CN107009305B - Multifunctional wrench - Google Patents
Multifunctional wrench Download PDFInfo
- Publication number
- CN107009305B CN107009305B CN201710345018.9A CN201710345018A CN107009305B CN 107009305 B CN107009305 B CN 107009305B CN 201710345018 A CN201710345018 A CN 201710345018A CN 107009305 B CN107009305 B CN 107009305B
- Authority
- CN
- China
- Prior art keywords
- circular hole
- installation
- installation circular
- hook
- lid
- 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.)
- Expired - Fee Related
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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
- B25B13/00—Spanners; Wrenches
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F1/00—Combination or multi-purpose hand tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
Multifunctional wrench, including left and right it is horizontal pull body, the left part for pulling body is circular configuration, the left part for pulling body offers transparent installation circular hole, the bottom for pulling body left part is fixed with the installation ring flat-plate being arranged with installation circular hole coaxial line, the periphery for pulling body upper edge installation circular hole is opened up there are two horizontally disposed arc groove, center symmetric setting of two arc grooves about installation circular hole, the left part for pulling body offers the jack being connected to installation circular hole, snap-gauge is inserted in jack, using the axis close to installation circular hole as inside, using the axis far from installation circular hole as outside；In summary, present invention incorporates existing action wrench mechanisms and hook-shaped wrench mechanism to be integrated, then a kind of novel sliding block spanner structure and telescopic allen wrench mechanism are provided, the dismounting to high nut, thin nut, round nut and interior six sides screw can be completed through the above structure, it is versatile.
Description
Technical field
The present invention relates to a kind of hardware tools, and in particular to a kind of multifunctional wrench.
Background technology
Spanner, a kind of commonly installation and extracting tool.It is using lever principle clamping bolt, screw, nut or its
Its threaded connector tight holds the opening of bolt or nut or sets of holes are allowed to the hand tools fastened by screwing.It is either industrial
It produces or in daily life, durings the assembly of equipment, repair etc., all can't do without spanner, though the small meaning weight of spanner
Greatly, effect is even more and performs meritorious deeds never to be obliterated.
The quality of one spanner, using whether smoothly be even more directly influence assembly repair quality and working efficiency.To the greatest extent
The fast development of pipe industrial technology and progress, many occasions all carry out equipment assembling with machine to substitute the labour of people, as long as
There are industrial products and industrial equipment facility, just may be useful for the place of spanner；With the development and progress of industrial technology, spanner also exists
The improvement and innovation for constantly carrying out structure, are allowed to more handy.
The type of spanner has very much, and different types of spanner is used to different operation objects.Common spanner has work
Wrench, fork spanner, double offset ring spanner, combination wrenches, box spanner, allen wrench and torque spanner etc..However most of machines
The assembly and repair of tool, because its type of attachment is different, the spanner that need to be used is multifarious.Therefore, maintenance of equipment personnel need to take
The tool kind of band is various, when using is even more to select some, can just find out suitable Wrench, pretty troublesome.If there is one
Versatility is good, carries and operates multifunctional wrench all smoothly, then can bring profit greatly just.
Invention content
The present invention provides a kind of easy to use, versatile multi-functional to solve shortcoming in the prior art
Spanner.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：Multifunctional wrench, including left and right is horizontal pulls
Body, the left part for pulling body is circular configuration, and the left part for pulling body offers transparent installation circular hole, pulls the bottom of body left part
Portion is fixed with the installation ring flat-plate with installation circular hole coaxial line setting, and the periphery for pulling body upper edge installation circular hole opens up and sets there are two level
The arc groove set, center symmetric setting of two arc grooves about installation circular hole, the left part for pulling body offer and installation circular hole
The jack of connection is inserted with snap-gauge in jack, using the axis close to installation circular hole as inside, is with the axis far from installation circular hole
Outside, the inside of snap-gauge are equipped with the tooth form inserted block extending into installation circular hole；It pulls to be equipped in the installation circular hole of body and adjusts lid, adjust
Lid is the circular cover body structure with central through hole, and the periphery for adjusting lid is fixed with two sliding blocks, and two sliding blocks are about tune
The center symmetric setting for saving lid, the size for adjusting lid are adapted with the size of installation circular hole, and correspondence stretches into simultaneously two sliding blocks respectively
It is slidably connected in two arc grooves, the periphery for adjusting lid offers a toothrow shape slot, and the tooth form inserted block on the inside of snap-gauge plugs
In tooth form slot；It adjusts and is equipped with nut check mechanism between the bottom surface of lid and the top surface for installing ring flat-plate；
The right end for pulling body is equipped with action wrench mechanism；
The middle part for pulling body is equipped with hook-shaped wrench mechanism and telescopic allen wrench mechanism, and hook-shaped wrench mechanism includes bilayer
The hook-shaped shank body of clamp region, hook-shaped shank body are arranged along left and right horizontal direction, and the left end of hook-shaped shank body is hinged by the first pin
It pulls on body, the right end of hook-shaped shank body is hinged with hook body by the second axis pin, and the middle part for pulling body is located at the double-deck clamping plate of hook-shaped shank body
In structure；
Telescopic allen wrench mechanism includes the outer sliding sleeve being transversely and horizontally set, interior telescopic rod and main rod body, mobile jib
The inner hollow and right end of body are open, and the left end of main rod body is hinged on the left end of hook-shaped shank body by third pin, main rod body
The cross sectional shape of the cross sectional shape of the inner cavity of section shape, main rod body, the section shape of outer sliding sleeve and interior telescopic rod is just
Hexagon offers slot hole in main rod body along its length, is fixed with fixture block on interior telescopic rod, interior telescopic rod by main rod body the right side
End is plugged in the interior intracavitary of main rod body, and fixture block is located in slot hole and protrudes from the outer surface of main rod body, and outer sliding sleeve is slidably connected at
Pull outside and the right end close to main rod body.
Nut check mechanism includes the identical latch segment of six structures, is vertically and fixedly provided on the top and bottom of latch segment
Guide rod, six latch segments are evenly arranged around the axis of installation circular hole, and the medial surface of six latch segments is encircled into orthohexagonal, peace
The top surface of dress ring flat-plate is opened up there are six gliding groove, and six gliding grooves are around the rounded array arrangement in the center of installation ring flat-plate, under each
The length direction of sliding slot is tangent with the endoporus of installation ring flat-plate, and the bottom surface for adjusting lid is opened up there are six upper hopper chute, six upper hopper chutes
It is evenly arranged around the axis for adjusting lid, two guide rods of each latch segment are slidably connected in upper hopper chute and gliding groove respectively.
Action wrench mechanism includes adjusting worm screw, fixed spanner and movable jaw, and fixed spanner, which is slidably connected at, pulls body
Right end and fixed by the 4th pin, movable jaw is slidably connected at the right end for pulling body, between movable jaw and fixed spanner
Formed V-arrangement clamping opening, pull body right part be equipped with rectangular opening, adjust worm screw be connected to by worm shaft the right part for pulling body and
In rectangular opening, adjusts worm screw and be meshed with movable jaw.
Slot is radially offered on interior telescopic rod, for fixture block elastic conjunction in slot, fixture block is located at outer sliding sleeve
Left side.
Using above-mentioned technical proposal, the present invention can be grasped for different nuts, interior six sides screw and round nut
Make to twist and take, wherein action wrench mechanism can dismantle high nut, and concrete operations are：It stirs and adjusts worm screw, due to adjusting
Section worm screw is meshed with movable jaw, and movable jaw is slidably connected at the right end of spanner, so adjusting worm screw drives movable jaw
It is mobile, until suitable position, then V-arrangement clamping opening is gripped in nut periphery, pull body later, you can nut dismounting is fallen,
This operation principle is identical as existing adjustable wrench operation principle；In addition the present invention also provides a kind of slide type wrench structure,
The slide type wrench structure is suitable for the nut of different model, and the nut that can adequately protect, will not be right when dismantling nut
The wedge angle of nut twists convex, stability height, and specific work process is：Twist take nut when, pass through six mutually matched lockings
Block, each latch segment moves under the action of guide rod according to the track of regulation, in use, need to only extract the snap-gauge of spanner, twists
The adjusting lid on wrench top adjusts the dynamic six latch segments movement of cover strip, is finally completed positive six surrounded on the inside of six latch segments
Rectangular size is adjusted, and is then plugged in snap-gauge in jack again, and the tooth form inserted block on snap-gauge is plugged in tooth form slot, this
When adjust lid be relatively fixed, can realize the fastening to nut or screw；The hook-shaped wrench mechanism of the present invention can be to circle spiral shell
Mother operates, this is the prior art, its operation principle is no longer described in detail；In addition to this, the present invention also provides telescopic interior six
Angle wrench mechanism, the mechanism can operate six side's screws in three kinds of models, and specific work process is：Outer sliding sleeve can
The interior six sides screw for taking large-size is twisted, main rod body can operate six side's screws in medium size, and interior telescopic rod
The interior six sides screw for taking reduced size can be twisted, specifically adjusted and is known as：When initial position, outer sliding sleeve is located at top, this
When large-sized interior six sides screw can be operated, outer sliding sleeve is slided to the left, makes main rod body right part is convex to expose, this
When six side's screws in medium-sized can be operated, push up fixture block later, make the right end of interior telescopic rod is convex to expose, this
When six side's screws in small-sized can be operated；In screwing when six side's screws, main rod body can be held, thumb clasps
Fixture block can screw；
In conclusion present invention incorporates existing action wrench mechanisms and hook-shaped wrench mechanism to be integrated, then carry
A kind of novel sliding block spanner structure and telescopic allen wrench mechanism have been supplied, can have been completed through the above structure to thick spiral shell
The dismounting of mother, thin nut, round nut and interior six sides screw, it is versatile.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the upward view of Fig. 1；
Fig. 3 is the sectional view at B-B in Fig. 1；
Fig. 4 is the sectional view at D-D in Fig. 1；
Fig. 5 is the structural blast schematic diagram of the present invention.
Specific implementation mode
As shown in Figs. 1-5, multifunctional wrench of the invention, including left and right it is horizontal pull body 1, pull body 1 left part be circle
Shape structure, the left part for pulling body 1 offer transparent installation circular hole, and the bottom for pulling 1 left part of body is fixed with and installation circle
The installation ring flat-plate 2 that hole is coaxially set, the periphery for pulling 1 upper edge of body installation circular hole are opened up there are two horizontally disposed arc groove（Figure
In be not shown）, center symmetric setting of two arc grooves about installation circular hole, the left part for pulling body 1 offers and installation circular hole
The jack 4 of connection is inserted with snap-gauge 5 in jack 4, using the axis close to installation circular hole as inside, with the axis far from installation circular hole
Line is outside, and the inside of snap-gauge 5 is equipped with the tooth form inserted block 6 extending into installation circular hole；It pulls to be equipped in the installation circular hole of body 1 and adjust
Lid 7, adjusting lid 7 are the circular cover body structure with central through hole, and the periphery for adjusting lid 7 is fixed with two sliding blocks 8, two
Sliding block 8 is about the center symmetric setting for adjusting lid 7, and the size for adjusting lid 7 is adapted with the size of installation circular hole, two sliding blocks 8
Correspondence is stretched into and is slidably connected in two arc grooves respectively, and the periphery for adjusting lid 7 offers a toothrow shape slot 9, in snap-gauge 5
The tooth form inserted block 6 of side is plugged in tooth form slot 9；It adjusts and is equipped with nut check between the bottom surface of lid 7 and the top surface for installing ring flat-plate 2
Mechanism；
The right end for pulling body 1 is equipped with action wrench mechanism；
The middle part for pulling body 1 is equipped with hook-shaped wrench mechanism and telescopic allen wrench mechanism, and hook-shaped wrench mechanism includes double
The hook-shaped shank body 10 of laminated plank structure, hook-shaped shank body 10 are arranged along left and right horizontal direction, and the left end of hook-shaped shank body 10 passes through first
Pin 11 is hingedly pulled on body 1, and the right end of hook-shaped shank body 10 is hinged with by the second axis pin 12 hooks body 13, and the middle part for pulling body 1 is located at
In the double-deck clamp region of hook-shaped shank body 10；
Telescopic allen wrench mechanism includes the outer sliding sleeve 14, interior telescopic rod 15 and main rod body being transversely and horizontally set
16, the inner hollow and right end of main rod body 16 are open, and the left end of main rod body 16 is hinged on hook-shaped shank body 10 by third pin 17
Left end, the section shape of main rod body 16, the cross sectional shape of the inner cavity of main rod body 16, outer sliding sleeve 14 section shape and interior stretch
The cross sectional shape of contracting bar 15 is orthohexagonal, offers slot hole 18 in main rod body 16 along its length, consolidates on interior telescopic rod 15
There are fixture block 19, interior telescopic rod 15 to be plugged in the interior intracavitary of main rod body 16 by the right end of main rod body 16, fixture block 19 is located at slot hole 18 surely
Outer surface that is interior and protruding from main rod body 16, outer sliding sleeve 14, which is slidably connected at, pulls 1 lateral surface of body and close to the right end of main rod body 16.
Nut check mechanism includes the identical latch segment 20 of six structures, is vertically consolidated on the top and bottom of latch segment 20
There are guide rod 21, six latch segments 20 to be evenly arranged around the axis of installation circular hole, the medial surface of six latch segments 20 is encircled into surely
The top surface of orthohexagonal, installation ring flat-plate 2 is opened up there are six gliding groove 22, and six gliding grooves 22 are in circle around the center of installation ring flat-plate 2
Shape array arranges that the length direction of each gliding groove 22 is tangent with the endoporus of installation ring flat-plate 2, and the bottom surface for adjusting lid 7 offers
Six upper hopper chutes（It is not shown in figure）, six upper hopper chutes are evenly arranged around the axis for adjusting lid 7, and upper hopper chute and gliding groove 22 are one by one
It is correspondingly arranged, two guide rods 21 of each latch segment 20 are slidably connected at respectively in upper hopper chute and gliding groove 22.
Action wrench mechanism includes adjusting worm screw 23, fixed spanner 24 and movable jaw 25, and the fixed sliding of spanner 24 connects
It is connected on the right end for pulling body 1 and is fixed by the 4th pin 26, movable jaw 25 is slidably connected at the right end for pulling body 1, movable jaw
V-arrangement clamping opening is formed between 25 and fixed spanner 24, the right part for pulling body 1 is equipped with rectangular opening 28, adjusts worm screw 23 and passes through worm shaft
27 are rotatably connected on the right part for pulling body 1 and in rectangular opening 28, adjust worm screw 23 and be meshed with movable jaw 25.
Slot 29 is radially offered on interior telescopic rod 15,19 elastic conjunction of fixture block is in slot 29, fixture block 19
In the left side of outer sliding sleeve 14.
The present invention can be carried out operating twisting for different nuts, interior six sides screw and round nut and be taken, wherein self-tightening type
Wrench mechanism can dismantle high nut, and concrete operations are：It stirs and adjusts worm screw 23, due to adjusting worm screw 23 and Flexible spanner
First 25 are meshed, and movable jaw 25 is slidably connected at the right end of spanner, drive movable jaw 25 to move so adjusting worm screw 23, directly
To suitable position, then V-arrangement clamping opening is gripped in nut periphery, pulls body 1 later, you can fall nut dismounting, this work
Principle is identical as existing adjustable wrench operation principle；In addition the present invention also provides a kind of slide type wrench structure, the sliding blocks
Formula spanner structure is suitable for the nut of different model, and the nut that can adequately protect, will not be to nut when dismantling nut
Wedge angle twists convex, stability height, and specific work process is：Twist take nut when, by six mutually matched latch segments 20, often
A latch segment 20 moves under the action of guide rod 21 according to the track of regulation, in use, need to only extract the snap-gauge 5 of spanner, twists
The adjusting lid 7 on wrench top adjusts lid 7 and six latch segments 20 is driven to move, and is finally completed six 20 insides of latch segment and surrounds
Orthohexagonal size adjust, then snap-gauge 5 is plugged in again in jack 4, the tooth form inserted block 6 on snap-gauge 5 is plugged in tooth
In shape slot 299, lid 7 is adjusted at this time and is relatively fixed, the fastening to nut can be realized or screw；The hook-shaped wrench of the present invention
Mechanism can operate round nut；In addition to this, the present invention also provides telescopic allen wrench mechanism, the mechanism energy
Enough to be operated to six side's screws in three kinds of models, specific work process is：Outer sliding sleeve 14, which can twist, takes the interior of large-size
Six side's screws, main rod body 16 can operate six side's screws in medium size, and interior telescopic rod 15 can twist take it is smaller
The interior six sides screw of size specifically adjusted and was known as：When initial position, outer sliding sleeve 14 is located at top, at this time can be to big
The interior six sides screw of size operates, and outer sliding sleeve 14 is slided to the left, makes 16 right part of main rod body is convex to expose, at this time can
Six side's screws in medium-sized are operated, fixture block 19 is pushed up later, makes the right end of interior telescopic rod 15 is convex to expose, at this time
Six side's screws in small-sized can be operated；In screwing when six side's screws, main rod body 16 can be held, thumb clasps
Fixture block 19 can screw.
The present embodiment is not to be made any form of restriction to shape, material, the structure etc. of the present invention, every according to this hair
Bright technical spirit belongs to the technology of the present invention side to any simple modification, equivalent change and modification made by above example
The protection domain of case.
Claims (2)
1. multifunctional wrench, it is characterised in that：Including left and right it is horizontal pull body, pull body left part be circular configuration, pull body
Left part offers transparent installation circular hole, and the bottom for pulling body left part is fixed with the peace being arranged with installation circular hole coaxial line
Ring flat-plate is filled, the periphery for pulling body upper edge installation circular hole is opened up there are two horizontally disposed arc groove, and two arc grooves are justified about installation
The center symmetric setting in hole, the left part for pulling body offer the jack being connected to installation circular hole, snap-gauge are inserted in jack, to lean on
The axis of nearly installation circular hole is inside, and using the axis far from installation circular hole as outside, the inside of snap-gauge, which is equipped with, extend into installation circle
Tooth form inserted block in hole；It pulls to be equipped in the installation circular hole of body and adjusts lid, it is the circular lid knot with central through hole to adjust lid
Structure, the periphery for adjusting lid are fixed with two sliding blocks, and two sliding blocks adjust the size of lid about the center symmetric setting for adjusting lid
It is adapted with the size of installation circular hole, correspondence is stretched into and is slidably connected in two arc grooves two sliding blocks respectively, adjusts lid
Periphery offers a toothrow shape slot, and the tooth form inserted block on the inside of snap-gauge is plugged in tooth form slot；Adjust bottom surface and the installation of lid
Nut check mechanism is equipped between the top surface of ring flat-plate；
The right end for pulling body is equipped with action wrench mechanism；
The middle part for pulling body is equipped with hook-shaped wrench mechanism and telescopic allen wrench mechanism, and hook-shaped wrench mechanism includes the double-deck clamping plate
The hook-shaped shank body of structure, hook-shaped shank body are arranged along left and right horizontal direction, and the left end of hook-shaped shank body hingedly pulls body by the first pin
On, the right end of hook-shaped shank body is hinged with hook body by the second axis pin, and the middle part for pulling body is located at the double-deck clamp region of hook-shaped shank body
It is interior；
Telescopic allen wrench mechanism includes the outer sliding sleeve being transversely and horizontally set, interior telescopic rod and main rod body, main rod body
Inner hollow and right end are open, and the left end of main rod body is hinged on the left end of hook-shaped shank body, the section of main rod body by third pin
The cross sectional shape of the cross sectional shape of the inner cavity of shape, main rod body, the section shape of outer sliding sleeve and interior telescopic rod is positive six side
Shape offers slot hole in main rod body, fixture block is fixed on interior telescopic rod, interior telescopic rod is inserted by the right end of main rod body along its length
It is located at the interior intracavitary of main rod body, fixture block is located in slot hole and protrudes from the outer surface of main rod body, and outer sliding sleeve, which is slidably connected at, pulls body
The right end of lateral surface and close main rod body；
Nut check mechanism includes the identical latch segment of six structures, and guiding is vertically and fixedly provided on the top and bottom of latch segment
Bar, six latch segments are evenly arranged around the axis of installation circular hole, and the medial surface of six latch segments is encircled into orthohexagonal, mounting ring
The top surface of plate is opened up there are six gliding groove, and six gliding grooves are arranged around the rounded array in center of installation ring flat-plate, each gliding groove
Length direction it is tangent with the endoporus of installation ring flat-plate, the bottom surface for adjusting lid is opened up there are six upper hopper chute, and six upper hopper chutes are around tune
The axis of section lid is evenly arranged, and two guide rods of each latch segment are slidably connected in upper hopper chute and gliding groove respectively；
Action wrench mechanism includes adjusting worm screw, fixed spanner and movable jaw, and fixed spanner is rotatable by the 4th pin
It is connected to the right end for pulling body, movable jaw is slidably connected at the right end for pulling body, forms V-arrangement folder between movable jaw and fixed spanner
Mouthful, the right part for pulling body is equipped with rectangular opening, adjusts worm screw and is connected to the right part for pulling body by worm shaft and is located at rectangle
In hole, adjusts worm screw and be meshed with movable jaw.
2. multifunctional wrench according to claim 1, it is characterised in that：It is radially offered on interior telescopic rod slotting
Slot, for fixture block elastic conjunction in slot, fixture block is located at the left side of outer sliding sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710345018.9A CN107009305B (en) | 2017-05-16 | 2017-05-16 | Multifunctional wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710345018.9A CN107009305B (en) | 2017-05-16 | 2017-05-16 | Multifunctional wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107009305A CN107009305A (en) | 2017-08-04 |
| CN107009305B true CN107009305B (en) | 2018-09-04 |
Family
ID=59450100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710345018.9A Expired - Fee Related CN107009305B (en) | 2017-05-16 | 2017-05-16 | Multifunctional wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107009305B (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5927163A (en) * | 1993-02-17 | 1999-07-27 | G. Lyle Habermehl | Screwdriver with slotted nose for collated screws |
| US5699704A (en) * | 1993-02-17 | 1997-12-23 | Habermehl; G. Lyle | Exit locating collated screw strips and screwdrivers therefore |
| AUPO045296A0 (en) * | 1996-06-14 | 1996-07-11 | Henrob Ltd | Feeding heads for fastening machines |
| US5758768A (en) * | 1996-06-28 | 1998-06-02 | G. Lyle Habermehl | Supporting deflective screwstrip |
| US5802936A (en) * | 1997-03-07 | 1998-09-08 | Liu; Kuo Chen | Tool having a rotatable driving stem |
| CN2411085Y (en) * | 1999-12-17 | 2000-12-20 | 李慧 | Adjustable magnetic screwdriver |
| CN2411083Y (en) * | 2000-01-25 | 2000-12-20 | 谢智庆 | Rotating joint bar for ratchet spanner |
| CN2411084Y (en) * | 2000-02-15 | 2000-12-20 | 伟立兴业股份有限公司 | Antiskid reversing device for roller-type spanner |
| CN2411872Y (en) * | 2000-02-18 | 2000-12-27 | 上海蔡国鑫五金制品有限公司 | Ratchet screwdriver with lighting |
| CN2411873Y (en) * | 2000-03-03 | 2000-12-27 | 谢智庆 | Lighting structure of torque wrench |
-
2017
- 2017-05-16 CN CN201710345018.9A patent/CN107009305B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107009305A (en) | 2017-08-04 |
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