CN112775881A - Spanner of mobile regulation - Google Patents
Spanner of mobile regulation Download PDFInfo
- Publication number
- CN112775881A CN112775881A CN202011553036.4A CN202011553036A CN112775881A CN 112775881 A CN112775881 A CN 112775881A CN 202011553036 A CN202011553036 A CN 202011553036A CN 112775881 A CN112775881 A CN 112775881A
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- CN
- China
- Prior art keywords
- wrench
- spanner
- wrench body
- teeth
- adjusting
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- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/58—Jaw attachments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/16—Handles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses a wrench capable of being movably adjusted, which comprises a wrench handle I, a wrench handle II, a wrench body I and a wrench body II, wherein a portable hole is formed in one side of the wrench handle I. Has the advantages that: through setting up spanner hand (hold one, spanner hand (hold two and flexible guide bar), can realize that spanner hand (hold) two slides along flexible guide bar, can be under the condition that need not increase outside extension sleeve pipe the output torque of increase spanner, convenience and practicality, adjust the pole through rotating the spanner opening and closing and realize the regulation to spanner adjusting block interval, and then press from both sides the bolt through three locking draw-in groove, can increase the cohesion between spanner and the bolt, promote operation process's stability, output direction through this spanner application torque of moment direction adjust knob control, because it adopts the output of the single direction of moment, can install and disassemble the in-process of bolt and need not lift the spanner off and can accomplish, time saving and labor saving.
Description
Technical Field
The invention relates to the technical field of adjustable wrenches, in particular to a wrench capable of being movably adjusted.
Background
The wrench is a common mounting and dismounting tool, which is a manual tool for tightly clamping the opening or trepanning of a bolt and a nut by utilizing the lever principle to twist and turn the bolt, the screw, the nut and other threads, and the opening or trepanning firmware of the nut are usually arranged at one end or two ends of a handle part, when in use, external force is applied to the handle part along the thread rotating direction, so that the bolt or the nut can be twisted and turned, but when the existing movably adjustable wrench is in use and needs to output larger torque, tools such as an external lengthened sleeve and the like are needed, the use is extremely inconvenient, meanwhile, when the existing movably adjustable wrench is used for locking the nut, the two surfaces are mostly clamped, the clamping force is relatively small, the operation process is unstable, and when the bolt is mounted and disassembled, because the existing wrench adopts an integral structure, the output direction of the torque can not be controlled, therefore, the fixing operation of the single bolt can be completed after the wrench is repeatedly dismounted and mounted, and the operation process is time-consuming and labor-consuming.
Disclosure of Invention
The present invention is directed to solving the above problems by providing a wrench that is movably adjustable.
The invention realizes the purpose through the following technical scheme:
a wrench capable of being movably adjusted comprises a first wrench handle, a second wrench handle, a first wrench body and a second wrench body, wherein a portable hole is formed in one side of the first wrench handle, the second wrench handle is arranged on the other side of the first wrench handle, guide holes are formed in the first wrench handle and the second wrench handle, guide limit blocks are arranged in the guide holes, telescopic guide rods are arranged between the guide limit blocks, a first wrench body is formed on one side of the second wrench handle, a torque direction adjusting knob is arranged above the first wrench body, a direction mark is arranged on one side of the torque direction adjusting knob, a second slider is arranged below the wrench body, a second circular slide rail is arranged below the second slider, a third wrench body is arranged below the second circular slide rail, and a ratchet wheel is arranged in the middle of the upper end of the third wrench body, a linking buckle is arranged on one side of the ratchet wheel, top plates are arranged on both sides of the linking buckle, a second wrench body is arranged below the third wrench body, a wrench opening and closing adjusting rod is arranged on the side wall of the wrench body II, a T-shaped groove is formed below the wrench body II, a wrench adjusting slide block is arranged in the T-shaped groove, a locking clamping groove is formed below one side of the wrench adjusting slide block, the upper part of the wrench adjusting sliding block is formed with a sliding block circumference end tooth, the interior of the wrench body II is provided with a middle gear tooth support, gear tooth circumferential end teeth are formed below the middle gear tooth support, gear tooth radial end teeth are formed on the periphery above the middle gear tooth support, the gear tooth radial end teeth are provided with opening and closing adjusting gears, the middle part of the upper end of the middle gear tooth support is provided with a first circular sliding rail, and a second sliding block is arranged above the first circular sliding rail.
Furthermore, the direction stopper with guiding hole sliding connection, the direction stopper with flexible guide bar passes through the screw connection.
Furthermore, the torque direction adjusting knob is rotatably connected with the wrench body.
Further, the first wrench body is connected with the second sliding block through screws, the third wrench body is connected with the second circular sliding rail through screws, and the second circular sliding rail is connected with the second sliding block in a sliding mode.
Further, the ratchet with spanner body tee bend is crossed key-type connection, the ratchet with the roof overlap joint, the roof with link knot welding, link knot with moment direction adjust knob passes through screwed connection.
Further, spanner body two with spanner body tee bend is passed through the screw connection, spanner adjusting slide with T type groove sliding connection.
Furthermore, the middle gear tooth support is connected with the first circular sliding rail through a screw, the third wrench body is connected with the first sliding block through a screw, and the first circular sliding rail is connected with the first sliding block in a sliding mode.
Furthermore, the wrench opening and closing adjusting rod is rotatably connected with the wrench body II, and the wrench opening and closing adjusting rod is connected with the opening and closing adjusting gear through a key.
Further, the opening and closing adjusting gear is meshed with the radial end teeth of the gear teeth.
Further, the gear teeth circumference end teeth are meshed with the sliding block circumference end teeth.
The specific working principle is as follows: when the adjusting device is used, firstly, the distance between the wrench adjusting slide blocks is adjusted by rotating the wrench opening and closing adjusting rod according to the size of a bolt to be detached or installed, the wrench opening and closing adjusting rod is matched with the size of the bolt, when the wrench opening and closing adjusting rod is rotated in the adjusting process, the opening and closing adjusting gear rotates and is meshed with the radial end teeth of the gear teeth to transmit power to the middle gear tooth support, the middle gear tooth support rotates to transmit power to the wrench adjusting slide blocks through the circumferential end teeth of the gear teeth and the circumferential end teeth of the slide blocks, so that the wrench adjusting slide blocks are controlled to move, the distance between the locking clamping grooves is adjusted, meanwhile, the torque output direction is adjusted through the torque direction adjusting knob to control the installation and disassembly operation of the bolt, and the torque direction adjusting knob can respectively control the top plates on two sides of the link buckle to be matched with the ratchet wheel to realize the disassembly operation Control torque can only transmit to the unidirectional flux, at the installation with disassemble the in-process of bolt, control this spanner can only transmit torque to the unidirectional flux, just so can realize in reciprocating duty cycle, need not dismouting spanner can accomplish the installation to the bolt and disassemble the operation, labour saving and time saving, when the great moment of torsion of needs transmission, can pass through the pulling spanner hand (hold) one the direction stopper and under the effect of flexible guide bar, control spanner hand (hold) one with the separation of spanner hand (hold) two realizes the extension to the spanner hand (hold), just can export great moment under the outside extension sleeve pipe's that does not need to increase condition, convenient and practical.
The invention has the beneficial effects that:
1. by arranging the first wrench handle, the second wrench handle and the telescopic guide rod, the second wrench handle can slide along the telescopic guide rod, the output torque of the wrench can be increased under the condition that an external lengthened sleeve is not needed to be added, and the novel wrench is convenient and practical;
2. by arranging the wrench opening and closing adjusting rod, the middle gear support and the wrench adjusting slide block, the distance between the wrench adjusting slide blocks can be adjusted by rotating the wrench opening and closing adjusting rod, and then the bolt is clamped through the three locking clamping grooves, so that the binding force between the wrench and the bolt can be increased, and the stability of the operation process is improved;
3. through setting up moment direction adjust knob, ratchet and roof, can control the output direction of this spanner effect moment through moment direction adjust knob, because it adopts the output of moment single direction, can install and disassemble the in-process of bolt and need not lift off the spanner and can accomplish labour saving and time saving.
Drawings
FIG. 1 is a front view of a movably adjustable wrench of the present invention;
FIG. 2 is a bottom view of a movably adjustable wrench of the present invention;
FIG. 3 is a schematic view of a connection relationship between a first wrench handle and a second wrench handle of the movably adjustable wrench of the present invention;
FIG. 4 is a front sectional view of a first wrench body, a second wrench body and a third wrench body of the movably adjustable wrench of the present invention;
FIG. 5 is a partially enlarged view of an adjustment slider portion of the wrench of the movably adjustable wrench of the present invention;
FIG. 6 is a schematic view of the connection between the ratchet, the top plate and the link buckle of the adjustable wrench according to the present invention.
The reference numerals are explained below:
1. a first spanner handle; 2. a second spanner handle; 3. a portable hole; 4. a telescopic guide rod; 5. a guide limiting block; 6. a guide hole; 7. a first wrench body; 8. a torque direction adjusting knob; 9. direction identification; 10. the wrench opens and closes the adjusting rod; 11. a second wrench body; 12. a T-shaped groove; 13. a wrench adjusting slide block; 14. locking the clamping groove; 15. circumferential end teeth of the sliding block; 16. supporting the middle gear teeth; 17. gear teeth circumferential end teeth; 18. gear tooth radial end teeth; 19. an opening and closing adjusting gear; 20. a wrench body III; 21. a first sliding block; 22. a first circular slide rail; 23. a ratchet wheel; 24. a top plate; 25. a chain connecting buckle; 26. a second circular slide rail; 27. and a second sliding block.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-6, a wrench capable of being movably adjusted includes a first wrench handle 1, a second wrench handle 2, a first wrench body 7 and a second wrench body 11, a portable hole 3 is formed at one side of the first wrench handle 1, the second wrench handle 2 is disposed at the other side of the first wrench handle 1, guide holes 6 are formed in the first wrench handle 1 and the second wrench handle 2, a guide stopper 5 is disposed in the guide hole 6, the guide holes 6 provide guidance for the movement of the guide stopper 5, so as to control the first wrench handle 1 to separate from the second wrench handle 2, and further control to increase the output torque of the wrench, a telescopic guide rod 4 is disposed between the guide stoppers 5, the first wrench body 7 is formed at one side of the second wrench handle 2, and a torque direction adjusting knob 8 is disposed above the first wrench body 7, a direction mark 9 is arranged on one side of the torque direction adjusting knob 8 and used for indicating the output direction of torque, a second slider 27 is arranged below the first wrench body 7, a second circular slide rail 26 is arranged below the second slider 27, the second slider 27 and the second circular slide rail 26 provide a guide for the movement of the first wrench body 7, a third wrench body 20 is arranged below the second circular slide rail 26, a ratchet wheel 23 is arranged in the middle of the upper end of the third wrench body 20, a connecting buckle 25 is arranged on one side of the ratchet wheel 23, top plates 24 are arranged on two sides of the connecting buckle 25, the ratchet wheel 23 is matched with the top plates 24 and used for controlling the wrench to output torque to a single direction, the wrench is convenient and practical, a second wrench body 11 is arranged below the third wrench body 20, a wrench opening and closing adjusting rod 10 is arranged on the side wall of the second wrench body 11, and a T-shaped groove 12 is formed below the second wrench body 11, the T-shaped groove 12 is internally provided with a wrench adjusting slide block 13, a locking clamping groove 14 is formed below one side of the wrench adjusting slide block 13, a slide block circumference end tooth 15 is formed above the wrench adjusting slide block 13, a middle gear support 16 is arranged inside a wrench body II 11, a gear circumference end tooth 17 is formed below the middle gear support 16, the middle gear support 16 plays a role in power transmission, the power of the wrench opening and closing adjusting rod 10 can be transmitted to the wrench adjusting slide block 13, the distance between the locking clamping grooves 14 can be adjusted, a gear tooth radial end tooth 18 is formed on the periphery above the middle gear support 16, an opening and closing adjusting gear 19 is arranged on the gear tooth radial end tooth 18, a circular sliding rail I22 is arranged in the middle of the upper end of the middle gear support 16, and a slide block II 27 is arranged above the circular sliding rail I22, the first circular slide rail 22 and the first slide block 21 provide guidance for rotation of the middle gear tooth support 16.
In this embodiment, direction stopper 5 with 6 sliding connection of guiding hole, direction stopper 5 with flexible guide bar 4 passes through the screw connection the direction telescopic link with under the effect of direction stopper 5, can realize that spanner hand (hold) 1 and two 2 of spanner hand (hold) are elongated the separation, can be used for exporting great moment, convenient and practical.
In this embodiment, the torque direction adjusting knob 8 is rotatably connected to the wrench body one 7, and the torque direction adjusting knob 8 is used for adjusting the top plates 24 on the two sides of the link buckle 25 to be respectively matched with the ratchet wheel 23, so that the torque can be transmitted in a single direction, and the working efficiency of the wrench is improved.
In this embodiment, the first wrench body 7 is connected to the second slider 27 through a screw, the third wrench body 20 is connected to the second circular slide rail 26 through a screw, the second circular slide rail 26 is slidably connected to the second slider 27, and the second slider 27 and the second circular slide rail 26 provide guidance for rotation of the first wrench body 7.
In this embodiment, the ratchet wheel 23 is connected with the third wrench body 20 through a key, the ratchet wheel 23 is connected with the top plate 24 in an overlapping manner, the top plate 24 is welded to the linking buckle 25, the linking buckle 25 is connected with the torque direction adjusting knob 8 through a screw, and the ratchet wheel 23 is matched with the top plate 24, so that the torque can be transmitted to a single direction.
In this embodiment, the second wrench body 11 is connected with the third wrench body 20 through a screw, the wrench adjusting slider 13 is connected with the T-shaped groove 12 in a sliding manner, and the wrench opening and closing adjusting rod 10 can control the wrench adjusting slider 13 to slide inside the T-shaped groove 12, so that the distance between the locking clamping grooves 14 can be adjusted.
In this embodiment, the middle gear tooth support 16 is connected to the first circular slide rail 22 through a screw, the third wrench body 20 is connected to the first slide block 21 through a screw, the first circular slide rail 22 is slidably connected to the first slide block 21, and the first circular slide rail 22 and the first slide block 21 provide guidance for rotation of the middle gear tooth support 16.
In this embodiment, the wrench opening and closing adjusting rod 10 is rotatably connected with the second wrench body 11, and the wrench opening and closing adjusting rod 10 is connected with the opening and closing adjusting gear 19 through a key.
In this embodiment, the opening and closing adjusting gear 19 is engaged with the gear teeth radial end teeth 18, and the opening and closing adjusting gear 19 and the gear teeth radial end teeth 18 are used for transmitting the adjusting power of the wrench opening and closing adjusting rod 10.
In this embodiment, the gear teeth circumferential end teeth 17 are engaged with the slider circumferential end teeth 15, and the gear teeth circumferential end teeth 17 and the slider circumferential end teeth 15 are used for transmitting power between the intermediate gear teeth support 16 and the wrench adjusting slider 13.
The specific working principle is as follows: when the adjusting device is used, firstly, according to the size of a bolt to be detached or installed, the distance between the wrench adjusting slide blocks 13 is adjusted by rotating the wrench opening and closing adjusting rod 10 and is matched with the size of the bolt, in the adjusting process, when the wrench opening and closing adjusting rod 10 is rotated, the opening and closing adjusting gear 19 rotates, the opening and closing adjusting gear 19 is meshed with the gear tooth radial end teeth 18 to transmit power to the middle gear tooth support 16, the middle gear tooth support 16 rotates to transmit power to the wrench adjusting slide blocks 13 through the gear tooth circumferential end teeth 17 and the slide block circumferential end teeth 15, and then the wrench adjusting slide blocks 13 are controlled to move, so that the distance between the locking clamping grooves 14 is adjusted, and meanwhile, the torque output direction is adjusted through the torque direction adjusting knob 8, so that the installation and disassembly operations of the bolt are controlled, moment direction adjust knob 8 can control respectively 25 both sides are detained in the link roof 24 with ratchet 23 cooperation, control torque can only be to the unidirectional transmission, at the installation with disassemble the in-process of bolt, control this spanner can only be to unidirectional transmission torque, just so can realize in reciprocal duty cycle, can accomplish the installation and the operation of disassembling the bolt without the dismouting spanner, labour saving and time saving, when needs transmit great moment of torsion, can pass through the pulling spanner hand (hold) 1 direction stopper 5 and under the effect of flexible guide bar 4, control spanner hand (hold) 1 with spanner hand (hold) two 2 separation realize the extension to the spanner hand (hold), just can export great moment, convenient and practical under the condition that need not increase outside extension sleeve pipe.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.
Claims (10)
1. A spanner that movably adjusts which characterized in that: the portable wrench comprises a wrench handle I (1), a wrench handle II (2), a wrench body I (7) and a wrench body II (11), wherein a portable hole (3) is formed in one side of the wrench handle I (1), a telescopic guide rod (4) is arranged between the guide limit blocks (5), a guide hole (6) is formed in the wrench handle I (1) and the wrench handle II (2), a guide limit block (5) is arranged in the guide hole (6), a telescopic guide rod (4) is arranged between the guide limit blocks (5), a wrench body I (7) is formed in one side of the wrench handle II (2), a torque direction adjusting knob (8) is arranged above the wrench body I (7), a direction mark (9) is arranged on one side of the torque direction adjusting knob (8), and a sliding block II (27) is arranged below the wrench body I (7), a circular slide rail II (26) is arranged below the sliding block II (27), a wrench body III (20) is arranged below the circular slide rail II (26), a ratchet wheel (23) is arranged in the middle of the upper end of the wrench body III (20), a linking buckle (25) is arranged on one side of the ratchet wheel (23), top plates (24) are arranged on two sides of the linking buckle (25), the wrench body II (11) is arranged below the wrench body III (20), a wrench opening and closing adjusting rod (10) is arranged on the side wall of the wrench body II (11), a T-shaped groove (12) is formed below the wrench body II (11), a wrench adjusting sliding block (13) is arranged inside the T-shaped groove (12), a locking clamping groove (14) is formed below one side of the wrench adjusting sliding block (13), and a sliding block circumference end tooth (15) is formed above the wrench adjusting sliding block (13), the spanner body two (11) is inside to be provided with middle teeth of a cogwheel and supports (16), the shaping of middle teeth of a cogwheel support (16) below has teeth of a cogwheel circumference end tooth (17), the peripheral shaping of middle teeth of a cogwheel support (16) top has radial end tooth (18) of the teeth of a cogwheel, be provided with on the radial end tooth (18) of the teeth of a cogwheel and open and shut adjusting gear (19), middle teeth of a cogwheel support (16) upper end middle part is provided with circular slide rail one (22), circular slide rail one (22) top is provided with slider two (27).
2. The moveably adjustable wrench of claim 1, wherein: the guide limiting block (5) is connected with the guide hole (6) in a sliding mode, and the guide limiting block (5) is connected with the telescopic guide rod (4) through a screw.
3. The moveably adjustable wrench of claim 1, wherein: and the torque direction adjusting knob (8) is rotationally connected with the wrench body I (7).
4. The moveably adjustable wrench of claim 1, wherein: the first wrench body (7) is connected with the second sliding block (27) through screws, the third wrench body (20) is connected with the second circular sliding rail (26) through screws, and the second circular sliding rail (26) is connected with the second sliding block (27) in a sliding mode.
5. The moveably adjustable wrench of claim 1, wherein: ratchet (23) with three (20) pass through the key-type connection of spanner body, ratchet (23) with roof (24) overlap joint, roof (24) with link knot (25) welding, link knot (25) with moment direction adjust knob (8) pass through screwed connection.
6. The moveably adjustable wrench of claim 1, wherein: the second wrench body (11) is connected with the third wrench body (20) through a screw, and the wrench adjusting slide block (13) is connected with the T-shaped groove (12) in a sliding mode.
7. The moveably adjustable wrench of claim 1, wherein: the middle gear tooth support (16) is connected with the first circular sliding rail (22) through a screw, the third wrench body (20) is connected with the first sliding block (21) through a screw, and the first circular sliding rail (22) is connected with the first sliding block (21) in a sliding mode.
8. The moveably adjustable wrench of claim 1, wherein: the wrench opening and closing adjusting rod (10) is rotationally connected with the wrench body II (11), and the wrench opening and closing adjusting rod (10) is in key connection with the opening and closing adjusting gear (19).
9. The moveably adjustable wrench of claim 1, wherein: the opening and closing adjusting gear (19) is meshed with the gear tooth radial end teeth (18).
10. The moveably adjustable wrench of claim 1, wherein: the gear teeth circumferential end teeth (17) are meshed with the slider circumferential end teeth (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011553036.4A CN112775881A (en) | 2020-12-24 | 2020-12-24 | Spanner of mobile regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011553036.4A CN112775881A (en) | 2020-12-24 | 2020-12-24 | Spanner of mobile regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112775881A true CN112775881A (en) | 2021-05-11 |
Family
ID=75752162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011553036.4A Pending CN112775881A (en) | 2020-12-24 | 2020-12-24 | Spanner of mobile regulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112775881A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100861069B1 (en) * | 2008-04-11 | 2008-09-30 | 주식회사 월드툴 | Ratchet wrench |
| CN106392964A (en) * | 2016-11-11 | 2017-02-15 | 苏州创必成电子科技有限公司 | Wrench with adjustable caliber |
| CN107097164A (en) * | 2017-06-06 | 2017-08-29 | 郑州轻工业学院 | A kind of three-jaw movable ratchet carring hand |
| CN206632912U (en) * | 2017-03-31 | 2017-11-14 | 北京首都机场动力能源有限公司 | A kind of telescoping handle torque-increasing spanner |
| CN108818375A (en) * | 2018-09-12 | 2018-11-16 | 泰兴市协力量具有限公司 | A kind of telescopic spanner quickly used |
| CN111390788A (en) * | 2020-04-15 | 2020-07-10 | 成都飞机工业（集团）有限责任公司 | Multi-claw universal fixture |
| CN211332951U (en) * | 2019-10-23 | 2020-08-25 | 昆明理工大学 | Adjustable ratchet wrench structure |
| CN211439732U (en) * | 2019-12-04 | 2020-09-08 | 国网湖北省电力有限公司宜昌供电公司 | Automatic torque wrench of formula of predetermineeing |
-
2020
- 2020-12-24 CN CN202011553036.4A patent/CN112775881A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100861069B1 (en) * | 2008-04-11 | 2008-09-30 | 주식회사 월드툴 | Ratchet wrench |
| CN106392964A (en) * | 2016-11-11 | 2017-02-15 | 苏州创必成电子科技有限公司 | Wrench with adjustable caliber |
| CN206632912U (en) * | 2017-03-31 | 2017-11-14 | 北京首都机场动力能源有限公司 | A kind of telescoping handle torque-increasing spanner |
| CN107097164A (en) * | 2017-06-06 | 2017-08-29 | 郑州轻工业学院 | A kind of three-jaw movable ratchet carring hand |
| CN108818375A (en) * | 2018-09-12 | 2018-11-16 | 泰兴市协力量具有限公司 | A kind of telescopic spanner quickly used |
| CN211332951U (en) * | 2019-10-23 | 2020-08-25 | 昆明理工大学 | Adjustable ratchet wrench structure |
| CN211439732U (en) * | 2019-12-04 | 2020-09-08 | 国网湖北省电力有限公司宜昌供电公司 | Automatic torque wrench of formula of predetermineeing |
| CN111390788A (en) * | 2020-04-15 | 2020-07-10 | 成都飞机工业（集团）有限责任公司 | Multi-claw universal fixture |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210511 |
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| RJ01 | Rejection of invention patent application after publication |