CN104858823A - Screw driver head wrench - Google Patents
Screw driver head wrench Download PDFInfo
- Publication number
- CN104858823A CN104858823A CN201410059939.5A CN201410059939A CN104858823A CN 104858823 A CN104858823 A CN 104858823A CN 201410059939 A CN201410059939 A CN 201410059939A CN 104858823 A CN104858823 A CN 104858823A
- Authority
- CN
- China
- Prior art keywords
- screwdriver head
- tool seat
- clamp ring
- groove
- circular groove
- 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.)
- Pending
Links
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
- B25B15/00—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
- B25B23/0007—Connections or joints between tool parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention relates to a screw driver head wrench. One end of a wrench main body is provided with a housing part, a tool seat in the housing part is provided with a perforated nesting groove to nest a screw driver head, a gripping device is arranged in the tool seat, a clipping ring groove is formed on the annular side of the nesting groove of the tool seat to bear a clipping ring which can elastically open and close, and the clipping ring can clip and position a screw driver head; the upper end of the clipping ring groove is provided with a small-diameter abutting part and the lower end is provided with a large-diameter expansion part, and the clipping ring can move between the abutting part and the expansion part of the clipping ring groove; the abutting part on the upper end of the clipping ring groove is used for limiting the elastic deformation of the clipping ring and prevents the screw driver head from exiting from above, and the nesting groove of the tool seat can be made into a perforated shape, the screw driver head can be directly pressed from the top of the tool seat, so that the screw driver head firstly exits from the nesting groove of the tool seat by a certain distance and furthermore a user is facilitated to grip, exert a force and draw off the screw drive head.
Description
Technical field
The present invention relates to a kind of Wrench being applied to collocation screwdriver head and using, make the tool seat of spanner can be easy to the screwdriver head spanner changed screwdriver head and effectively reduce integral manufacturing cost.
Background technology
General in time carrying out dismounting operation, be the bolt tool in response to various different types, often must change various different types (as yi word pattern, cross, star-like or outer-hexagonal type in dismantling device ... Deng) screwdriver head (bit) so that carry out dismounting operation; Refer to shown in Fig. 1, Fig. 2, for in the streets existing screwdriver head spanner, it is provided with a tool seat 11 in one end of wrench body 10, this tool seat 11 is provided with in polygonal fit slot 111, and annular groove 112 is provided with in the fit slot 111 of this tool seat 11, can the C-type clamp ring 12 of elasticity opening and closing for installing one; When the screwdriver head 20 of a tool draw-in groove 201 is socketed in the fit slot 111 of tool seat 11, utilizing this C-type clamp ring 12 to press from both sides pulls in the draw-in groove 201 of screwdriver head 20, and press from both sides with this C-type clamp ring 12 location screwdriver head 20 of pulling, screwdriver head 20 can be avoided in dismounting use procedure to depart from tool seat 11 arbitrarily.Only this screwdriver head spanner still has following deficiency in making or use:
1. because C-type clamp ring 12 can elasticity opening and closing in annular groove 112, when use operates, in order to avoid screwdriver head 20 to exit the fit slot 111 of tool seat 11 from top because of stressed, therefore the top of the fit slot 111 of tool seat 11 must be provided with block face 113, and the setting of this block face 113, fit slot 111 will be made cannot to offer in through shape, and be comparatively not easy to make.
2. when wish changes the screwdriver head of other different types, because force makes screwdriver head 20 exit the strength of fit slot 111, must can overcome the strength that C-type clamp ring 12 presss from both sides draw-in groove 201 of pulling, just can make outer of C-type clamp ring 12 and by screwdriver head 20 by exiting in the fit slot 111 of tool seat 11, but because the most length of screwdriver head 20 is inserted in the fit slot 111 of tool seat 11, the part length protruding out the below of tool seat 11 is then shorter, especially the screwdriver head of reduced size, its part length protruded is short and small especially, therefore user quite not easily grips force and to choose screwdriver head in the direct below by tool seat 11, and due to the fit slot 111 of tool seat 11 be not through shape, but block face 113 is provided with above fit slot 111, therefore user also cannot from the top of tool seat 11 pressing screwdriver head 20, screwdriver head 20 is made first to exit fit slot 111 1 segment distance of tool seat 11, screwdriver head 20 of choosing below tool seat 11 is connected in order to user, therefore user directly can only grip force and to choose screwdriver head 20 in the below of tool seat 11, cause to change and use quite inconvenience.
In order to improve the inconvenience of aforementioned screwdriver head spanner at the screwdriver head of other different types of replacing, namely there is dealer in the installing pressing provision for disengagement of the top of tool seat, refer to Fig. 3, shown in Fig. 4, compared to aforesaid screwdriver head spanner, it is only offer a perforation 114 at the block face 113 of tool seat 11, for wearing a pressing piece 13, this pressing piece 13 is provided with press section 131 at the upper outer of tool seat 11, butting section 132 is then provided with in the inside of tool seat 11, and then can in the upper outer of tool seat 11, after first making screwdriver head 20 exit fit slot 111 1 segment distance of tool seat 11 in the mode of pressing, user conveniently can grip force, and be connected in screwdriver head 20 of choosing below tool seat 11, but this pressing provision for disengagement owing to still must be provided with block face 113 above the fit slot 111 of tool seat 11, and offer perforation 114 in this block face 113, what therefore fit slot 111 was identical cannot offer in through shape, and be comparatively not easy to make, and this pressing provision for disengagement must be set up in tool seat 11, and then increase overall cost of manufacture.
Summary of the invention
In view of this, the present inventor is engaged in research and development and the making experience of relevant industries then for many years with it, for the problems faced further investigation of current institute, through long-term endeavour research with study, eventually grind and create a kind of dismounting and change not only can being convenient to screwdriver head, and structure simply effectively can reduce the clamping device of integral manufacturing cost, effectively to improve the shortcoming of prior art, this is design aim of the present invention.
For achieving the above object, the technical solution used in the present invention is:
A kind of screwdriver head spanner, it is characterized in that, it includes:
Wrench body: be provided with holding part at least one end;
Tool seat: be located in the holding part of wrench body, and be provided with fit slot in polygon and through, there is for socket the screwdriver head of socket part and draw-in groove;
Clamping device: be located in tool seat, this clamping device offers clip circular groove in the ring side of the fit slot of tool seat, and the clamp ring of bearing one elasticity folding in this clip circular groove, and the draw-in groove of screwdriver head of pulling with this clamp ring folder, wherein, this clip circular groove upper end is provided with the top of path, and lower end is provided with the enlarged portion in large footpath, and enables the displacement between the top and enlarged portion of this clip circular groove of this clamp ring.
Wherein, this wrench body other end is provided with grip part.
Wherein, this tool seat upper end is provided with block edge, and the top of the holding part of wrench body is connected to this block edge, the below of this tool seat is spacing with clasp block, and this tool seat is hubbed in the holding part of wrench body, be provided with ring tooth in the outer rim side of this tool seat, be provided with the ratchet device with this ring tooth engaged transmission in the side of the holding part of this wrench body, and drive this tool seat pivotable in the holding part of this wrench body.
Wherein, the top restriction clamp ring elasticity of the clip circular groove of this clamping device is opened outward, depart from the folder of clamp ring to prevent the draw-in groove of screwdriver head to pull, the space that the enlarged portion of this clip circular groove provides clamp ring elasticity to open outward, pull with the folder enabling the draw-in groove of screwdriver head depart from clamp ring.
Wherein, the internal diameter of the top of this clip circular groove is less than clamp ring and is shored by screwdriver head socket end the external diameter that elasticity opens outward, and be greater than clamp ring folder pull the draw-in groove of screwdriver head time the elasticity external diameter that inside contracts.
Wherein, the top of this clip circular groove is circular groove shape or inclined plane shape.
Wherein, the internal diameter of the enlarged portion of this clip circular groove is greater than clamp ring and is shored by screwdriver head socket end the external diameter that elasticity opens outward.
Wherein, in the clip circular groove of this clamping device, the clamp ring of bearing is a C-shaped clamp ring.
Wherein, the end socket that the fit slot of this tool seat makes screwdriver head be socketed end is positioned at the identical height and position of tool seat or protrudes from tool seat.
Compared with prior art, the beneficial effect that the present invention has is:
The invention provides a kind of screwdriver head spanner, be provided with clamping device in its tool seat, this clamping device offers clip circular groove in the ring side of the fit slot of tool seat, and with the flexible clamp ring of this clip circular groove bearing one, and press from both sides with this clamp ring location screwdriver head of pulling; Wherein, this clip circular groove is the top being provided with path in upper end, and lower end is then provided with the enlarged portion in large footpath, and makes this clamp ring can displacement between the top of this clip circular groove and enlarged portion; So, utilize the top of clip circular groove upper end to limit clamp ring elasticity to open outward, the folder that can prevent screwdriver head from departing from clamp ring is pulled, and the fit slot of tool seat is exited from top, make the fit slot of tool seat can make in through shape, and must not be provided with block face, and then reach the benefit being easy to tools seat.
The invention provides a kind of screwdriver head spanner, limit clamp ring elasticity owing to utilizing the top of clip circular groove upper end to open outward, the folder that can prevent screwdriver head from departing from clamp ring is pulled, and the fit slot of tool seat is exited from top, the fit slot of tool seat can be made in through shape, and then directly can press screwdriver head by the top of tool seat, make screwdriver head first exit fit slot one segment distance of tool seat, grip force with person easy to use to choose screwdriver head, reach the benefit being easy to change screwdriver head.
The invention provides a kind of screwdriver head spanner, fit slot due to tool seat can make in through shape, and can directly press screwdriver head by the top of tool seat, screwdriver head is made first to exit fit slot one segment distance of tool seat, grip force with person easy to use to choose screwdriver head, and must not set up pressing provision for disengagement, and then with simple structural design, reach the benefit effectively reducing integral manufacturing cost.
Accompanying drawing explanation
Fig. 1 is the action schematic diagram () that the first existing screwdriver head spanner collocation screwdriver head uses;
Fig. 2 is the action schematic diagram (two) that the first existing screwdriver head spanner collocation screwdriver head uses;
Fig. 3 is the action schematic diagram () that the second existing screwdriver head spanner collocation screwdriver head uses;
Fig. 4 is the action schematic diagram (two) that the second existing screwdriver head spanner collocation screwdriver head uses;
Fig. 5 is decomposed schematic diagram of the present invention;
Fig. 6 is combination schematic appearance of the present invention;
Fig. 7 is partial cutaway schematic view of the present invention;
Fig. 8 is that the present invention arranges in pairs or groups the schematic diagram of screwdriver head used;
Fig. 9-1 is the schematic diagram that clamp ring of the present invention elasticity on screwdriver head inside contracts;
Fig. 9-2 is schematic diagrames that clamp ring of the present invention elasticity on screwdriver head is opened outward;
Figure 10 is the action schematic diagram () of muff coupling opener head of the present invention;
Figure 11 is the action schematic diagram (two) of muff coupling opener head of the present invention;
Figure 12 is the use schematic diagram after muff coupling opener head of the present invention;
Figure 13 is the action schematic diagram () that the present invention changes screwdriver head;
Figure 14 is the action schematic diagram (two) that the present invention changes screwdriver head;
Figure 15 is the action schematic diagram (three) that the present invention changes screwdriver head.
Description of reference numerals: 10-body; 11-tool seat; 111-fit slot; 112-annular groove; 113-block face; 114-bores a hole; 12-C type clamp ring; 13-pressing piece; 131-press section; 132-butting section; 20-screwdriver head; 201-draw-in groove; 30-wrench body; 301-holding part; 302-grip part; 31-tool seat; ; 311-fit slot; 312-block edge; 313-ring tooth; 314-clip circular groove; 3141-top; 3142-enlarged portion; 32-baffle ring; 33-clasp; 34-ratchet device; 35-clamp ring; 40-screwdriver head; 41-working end; 42-is socketed end; 43-draw-in groove.
Detailed description of the invention
For making your juror further understand the present invention, hereby lifting preferred embodiment and coordinating graphic, describing in detail as rear:
Refer to Fig. 5, Fig. 6, shown in Fig. 7, screwdriver head spanner of the present invention is provided with holding part 301 in one end of wrench body 30, the other end is then grip part 302, one tool seat 31 be located in this holding part 301 is provided with fit slot 311 in polygon and through, for muff coupling opener head, in the holding part 301 that this tool seat 31 can be fixed at wrench body 30 or be pivotally hubbed in the holding part 301 of wrench body 30, in the present embodiment, this tool seat 31 is pivotally hubbed in the holding part 301 of wrench body 30, it is provided with block edge 312 in this tool seat 31 upper end, and make tool seat 31 can be placed in the holding part 301 of wrench body 30 by top, and the top of holding part 301 is connected to block edge 312, the below of this tool seat 31 then with baffle ring 32 and clasp 33 block spacing, and tool seat 31 is hubbed in the holding part 301 of wrench body 30, outer rim side separately in this tool seat 31 is provided with ring tooth 313, ratchet device 34 is then provided with in the side of the holding part 301 of wrench body 30, utilize the engaged transmission of ratchet device 34 and ring tooth 313, and tool seat 31 pivotable in the holding part 301 of wrench body 30 can be driven, due to the prior art that this ratchet device 34 has been quite ripe, and non-be emphasis of the present invention, therefore it will not go into details, clamping device is provided with in this tool seat 31 another, this clamping device offers clip circular groove 314 in the ring side of the fit slot 311 of tool seat 31, and can the clamp ring 35 of elasticity folding with this clip circular groove 314 bearing one, and press from both sides with this clamp ring 35 location screwdriver head of pulling, in the present embodiment, this clamp ring 35 is C-shaped clamp rings 35, wherein, this clip circular groove 314 is the tops 3141 being provided with path in upper end, lower end is then provided with the enlarged portion 3142 in large footpath, and make this clamp ring 35 can displacement between the top 3141 of this clip circular groove 314 and enlarged portion 3142, the top 3141 of this clip circular groove 314 limits clamp ring 35 elasticity and opens outward, pull with the folder preventing the draw-in groove of screwdriver head from departing from clamp ring 35, the enlarged portion 3142 of this clip circular groove 314 provides clamp ring 35 space that elasticity is opened outward, pulls with the folder making the draw-in groove of screwdriver head can depart from clamp ring 35, refer to shown in Fig. 7, Fig. 8, screwdriver head 40 is provided with working end 41 and socket end 42, the corresponding bolt tool for dismounting in this working end 41, this socket end 42 is hexagonal shape and is sheathed in the fit slot 311 of tool seat 31, and this socket end 42 is provided with draw-in groove 43 in appropriate position, pull for clamp ring 35 elastic clip, refer to shown in Fig. 9-1, when clamp ring 35 elastic clip pulls screwdriver head 40, this clamp ring 35 elasticity will inside contract and press from both sides and pull on the draw-in groove 43 of screwdriver head 40, and now this clamp ring 35 is D1 at the pull external diameter of state of folder, refer to shown in Fig. 9-2, when the elastic clip that screwdriver head 40 will depart from clamp ring 35 is pulled, the socket end 42 of this screwdriver head 40 will be shored clamp ring 35 elasticity and open outward, and the folder making the draw-in groove 43 of screwdriver head 40 depart from clamp ring 35 is pulled, and now this clamp ring 35 is D2 at the pull external diameter of state of non-folder, shown in Fig. 7, clamp ring 35 elasticity can be limited in order to make the top 3141 of clip circular groove 314 of the present invention to open outward, pull with the folder preventing the draw-in groove 43 of screwdriver head 40 from departing from clamp ring 35, the internal diameter of this top 3141 must be less than clamp ring 35 and be shored outer diameter D 2(that elasticity opens outward as shown in Fig. 9-2 by screwdriver head socket end 42), the folder that just can prevent the draw-in groove 43 of screwdriver head from departing from clamp ring 35 is pulled, and the internal diameter of this top 3141 also must be greater than clamp ring 35 folder pull the draw-in groove 43 of screwdriver head time the elasticity outer diameter D 1(that inside contracts as shown in fig. 9-1), to make the position of the movable top 3141 to clip circular groove 314 of clamp ring 35, in addition, the top 3141 of this clip circular groove 314 is can for meeting the circular groove shape of aforementioned condition, or for meeting the inclined plane shape of aforementioned condition, in the present embodiment, the top 3141 of this clip circular groove 314 is circular groove shapes, internal diameter as the enlarged portion 3142 of clip circular groove 314 then only needs to be greater than clamp ring 35 and is shored outer diameter D 2(that elasticity opens outward as shown in Fig. 9-2 by screwdriver head socket end 42), clamp ring 35 space that elasticity is opened outward can be provided, pull with the folder making the draw-in groove 43 of screwdriver head can depart from clamp ring 35.
Refer to shown in Figure 10, when the socket end 42 of screwdriver head 40 is sheathed in the fit slot 311 of tool seat 31, screwdriver head 40 is inserted by the top of tool seat 31, the socket end 42 of this screwdriver head 40 also forces clamp ring 35 elasticity to be opened outward, the position of the enlarged portion 3142 of clip circular groove 314 is positioned at due to this clamp ring 35, therefore clamp ring 35 space that elasticity is opened outward can be provided, and make the socket end 42 of screwdriver head 40 by clamp ring 35.Refer to shown in Figure 11, when the draw-in groove 43 of the socket end 42 of screwdriver head 40 corresponds to clamp ring 35, this clamp ring 35 will elasticity inside contract, and folder is pulled on the draw-in groove 43 of the socket end 42 of screwdriver head 40, screwdriver head 40 folder is pulled to be positioned in the fit slot 311 of tool seat 31, now screwdriver head 40 is socketed the end of end 42 is can be positioned at identical height and position with tool seat 31, or the end making screwdriver head 40 be socketed end 42 protrudes from tool seat 31, in the present embodiment, the end making this screwdriver head 40 rear end be socketed end 42 protrudes from tool seat 31.
Refer to shown in Figure 12, when use operates, the working end 41 of screwdriver head 40 front end will be subject to the reaction force of bolt tool, and due to the internal diameter of the top 3141 of clip circular groove 314 be greater than clamp ring 35 folder pull the draw-in groove 43 of screwdriver head time the elasticity outer diameter D 1(that inside contracts as shown in fig. 9-1), therefore the draw-in groove 43 of screwdriver head 40 will drive clamp ring 35 to be moved to the position of the top 3141 of clip circular groove 314, and shored outer diameter D 2(that elasticity opens outward because the internal diameter of this top 3141 is less than clamp ring 35 as shown in Fig. 9-2 by screwdriver head socket end 42), therefore the top 3141 of this clip circular groove 314 can limit clamp ring 35 elasticity and open outward, this folder that can prevent the draw-in groove 43 of screwdriver head 40 from departing from clamp ring 35 is pulled and exits from top, the use operation screwdriver head wrench of this i.e. Absorbable organic halogens carries out the dismounting operation of bolt tool, and due to the setting of this top 3141, make the fit slot 311 of tool seat 31 can make in through shape, and must not be provided with block face, and then the fit slot 311 making this tool seat 31 can be easy to.
Refer to shown in Figure 13, when screwdriver head 40 will be changed, fit slot 311 due to tool seat 31 makes in through shape, no matter therefore the end of the socket end 42 of screwdriver head 40 is positioned at identical height and position with tool seat 31 or protrudes from tool seat 31, user directly can press the end of the socket end 42 of screwdriver head 40 very easily above tool seat 31, makes the draw-in groove 43 of screwdriver head 40 drive clamp ring 35 to be moved to the position of the enlarged portion 3142 of clip circular groove 314.Refer to shown in Figure 14, when continuing at the end of the socket end 42 pressing screwdriver head 40 above tool seat 31, screwdriver head 40 will force clamp ring 35 elasticity to be opened outward, and make the socket end 42 of screwdriver head 40 rear end by clamp ring 35, make screwdriver head 40 first exit fit slot 311 1 segment distance of tool seat 31 from below; Refer to shown in Figure 15, when screwdriver head 40 is after fit slot 311 1 segment distance is exited in below, user can grip force easily with screwdriver head 40 of choosing, and then reaches the benefit being easy to change screwdriver head.Shown in Figure 12, the present invention opens outward because the top 3141 of this clip circular groove 314 can limit clamp ring 35 elasticity, pull with the folder preventing screwdriver head 40 draw-in groove 43 from departing from clamp ring 35 and exit from top, make the fit slot 311 of tool seat 31 can make in through shape, therefore user directly can be socketed the end of end 42 in the top of tool seat 31 pressing screwdriver head 40, this can not set up any pressing provision for disengagement, screwdriver head 40 can be made from below to exit fit slot 311 1 segment distance, and then with simple structural design, reach the benefit effectively reducing integral manufacturing cost.
Accordingly, the present invention is the design of a dark tool practicality and progressive in fact, so discloses there are no identical product and publication, thus permits symbol application for a patent for invention important document, files an application in whence in accordance with the law.
Claims (9)
1. a screwdriver head spanner, is characterized in that, it includes:
Wrench body: be provided with holding part at least one end;
Tool seat: be located in the holding part of wrench body, and be provided with fit slot in polygon and through, there is for socket the screwdriver head of socket part and draw-in groove;
Clamping device: be located in tool seat, this clamping device offers clip circular groove in the ring side of the fit slot of tool seat, and the clamp ring of bearing one elasticity folding in this clip circular groove, and the draw-in groove of screwdriver head of pulling with this clamp ring folder, wherein, this clip circular groove upper end is provided with the top of path, and lower end is provided with the enlarged portion in large footpath, and enables the displacement between the top and enlarged portion of this clip circular groove of this clamp ring.
2. screwdriver head spanner according to claim 1, is characterized in that, this wrench body other end is provided with grip part.
3. screwdriver head spanner according to claim 1, it is characterized in that, this tool seat upper end is provided with block edge, and the top of the holding part of wrench body is connected to this block edge, the below of this tool seat is spacing with clasp block, and is hubbed in the holding part of wrench body by this tool seat, is provided with ring tooth in the outer rim side of this tool seat, be provided with the ratchet device with this ring tooth engaged transmission in the side of the holding part of this wrench body, and drive this tool seat pivotable in the holding part of this wrench body.
4. screwdriver head spanner according to claim 1, it is characterized in that, the top restriction clamp ring elasticity of the clip circular groove of this clamping device is opened outward, pull with the folder preventing the draw-in groove of screwdriver head from departing from clamp ring, the space that the enlarged portion of this clip circular groove provides clamp ring elasticity to open outward, pulls with the folder enabling the draw-in groove of screwdriver head depart from clamp ring.
5. screwdriver head spanner according to claim 4, is characterized in that, the internal diameter of the top of this clip circular groove is less than clamp ring and is shored by screwdriver head socket end the external diameter that elasticity opens outward, and be greater than clamp ring folder pull the draw-in groove of screwdriver head time the elasticity external diameter that inside contracts.
6. screwdriver head spanner according to claim 5, is characterized in that, the top of this clip circular groove is circular groove shape or inclined plane shape.
7. screwdriver head spanner according to claim 4, is characterized in that, the internal diameter of the enlarged portion of this clip circular groove is greater than clamp ring and is held the external diameter shored elasticity and open by screwdriver head socket outward.
8. screwdriver head spanner according to claim 1, is characterized in that, in the clip circular groove of this clamping device, the clamp ring of bearing is a C-shaped clamp ring.
9. screwdriver head spanner according to claim 1, is characterized in that, the end socket that the fit slot of this tool seat makes screwdriver head be socketed end is positioned at the identical height and position of tool seat or protrudes from tool seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059939.5A CN104858823A (en) | 2014-02-21 | 2014-02-21 | Screw driver head wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410059939.5A CN104858823A (en) | 2014-02-21 | 2014-02-21 | Screw driver head wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104858823A true CN104858823A (en) | 2015-08-26 |
Family
ID=53905207
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410059939.5A Pending CN104858823A (en) | 2014-02-21 | 2014-02-21 | Screw driver head wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104858823A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2007432A (en) * | 1933-06-12 | 1935-07-09 | Mancuso Emanuel | Combination screw driver and socket wrench tool |
| US4535658A (en) * | 1982-03-05 | 1985-08-20 | Allen Manufacturing Company | Socket bit holder |
| US5073071A (en) * | 1987-09-09 | 1991-12-17 | Robert Bosch Gmbh | Shaft stop bushing |
| US5195858A (en) * | 1990-10-13 | 1993-03-23 | Camloc Gmbh | Fastener apparatus for locking together two components |
| CN2213048Y (en) * | 1994-07-14 | 1995-11-22 | 何永兴 | Multipurpose handle of wrench and screwdriver |
| EP0831008A1 (en) * | 1996-09-23 | 1998-03-25 | Magneti Marelli France | Fastening system of steering wheel of a motor vehicle |
| CN2841259Y (en) * | 2005-11-01 | 2006-11-29 | 史丹利七和国际股份有限公司 | But the ratchet spanner of socket screwdriver head |
| TWM466758U (en) * | 2013-08-22 | 2013-12-01 | Sung Jie Industry Co Ltd | Screwdriver-bit wrench tool |
-
2014
- 2014-02-21 CN CN201410059939.5A patent/CN104858823A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2007432A (en) * | 1933-06-12 | 1935-07-09 | Mancuso Emanuel | Combination screw driver and socket wrench tool |
| US4535658A (en) * | 1982-03-05 | 1985-08-20 | Allen Manufacturing Company | Socket bit holder |
| US5073071A (en) * | 1987-09-09 | 1991-12-17 | Robert Bosch Gmbh | Shaft stop bushing |
| US5195858A (en) * | 1990-10-13 | 1993-03-23 | Camloc Gmbh | Fastener apparatus for locking together two components |
| CN2213048Y (en) * | 1994-07-14 | 1995-11-22 | 何永兴 | Multipurpose handle of wrench and screwdriver |
| EP0831008A1 (en) * | 1996-09-23 | 1998-03-25 | Magneti Marelli France | Fastening system of steering wheel of a motor vehicle |
| CN2841259Y (en) * | 2005-11-01 | 2006-11-29 | 史丹利七和国际股份有限公司 | But the ratchet spanner of socket screwdriver head |
| TWM466758U (en) * | 2013-08-22 | 2013-12-01 | Sung Jie Industry Co Ltd | Screwdriver-bit wrench tool |
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Application publication date: 20150826 |