CN110125855A - A kind of multi-section sleeve spanner - Google Patents
A kind of multi-section sleeve spanner Download PDFInfo
- Publication number
- CN110125855A CN110125855A CN201910349005.8A CN201910349005A CN110125855A CN 110125855 A CN110125855 A CN 110125855A CN 201910349005 A CN201910349005 A CN 201910349005A CN 110125855 A CN110125855 A CN 110125855A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- cavity
- cylindrical body
- sleeve
- block
- Prior art date
- 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.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims description 26
- 238000007906 compression Methods 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
- B25B17/00—Hand-driven gear-operated wrenches or screwdrivers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Surgical Instruments (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
A kind of multi-section sleeve spanner of the invention, including fixed block, ratchet chamber is offered in the fixed block, the ratchet is intracavitary to be equipped with ratchet mechanism, the ratchet of the present apparatus can only rotate in one direction, and the setting of screw shell can make great circle cylinder and small cylinder that the function of flexible storage may be implemented, and reduce spanner the space occupied, solve the problems, such as that small space inner bolt is not easy to tighten.
Description
Technical field
The present invention relates to field of tool, and in particular to a kind of multi-section sleeve spanner.
Background technique
Box spanner is to tighten or unload a kind of specific purpose tool loosened the screw a little, and existing box spanner is all largely to turn manually
Wrench itself, but these spanners cannot rotate in narrow space, or be not easy to rotate, during rotation speed compared with
Slowly.
Summary of the invention
The purpose of the present invention is to provide a kind of multi-section sleeve spanners, can overcome the drawbacks described above of the prior art, convenient
Tighten bolt.
A kind of multi-section sleeve spanner of the invention, including fixed block offer ratchet chamber, the ratchet in the fixed block
It is intracavitary to be equipped with ratchet mechanism, rach slot is offered on the end wall of two sides up and down of the ratchet chamber, is opened up on the right side of the rach slot
There is runner chamber, the ratchet mechanism includes the ratchet being rotatably arranged on the ratchet chamber rear wall, and the periphery of the ratchet opens up
There is equally distributed groove, the hinged tooth of articulated connection, is connected with first between the hinged tooth and the groove in the groove
Spring is installed with ratchet end tooth in the front end face of the ratchet, is described in detail by taking the rach slot of bottom as an example, institute
It states sliding in rach slot and is equipped with rack gear, the top of the rack gear is installed with end tooth, the ratchet chamber on the right side of the ratchet end tooth
Rear wall on rotation be equipped with middle part gear, the middle part gear engages with the ratchet end tooth, and intracavitary rotate of the runner is equipped with
Runner is described in detail by taking the runner of bottom as an example, is articulated and connected between the runner and the rack gear by joining beam,
It is installed with supporting block on the end wall of two sides up and down of the fixed block, is described in detail by taking the supporting block of bottom as an example,
The front side end of the supporting block is hingedly equipped with compression bar, can also be equipped on the compression bar and fold limited block, fold compression bar, subtract
Few spanner occupies longer space, can also be not provided with, and the right-hand end of the compression bar is hingedly connected by grip pressure pull rod with the runner
It connects, sheath is installed on the outer wall of the compression bar, is connected with second spring between the compression bar and the fixed block.
Further technology explanation, is installed with big cylindrical body in the right end face of the fixed block, in the big cylindrical body
Left side cavity is offered, left side sliding slot is offered on the end wall of two sides up and down of the left side cavity, is slided in the left side cavity
It is dynamic to be equipped with middle cylindrical body, left slider, the left slider sliding are installed on the both sides of the face up and down of the middle cylindrical body
It is arranged in the left side sliding slot, central cavity, the two sides end wall up and down of the central cavity is offered in the middle cylindrical body
On offer middle part sliding slot, sliding is equipped with small cylinder, the two sides end wall up and down of the small cylinder in the central cavity
On be installed with right side sliding block, the right side sliding block and the middle part sliding slot are slidably connected, the left side of the central cavity
Rotation is equipped with left slider in end wall, and the left side extended segment of the left slider protrudes into that the ratchet is intracavitary and its end is installed with
Tooth is bored with the spline housing of the middle part gear internal messing, is cased with sleeve on the outside of the big cylindrical body, the sleeve passes through fixation
Bearing piece is fixedly connected with the middle cylindrical body, and the outside rotation of the sleeve is cased with the screw shell being symmetrical set, and is located at
The outer wall thread of the screw shell in left side and the big cylindrical body is cooperatively connected, the screw shell and institute positioned at right side
It states small cylinder and is threadedly engaged connection, the outside of the screw shell is fixed with cylindrical sleeve, on the outside of the big cylindrical body
Screw thread on the outside of screw thread and the small cylinder is reversed, and guarantees that operator's left hand holds the cylindrical sleeve in left side, right
When hand holds the cylindrical sleeve rotation on right side, the big cylindrical body and the small cylinder is enable to stretch out and withdraw, it is described
Rotation is equipped with splined shaft in small cylinder, and the left side extended segment of the splined shaft is connect with the spline housing spline fitted.
Further technology illustrates, is installed with operation block in the right end face of the small cylinder, opens in the operation block
Equipped with circular cavity, annular groove is offered in the inner circumferential wall of the circular cavity, rotation is equipped with circular gear, institute in the circular cavity
It states and offers rectangular cavity in circular gear, be connected setting before and after the rectangular cavity, and rectangular block is equipped in the rectangular cavity, described
The upper and lower ends rotation of rectangular block is equipped with pivot pin, sleeve is installed on the front and rear sides side end face of the rectangular block, before being located at
The sleeve setting of different sizes of two sides afterwards can meet the requirement of polytypic, offer on the left side end wall of the circular cavity
Drive cavity, rotation is equipped with transmission gear in the drive cavity, the left side extended segment of the splined shaft protrude into the drive cavity and
Its end is installed with spline axial cone tooth, and the spline axial cone tooth is engaged with the transmission gear.
In the following, applicant will be carried out with reference to attached drawing and a kind of multi-section sleeve spanner described above using introduction, it is first
First, in the initial state, big cylindrical body is in sleeve to the greatest extent, while small cylinder is in middle part sky to the greatest extent
It is intracavitary；
When in use, firstly, left hand holds the cylindrical sleeve in left side, the right hand holds the cylindrical sleeve on right side to this equipment, then reversed to turn
Dynamic, the screw shell of the screw shell and right side that make left side rotates backward, and then skids off big cylindrical body to the left, small cylinder to
The right side skids off, and spanner is made to trail, and at this time covers sleeve on the bolt in narrow gap, while repeating grip pressure sheath manually, makes
Compression bar is close to each other, and compression bar pulls grip pressure pull rod to rotate runner at this time, and then joining beam is made to move right, and joining beam pulls tooth at this time
Item moves right, and then makes ratchet wheel, while ratchet end tooth rotates, and ratchet end tooth drives the rotation of center teeth wheel, and then makes to spend
Key set cone tooth rotation, spline housing bore tooth and drive spline housing rotation, and spline housing drives splined shaft rotation, and splined shaft drives spline axial cone
Tooth rotation, and then rotates transmission gear, and transmission gear drives circular gear rotation, so that sleeve be made to rotate, sleeve is by bolt
It unscrews, to tighten bolt, only need to make rear side by spanner in turn forward, while stirring rectangular block, make sleeve for turning, this
When grip pressure compression bar, will be by bolt presses.
The ratchet mechanism of the present apparatus can only be towards one by the ratchet that the cooperation of groove, hinged tooth and the first spring makes
Direction rotation, while compression bar is longer so that when grip pressure is more laborsaving, the setting of the screw shell can make great circle cylinder and small
The function of flexible storage may be implemented in cylindrical body, reduces spanner the space occupied, while spanner being allowed to put in narrow sky
In to bolt operate, solve the problems, such as that small space inner bolt is not easy to tighten, at the same the rotation of rectangular block be equipped with can be real
Now tightening and opening to bolt, while the purpose operated to various types of bolts is met, and the biography of the present apparatus
Dynamic structure is simple, is less prone to failure, convenient for safeguarding, easy to spread.
Detailed description of the invention
It, below will be to embodiment or existing in order to illustrate more clearly of inventive embodiments or technical solution in the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only to invent
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is a kind of overall structure diagram of multi-section sleeve spanner of the invention；
Fig. 2 is a kind of multi-section sleeve spanner left part structural schematic diagram of the invention；
Fig. 3 is a kind of multi-section sleeve spanner middle section structural schematic diagram of the invention；
Fig. 4 is a kind of multi-section sleeve spanner right part structural schematic diagram of the invention.
Specific embodiment
Below with reference to Fig. 1-4, the present invention is described in detail, for sake of convenience, now such as to hereafter described orientation regulation
Under: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
Referring to figs. 1 to 4, a kind of multi-section sleeve spanner of the invention, including fixed block 100, the fixed block 100
It inside offers ratchet chamber 201, is equipped with ratchet mechanism 10 in the ratchet chamber 201, on the end wall of two sides up and down of the ratchet chamber 201
Rach slot 200 is offered, the right side opening of the rach slot 200 is equipped with runner chamber 110, and the ratchet mechanism 10 includes rotation setting
Ratchet 119 on 201 rear wall of ratchet chamber, the periphery of the ratchet 119 offers equally distributed groove 117, described
The hinged tooth 116 of articulated connection, is connected with the first spring 118, institute between the hinged tooth 116 and the groove 117 in groove 117
It states and is installed with ratchet end tooth 115 in the front end face of ratchet 119, be described in detail by taking the rach slot 200 of bottom as an example,
Sliding is equipped with rack gear 104 in the rach slot 200, and the top of the rack gear 104 is installed with end tooth 105, the ratchet end tooth 115
Rotation is equipped with middle part gear 114, the middle part gear 114 and the ratchet end tooth on the rear wall of the ratchet chamber 201 on right side
115 engagements, the interior rotation of the runner chamber 110 are equipped with runner 109, are described in detail by taking the runner 109 of bottom as an example, institute
It states and is articulated and connected between runner 109 and the rack gear 104 by joining beam 111, on the end wall of two sides up and down of the fixed block 100
It is installed with supporting block 107, is described in detail by taking the supporting block 107 of bottom as an example, the front side end hinge of the supporting block 107
It is equipped with compression bar 102, can be also equipped on the compression bar 102 and fold limited block 300, fold compression bar 102, reduced spanner and account for
It with longer space, can also be not provided with, the right-hand end of the compression bar 102 is hingedly connected by grip pressure pull rod 108 with the runner 109
It connects, sheath 101 is installed on the outer wall of the compression bar 102, is connected with second between the compression bar 102 and the fixed block 100
Spring 106.
It is installed with big cylindrical body 120 in the right end face of the fixed block 100, offers a left side in the big cylindrical body 120
Side cavity 126 offers left side sliding slot 121, the left side cavity 126 on the end wall of two sides up and down of the left side cavity 126
Interior sliding is equipped with middle cylindrical body 123, is installed with left slider 122 on the both sides of the face up and down of the middle cylindrical body 123, described
Left slider 122 is slidably arranged in the left side sliding slot 121, offers central cavity 127, institute in the middle cylindrical body 123
It states and offers middle part sliding slot 125 on the end wall of two sides up and down of central cavity 127, sliding is equipped with small in the central cavity 127
Cylindrical body 132 is installed with right side sliding block 131, the right side sliding block 131 on the end wall of two sides up and down of the small cylinder 132
It being slidably connected with the middle part sliding slot 125, rotation is equipped with left slider 122 in the left side end wall of the central cavity 127,
The left side extended segment of the left slider 122 is protruded into the ratchet chamber 201 and its end is installed with and the middle part gear 114
The spline housing of internal messing bores tooth 113, and the outside of the big cylindrical body 120 is cased with sleeve 128, and the sleeve 128 passes through fixed branch
Block 147 is fixedly connected with the middle cylindrical body 123, and the outside rotation of the sleeve 128 is cased with the thread bush being symmetrical set
Cylinder 129 is cooperatively connected, positioned at right side positioned at the screw shell 129 in left side and the outer wall thread of the big cylindrical body 120
The screw shell 129 is threadedly engaged with the small cylinder 132 and connect, and the outside of the screw shell 129 is fixed with
The screw thread of cylindrical sleeve 130,132 outside of screw thread and the small cylinder in big 120 outside of cylindrical body is reversed, and guarantees behaviour
Make the cylindrical sleeve 130 that personnel's left hand holds left side, when the cylindrical sleeve 130 that the right hand holds right side rotates, makes described big
Cylindrical body 120 and the small cylinder 132 can be stretched out and be withdrawn, and rotation is equipped with splined shaft 124 in the small cylinder 132,
The left side extended segment of the splined shaft 124 is connect with 112 spline fitted of spline housing.
It is installed with operation block 134 in the right end face of the small cylinder 132, offers circle in the operation block 134
Chamber 138 offers annular groove 145 in the inner circumferential wall of the circular cavity 138, and rotation is equipped with round tooth in the circular cavity 138
150 are taken turns, offers rectangular cavity 139 in the circular gear 150, be connected setting before and after the rectangular cavity 139, the rectangular cavity
Rectangular block 140 is equipped in 139, the upper and lower ends rotation of the rectangular block 140 is equipped with pivot pin 142, the front and back of the rectangular block 140
Sleeve 141 is installed on the side end face of two sides, the setting of different sizes of the sleeve 141 positioned at front and rear sides can meet many types of
Number requirement, drive cavity 151 is offered on the left side end wall of the circular cavity 138, rotation is equipped with transmission in the drive cavity 151
Gear 136, the left side extended segment of the splined shaft 124 is protruded into the drive cavity 151 and its end is installed with spline axial cone tooth
135, the spline axial cone tooth 135 is engaged with the transmission gear 136.
In the following, applicant will carry out with reference to attached drawing 1-4 and a kind of multi-section sleeve spanner described above using introduction,
Firstly, in the initial state, big cylindrical body 120 is in sleeve 128 to the greatest extent, while small cylinder 132 is utmostly
In the central cavity 127；
When in use, firstly, left hand holds the cylindrical sleeve 130 in left side, the right hand holds the cylindrical sleeve 130 on right side to this equipment, then
It rotates backward, the screw shell 129 of the screw shell 129 and right side that make left side rotates backward, and then makes big cylindrical body 120 to the left
It skids off, small cylinder 132 skids off to the right, so that spanner is trailed, at this time by 141 sets of the sleeve bolts in narrow gap, together
Shi Shoudong repeats grip pressure sheath 101, keeps compression bar 102 close to each other, and compression bar 102 pulls grip pressure pull rod 108 to make 109 turns of runner at this time
It is dynamic, and then joining beam 111 is made to move right, joining beam 111 pulls rack gear 104 to move right at this time, and then rotates ratchet 119, together
When ratchet end tooth 115 rotate, ratchet end tooth 115 drives middle part gear 114 to rotate, and then rotates spline housing cone tooth 113, spline
Set cone tooth 113 drives spline housing 112 to rotate, and spline housing 112 drives splined shaft 124 to rotate, and splined shaft 124 drives spline axial cone tooth
135 rotations, and then transmission gear 136 is rotated, transmission gear 136 drives circular gear 150 to rotate, to make 141 turns of sleeve
Dynamic, sleeve 141 unscrews bolt, to tighten bolt, only need to make rear side forward, while stirring rectangle by spanner in turn
Block 140 overturns sleeve 141, at this time grip pressure compression bar 102, will be by bolt presses.
The ratchet mechanism of the present apparatus can only be towards one by the ratchet that the cooperation of groove, hinged tooth and the first spring makes
Direction rotation, while compression bar is longer so that when grip pressure is more laborsaving, the setting of the screw shell can make great circle cylinder and small
The function of flexible storage may be implemented in cylindrical body, reduces spanner the space occupied, while spanner being allowed to put in narrow sky
In to bolt operate, solve the problems, such as that small space inner bolt is not easy to tighten, at the same the rotation of rectangular block be equipped with can be real
Now tightening and opening to bolt, while the purpose operated to various types of bolts is met, and the biography of the present apparatus
Dynamic structure is simple, is less prone to failure, convenient for safeguarding, easy to spread.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of multi-section sleeve spanner of the invention, including fixed block, it is characterised in that: offer ratchet in the fixed block
Chamber, the ratchet is intracavitary to be equipped with ratchet mechanism, offers rach slot, the rach slot on the end wall of two sides up and down of the ratchet chamber
Right side opening be equipped with runner chamber, the ratchet mechanism includes the ratchet being rotatably arranged on the ratchet chamber rear wall, the ratchet
Periphery offer equally distributed groove, the hinged tooth of articulated connection in the groove, the hinged tooth with it is described
It is connected with the first spring between groove, ratchet end tooth is installed in the front end face of the ratchet, with the rach slot of bottom
For be described in detail, sliding is equipped with rack gear in the rach slot, and the top of the rack gear is installed with end tooth, the ratchet end
Rotation is equipped with middle part gear on the rear wall of the ratchet chamber on the right side of tooth, and the middle part gear is engaged with the ratchet end tooth, institute
State the intracavitary rotation of runner and be equipped with runner, be described in detail by taking the runner of bottom as an example, the runner and the rack gear it
Between be articulated and connected by joining beam, supporting block is installed on the end wall of two sides up and down of the fixed block, with the support of bottom
It is described in detail for block, the front side end of the supporting block is hingedly equipped with compression bar, can also be equipped on the compression bar and fold limit
Block folds compression bar, reduces spanner and occupies longer space, can also be not provided with, the right-hand end of the compression bar passes through grip pressure
Pull rod and the runner are articulated and connected, and are installed with sheath on the outer wall of the compression bar, connect between the compression bar and the fixed block
It is connected to second spring.
2. a kind of multi-section sleeve spanner according to claim 1, it is characterised in that: solid in the right end face of the fixed block
Equipped with big cylindrical body, left side cavity is offered in the big cylindrical body, is opened up on the end wall of two sides up and down of the left side cavity
There is left side sliding slot, is slided in the left side cavity and be equipped with middle cylindrical body, it is fixed on the both sides of the face up and down of the middle cylindrical body
There is left slider, the left slider is slidably arranged in the left side sliding slot, central cavity is offered in the middle cylindrical body,
Middle part sliding slot is offered on the end wall of two sides up and down of the central cavity, sliding is equipped with small cylinder in the central cavity,
Right side sliding block is installed on the end wall of two sides up and down of the small cylinder, the right side sliding block is matched with middle part sliding slot sliding
Connection is closed, rotation is equipped with left slider in the left side end wall of the central cavity, and the left side extended segment of the left slider is protruded into
The ratchet is intracavitary and its end is installed with and bores tooth, the outside of the big cylindrical body with the spline housing of the middle part gear internal messing
It is cased with sleeve, the sleeve is fixedly connected by fixed bearing piece with the middle cylindrical body, and the outside rotation of the sleeve is cased with a left side
Right symmetrically arranged screw shell is cooperatively connected positioned at the screw shell in left side and the outer wall thread of the big cylindrical body,
The screw shell positioned at right side is threadedly engaged with the small cylinder to be connect, and the outside of the screw shell is fixed with
Cylindrical sleeve, the screw thread on the outside of screw thread and the small cylinder on the outside of the big cylindrical body are reversed, and guarantee that operator is left
Hand, which holds the cylindrical sleeve in left side, makes the big cylindrical body and described small when the right hand holds the cylindrical sleeve rotation on right side
Cylindrical body can be stretched out and be withdrawn, and rotation is equipped with splined shaft, the left side extended segment of the splined shaft and institute in the small cylinder
State the connection of spline housing spline fitted.
3. a kind of multi-section sleeve spanner according to claim 2, it is characterised in that: in the right end face of the small cylinder
It is installed with operation block, circular cavity is offered in the operation block, annular groove is offered in the inner circumferential wall of the circular cavity, it is described
Rotation is equipped with circular gear in circular cavity, and rectangular cavity is offered in the circular gear, and be connected setting before and after the rectangular cavity,
Rectangular block is equipped in the rectangular cavity, the upper and lower ends rotation of the rectangular block is equipped with pivot pin, the front and rear sides of the rectangular block
Sleeve is installed on side end face, the sleeve setting of different sizes positioned at front and rear sides can meet the requirement of polytypic, institute
It states and offers drive cavity on the left side end wall of circular cavity, rotation is equipped with transmission gear, a left side for the splined shaft in the drive cavity
Side extended segment is protruded into the drive cavity and its end is installed with spline axial cone tooth, the spline axial cone tooth and the transmission gear
Engagement.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910349005.8A CN110125855B (en) | 2019-04-28 | 2019-04-28 | Multi-section socket wrench |
| JP2019094175A JP6709385B1 (en) | 2019-04-28 | 2019-05-18 | Sleeve spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910349005.8A CN110125855B (en) | 2019-04-28 | 2019-04-28 | Multi-section socket wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110125855A true CN110125855A (en) | 2019-08-16 |
| CN110125855B CN110125855B (en) | 2020-11-06 |
Family
ID=67575364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910349005.8A Active CN110125855B (en) | 2019-04-28 | 2019-04-28 | Multi-section socket wrench |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6709385B1 (en) |
| CN (1) | CN110125855B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114593329B (en) * | 2022-03-22 | 2024-01-02 | 俞晓飞 | Quick monitor of foundation ditch excavation |
| CN114991468B (en) * | 2022-06-21 | 2023-06-30 | 江西容大建工集团有限公司 | Building templates's embedded part anchor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905548A (en) * | 1988-12-02 | 1990-03-06 | Colace Ronald J | Adjustable socket wrench extension |
| US7743685B2 (en) * | 2007-08-23 | 2010-06-29 | Chih-Min Chang | Ratchet wrench |
| WO2011144917A1 (en) * | 2010-05-19 | 2011-11-24 | Smc Corporation Limited | Driving tool |
| WO2016081543A1 (en) * | 2014-11-20 | 2016-05-26 | Js Products, Inc. | Hand tool having a head which is position-adjustable and lockable relative to a handle |
| US9572616B2 (en) * | 2013-09-04 | 2017-02-21 | Bradshaw Medical, Inc. | Continuous ratchet medical instrument drive |
| CN107520787A (en) * | 2017-09-06 | 2017-12-29 | 罗丽玲 | It is a kind of to be easy to split out in long and narrow space or the manual wrench of tightening nut |
| CN108312097A (en) * | 2018-04-11 | 2018-07-24 | 广州市优泰安防技术有限公司 | A kind of adjustable nut spanner suitable for elongate slot |
| CN109015493A (en) * | 2018-08-14 | 2018-12-18 | 中国航发南方工业有限公司 | The installation tool and installation method of small space installation fastener |
| CN208323206U (en) * | 2018-04-17 | 2019-01-04 | 广州供电局有限公司 | Spanner |
-
2019
- 2019-04-28 CN CN201910349005.8A patent/CN110125855B/en active Active
- 2019-05-18 JP JP2019094175A patent/JP6709385B1/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905548A (en) * | 1988-12-02 | 1990-03-06 | Colace Ronald J | Adjustable socket wrench extension |
| US7743685B2 (en) * | 2007-08-23 | 2010-06-29 | Chih-Min Chang | Ratchet wrench |
| WO2011144917A1 (en) * | 2010-05-19 | 2011-11-24 | Smc Corporation Limited | Driving tool |
| US9572616B2 (en) * | 2013-09-04 | 2017-02-21 | Bradshaw Medical, Inc. | Continuous ratchet medical instrument drive |
| WO2016081543A1 (en) * | 2014-11-20 | 2016-05-26 | Js Products, Inc. | Hand tool having a head which is position-adjustable and lockable relative to a handle |
| CN107520787A (en) * | 2017-09-06 | 2017-12-29 | 罗丽玲 | It is a kind of to be easy to split out in long and narrow space or the manual wrench of tightening nut |
| CN108312097A (en) * | 2018-04-11 | 2018-07-24 | 广州市优泰安防技术有限公司 | A kind of adjustable nut spanner suitable for elongate slot |
| CN208323206U (en) * | 2018-04-17 | 2019-01-04 | 广州供电局有限公司 | Spanner |
| CN109015493A (en) * | 2018-08-14 | 2018-12-18 | 中国航发南方工业有限公司 | The installation tool and installation method of small space installation fastener |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6709385B1 (en) | 2020-06-17 |
| CN110125855B (en) | 2020-11-06 |
| JP2020183022A (en) | 2020-11-12 |
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