U (en) | 2015-04-21 | 2015-04-21 | Accurate torsion limits spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204640082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141979A (en) * | 2015-04-21 | 2016-11-23 | 金晴宇 | Accurate torsion limits spanner |
-
2015
- 2015-04-21 CN CN201520253390.3U patent/CN204640082U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106141979A (en) * | 2015-04-21 | 2016-11-23 | 金晴宇 | Accurate torsion limits spanner |
| CN106141979B (en) * | 2015-04-21 | 2018-03-09 | 麦递途医疗科技（上海）有限公司 | Accurate torsion limits spanner |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171013 Address after: 201806 Shanghai Jiading District Bao Qian highway 4585, 4 buildings, 2 layers Patentee after: Link medical technology (Shanghai) Co., Ltd. Address before: 200237 room 13, No. 288 Lane 1301, Lianhua Road, Shanghai, Minhang District Patentee before: Jin Qingyu |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150916 Effective date of abandoning: 20180309 |