CN100395080C - Rotary head wrench - Google Patents
Rotary head wrench Download PDFInfo
- Publication number
- CN100395080C CN100395080C CNB2005100312432A CN200510031243A CN100395080C CN 100395080 C CN100395080 C CN 100395080C CN B2005100312432 A CNB2005100312432 A CN B2005100312432A CN 200510031243 A CN200510031243 A CN 200510031243A CN 100395080 C CN100395080 C CN 100395080C
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- piece
- wrench
- control
- division
- rotary head
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Abstract
The present invention discloses rotary head wrench. A control component is arranged in the fixed connection section of a wrenching component and a wrench component, one end of the control component is mutually and hermetically clamped with a clamping section in the wrench component in a polygonal or insection mode, and the other end of the control component is arranged in a control section at the end part of the wrenching component in an insection or polygonal mode in order to achieve the function of free rotation. A clamping restraining section with an insection or polygonal mode is arranged in one end of the control section so that the control component and the wrenching component can be mutually and hermetically clamped or disengaged in order to achieve the action of clamping and the function of disengaging from rotation. Therefore, the present invention can be ensured to achieve the aims of increasing clamping firmness and reducing manufacture cost in a simplified integral forming structure.
Description
Technical field:
The present invention relates to a kind of spanner, refer to a kind of rotary head wrench especially.
Background technology:
Present existing rotary head wrench, its control structure is rather complicated, as No. 482064 " rotary handle type combination wrench structure " novel patent case of TaiWan, China notification number, it is the control of dialling of between adaptor and lever spare, establishing the tool abaculus, dial in the control and establish fluted disc, fluted disc one end tool ratchet line and adaptor engagement, and fluted disc holds central authorities to establish axis hole with spigot and the clamping of lever spare in addition, and the other control abaculus place of dialling relatively of fluted disc establishes inclined guide groove, then rotate to dial control and can drive fluted disc through abaculus and rotate up and down, form fluted disc and adaptor for not contacting mutually or being meshing with each other.
As No. 515359 " ratchet spanner turns to the control structure " novel patent case of TaiWan, China notification number, be to articulate a joint seat and be pivoted to driving end again in holding end of body, hold between body and joint seat with the two end portions is that the control group that circle and hexagon and tool are led portion is connected, the mobile that establishes the tool bite in the Connection Block is with the blocking driving end, then when control group hex end when holding the blocking of body junction surface, can be with mobile's bite contact driving end in the joint seat, otherwise the control group is led portion can make in the joint seat mobile with the bite disengaging and do not contact mutually.
As No. 542053 " changeing the fixed angle structural improvement of spanner soon " novel patent case of TaiWan, China notification number, be to be provided with sheathed axis hole and axle bed mutually in drive division and trigger piece portion, and axis hole and axle bed are established the ratchet and the fixed angle structure of tool two clipping blocks, the outer ratchet of clipping block one end can be engaged mutually with ratchet in the axis hole, the stroke angles stationary state, and clipping block in addition end form fast commentaries on classics state for even surface.
As No. 592899 " combination wrench structural improvement " patent of invention case of TaiWan, China notification number and I220120 number " combination wrench structural improvement " patent of invention case of TaiWan, China notification number, be in lever and the direct junction of actuator, to establish clip mechanism, or respectively be that hexagon and columniform connector join with two ends, the connector hex end is equipped in the lever, and the cylinder-shaped end connector is placed in the actuator, and establishes clip mechanism in the connector; Establish the control piece of recess and the clipping block of two ends mask groove on the clip mechanism tool one, when the control piece that is arranged in connecting piece central authorities is equipped on the location, two clipping blocks that are arranged in connector cylindrical end side can be ejected, clipping block end face groove is engaged with actuator, otherwise, then be located at recess on the control piece and can make to contract in the clipping block and make groove break away from actuator to the connector and can freely rotate.
As M243303 number " structural improvement of rotary handle type spanner " novel patent case of TaiWan, China notification number, be in lever spare and actuator articulated section, to establish a bolt, and the axle bolt is other to be established clip fin and end and establishes and push away the control button, the axis hole of actuator is that hexagon is spacing relation with fitted shaft bolt lower end six foot lever sections, and lever spare axis hole is the ratchet hole, can cooperate the clip fin to be pushed away control button pushing and form and mesh or disengaged position.
The above-mentioned existing structure of detailed sight is not difficult to find to remain a little not enough place, and main cause is summarized as follows:
1, complex structure: owing to use many primary structural components to form controlling organization, its snap-in structure complexity, its structural stability is relatively poor, and then influences user's ease of use.
2, manufacturing cost is higher: because control member is to form with many primary structural components, causes the complicated and assembling of the manufacturing process of spanner to be difficult for, thereby cause the manufacturing cost of spanner higher.
Summary of the invention:
Technical problem to be solved by this invention is: at the deficiencies in the prior art, provide a kind of rotary head wrench that lever and driving end fixing position are established integrated rotational angle control piece that is simplified in.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention: a kind of rotary head wrench, comprise the wrench element of tool grip part and Fixed Division, the pulling piece of tool cover oral area, the Fixed Division of pulling piece and wrench element articulates mutually, also comprise a control piece, this control piece is positioned at the Fixed Division of described pulling piece and wrench element, and this control piece has an engaging piece and a holding section, and the holding section is positioned at the engaging piece upper end and links to each other with engaging piece; Be provided with the fastening part that is oppositely arranged with the holding section in the lower end, Fixed Division of wrench element, and the holding section of fastening part and control piece keeps the normality blocking, pulling piece is being provided with a control part for perforation with the wrench element place of being articulated, one end of control part inner radius is provided with the limit card division with respect to the engaging piece of control piece, and place, the adjacent limit of control part card division forms one can form the space of idle running to this for the engaging piece of control piece after control piece move, the in addition end that control part is relative with the limit card division is established fixed part, is provided with the portion of being fixed in the control part and limits the elastomer deviate from.
Establish a limiting section for perforation on the Fixed Division of described wrench element, described control piece is positioned at the limiting section of wrench element and the control part of fastening part and pulling piece, and first drive division is established in the end of control piece, and first drive division passes the limiting section of wrench element, and first driving part links to each other in the upper end, holding section and with the holding section.Establish a perforation on the fixed part of described pulling piece, and establish second drive division with respect to the fixed part perforation part of pulling piece.The holding section height of described control piece is greater than the height of the fastening part of wrench element.The second drive division peripheral hardware of described control piece is put described elastomeric holding part.Described engaging piece is established built-in described elastomeric holding part with respect to the fixed part place of pulling piece.Described fastening part is interior groove or polygonal.Described limit card division is groove or polygonal.
Establish the free end of the limiting section that passes for the control piece end in the Fixed Division of described wrench element and establish a pushing portion, and a thrust piece is set in the pushing portion.The pushing portion free end face that described thrust piece passes wrench element is provided with the pushing part, and other end of pushing part is established pressing part relatively, and in the other location division of establishing inclined plane shape of pressing part.Establish being pivoted to the articulated section at wrench element pushing portion edge near a side edge in described thrust piece stage casing, and thrust piece sets up pulling part and pressing part separately in the two ends, articulated section.Described thrust piece central authorities establish the circumflex branch portion that is pivoted to wrench element pushing portion, and the end face of the relative control piece of thrust piece establishes the pressing part of inclined protrusions shape, in pressing part in addition end face establish turn portion.
A kind of rotary head wrench of the present invention, the wrench element that comprises tool grip part and Fixed Division, the pulling piece of tool cover oral area, the Fixed Division of pulling piece and wrench element articulates mutually, be characterized in also comprising a control piece, this control piece is positioned at the Fixed Division of described pulling piece and wrench element, this control piece has an engaging piece and a holding section, pulling piece is being provided with a control part for perforation with the wrench element place of being articulated, be respectively equipped with the fastening part that is oppositely arranged and keeps mutually the normality blocking with the holding section in the Fixed Division of wrench element and the control part of pulling piece, and be provided with the limit card division for the engaging piece of control piece, form one in place, adjacent limit card division and can move the back in control piece for the engaging piece of control piece and form the space of idle running to this.
Compared with prior art, advantage of the present invention is: this rotary head wrench is established integrated rotational angle control piece in lever and driving end fixing position, or in manual pressing operation mode, or the location design of establishing thrust piece in the control piece end, reach the purpose that reaches firm blocking driving end and lever with simple structure, thereby can reduce manufacturing cost significantly.
Description of drawings:
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a decomposing schematic representation of the present invention.
Fig. 3 is a user mode schematic diagram of the present invention.
Fig. 4 is control piece of the present invention blocking pulling piece and a wrench element section action schematic diagram respectively.
Fig. 5 is the blocking schematic diagram of another embodiment of control piece of the present invention.
Fig. 6 is the blocking user mode figure of an embodiment of thrust piece of the present invention.
Fig. 7 is the user mode figure that gets loose of an embodiment of thrust piece of the present invention.
Fig. 8 is the blocking user mode figure of another embodiment of thrust piece of the present invention.
Fig. 9 is the user mode figure that gets loose of another embodiment of thrust piece of the present invention.
Figure 10 is the local state figure of the another embodiment of thrust piece of the present invention.
Figure 11 is the schematic perspective view of Figure 10.
The figure number explanation:
10 wrench elements
12 Fixed Divisions, 11 grip parts
13 limiting sections, 14 fastening parts
16 pushing portions of 15 pushing portions
17 pushing portions
20 pulling pieces
21 cover oral areas, 22 control parts
23 limit card divisions, 24 fixed parts
30 control pieces
31 first drive divisions, 32 holding sections
33 engaging pieces, 34 second drive divisions
35 holding parts
40 elastomers
50 thrust pieces
51 pushing parts, 52 pressing parts
53 location divisions
60 thrust pieces
61 pulling parts, 62 pressing parts
63 articulated sections
70 thrust pieces
71 circumflex branch portions, 72 pressing parts
73 turn portions
The specific embodiment:
For enabling further to understand structure of the present invention, feature and other purpose, now with as after preferred embodiment attached with graphic detailed description, only the illustrated embodiment of this legend is not to be the unique restriction in the patent application only for the usefulness of explanation.
See also Fig. 1 and Fig. 2, the present invention is made up of wrench element 10, pulling piece 20 and control piece 30, wherein, wrench element 10 1 ends are established grip part 11 and are held in addition and establish Fixed Division 12, establish the limiting section 13 of circular perforations shape on the Fixed Division 12, establish the fastening part 14 that bore is slightly larger than the polygonal perforation shape of limiting section 13 in limiting section 13 with respect to pulling piece 20 ends, making can ccontaining control piece 30 usefulness in limiting section 13 and the fastening part 14.
Pulling piece 20 1 ends are established cover oral area 21, use to screw or nut as clamping, and in addition end is established and is joined with wrench element 10 Fixed Divisions 12 and bore is slightly larger than the control part 22 of fastening part 14 perforation shapes, establish the limit card division 23 that groove in the tool and bore are slightly larger than fastening part 14 near fastening part 14 places in the control part 22, to engage built-in control piece 30 usefulness, in addition in the in addition end of control part 22 with respect to limit card division 23, set firmly the fixed part 24 of the small-bore perforation of a tool, with the limiting section 13 that control piece 30 is limited to wrench element 10 and fastening part 14 control part 22 internal activities with pulling piece 20.
Please cooperate Fig. 3, shown in Figure 4, when the user depresses control piece 30 first drive divisions 31, can make engaging piece 33 break away from pulling piece 20 limit 23 zones, card division, and the control part 22 that enters no groove is held inner in addition, then form pulling piece 20 user mode free to rotate, the user can go to the desired location place with pulling piece 20 cover oral areas 21, that is allow cover oral area 21 and wrench element 10 form specific deflection angle, push control piece 30 second drive divisions 34 again, then control piece 30 holding sections 32 and engaging piece 33 can be pushed back in wrench element 10 fastening parts 14 and the pulling piece 20 limit card divisions 23 separately, and form the state of mutual driving fit clamping in twos, when then the user pulls wrench element 10 grip parts 11, can drive control piece 30 holding sections 32 via fastening part 14 in wrench element 10 Fixed Divisions 12, interlock control piece 30 engaging pieces 33 are done in the same way and are rotated, drive pulling piece 20 limit card divisions, 23 actions that driving fit is connected in engaging piece 33 again, pulling piece 20 cover oral areas 21 are rotated thereupon, reach with special to enter the hand orientation and come elastic cover to be connected to the interior screw of pulling piece 20 cover oral areas 21 or the purpose of nut.
Consider ease of use, control piece 30 holding sections 32 height settings can be become be slightly larger than wrench element 10 fastening parts 14, then when control piece 30 is pressed past pulling piece 20 directions to move, holding section 32 nearly first drive division, 31 ends still have part to be stuck in wrench element 10 fastening parts 14, forming control piece 30 is and the state of wrench element 10 driving fit clampings that then control piece 30 can firmly be connected in wrench element 10 and the pulling piece 20 and can not rotate.
Pulling piece 20 limit card divisions 23 and control piece 30 engaging pieces 33 also can be made as polygon and driving fit clamping mutually.
Consider ease of use, can set up control piece 30 function of rebounding automatically, its structure is same as above-mentioned, only need to establish holding part 35 in control piece 30 engaging pieces 33 and 34 of second drive divisions, with built-in elastomer 40, then when the user pushed first drive division 31 and rotates pulling piece 20 to required angle, as long as loose one's grip, then elastomer 40 can be back to the state of limitting card division 23 driving fit clampings with pulling piece 20 with control piece 30 engaging pieces 33 tops.
Hold above-mentioned, please cooperate shown in Figure 5, the enforcement structure of another control piece 30 that rebounds automatically can be: pulling piece 20 fixed parts 24 are the sheet cover plate of atresia, and control piece 30 also need not to be provided with second drive division 34, only need to establish holding part 35 in control piece 30 engaging pieces 33 relative pulling piece 20 fixed parts 24 places, in holding part 35 built-in elastomers 40, also can reach identical purpose.
Again, aforementioned wrench element 10 is interchangeable with pulling piece 20 internal structures, and control piece 30 is relative structure, also can reach required purpose.
Please cooperate referring to Fig. 6, shown in Figure 7, divided by manually pushing control piece 30 first drive divisions 31 in mobile control piece 30 modes, also can be used in the design that place, relative first drive division 31 ends establishes thrust piece 50 in the wrench element 10, its structure is same as aforementioned more, only need in wrench element 10, to allow the place of passing, control piece 30 first drive divisions, 31 end establish and the adjacent limiting section 13 of pulling piece 20 control parts 22, establish groove shape pushing portion 15 in limiting section 13 free end faces again, with usefulness as ccontaining thrust piece 50, make thrust piece 50 pass wrench element 10 pushing portions 15 free end faces and be made as pushing part 51, and pushing part 51 other ends are established the pressing part 52 that can directly suppress first drive division, 31 ends relatively, and in pressing part 52 other location divisions 53 of establishing 52 one-tenth potential differences of inclined plane shape and pressing part, when then the pressing part 52 of thrust piece 50 is displaced to and contacts with first drive division, 31 ends, 23 one-tenth blocking states of control piece 30 engaging pieces 33 and pulling piece 20 limit card divisions, and be displaced to when contacting with first drive division 31 when the location division 53 of thrust piece 50, then make the limit card division 23 of the engaging piece 33 disengaging pulling pieces 20 of control piece 30, wrench element 10 and pulling piece 20 can freely be relatively rotated because of the pressing part 52 and the potential difference of location division 53.
Again, please cooperate referring to Fig. 8, shown in Figure 9, aforesaid thrust piece 50 also can change thrust piece 60 patterns into, adjacent pulling piece 20 control parts 22 places establish the limiting section 13 of perforation shape in wrench element 10, pass in order to control piece 30 first drive divisions 31, establish pushing portion 16 in limiting section 13 free ends again, usefulness with the thrust piece 60 that is pivoted, thrust piece 60 is a long element, one end is established and is passed pushing portion 16 and can lean in the pulling part 61 at pushing portion 16 edges, and other end is established the pressing part 62 of cam-like, and in both central authorities nearly side edge establish articulated section 63 to be articulated in pushing portion 16 edges of limiting section 13 tops, it is different and form potential difference to the thickness of pressing part 62 relative sides to form articulated section 63, then when pressing part 62 is replaced control piece 30 first drive divisions 31 ends with thicker edge, control piece 30 engaging pieces 33 can be limit the 23 one-tenth blockings in card division with pulling piece 20, and be rotated into when replacing control piece 30 first actuators 31 ends than thin edges when pressing part 62, then control piece 30 engaging pieces 33 and pulling piece 20 limit card divisions 23 are for separating, and wrench element 10 and pulling piece 20 can be rotated relatively freely.
Please cooperate Figure 10, shown in 11, aforesaid thrust piece 50 also can change thrust piece 70 patterns into, that is in wrench element 10 adjacent pulling piece 20 control parts 22 places establish the perforation shape limiting section 13, pass in order to control piece 30 first drive divisions 31, establish pushing portion 17 in limiting section 13 free ends again, usefulness with the thrust piece 70 that is pivoted, thrust piece 70 is a round sheet member, its central authorities establish circumflex branch portion 71 and are articulated in the pushing portion 17 with pin member and make its edge and the repetition of limiting section 13 ports, the end face of thrust piece 70 relative control piece 30 first drive divisions 31 is established the pressing part 72 of inclined protrusions shape and is formed potential difference, establish turn portion 73 in thrust piece 70 relative pressing parts 72 other end faces again, usefulness in order to user's turn, when thrust piece 70 rotates to pressing part 72 when replacing first drive division, 31 ends of control piece 30, then the engaging piece 33 of control piece 30 can with 23 one-tenth blockings in limit card division of pulling piece 20, and when pressing part 72 whiz limiting sections 13 top positions, then the engaging piece 33 of control piece 30 can break away from the limit card division 23 of pulling piece 20, and wrench element 10 and pulling piece 20 can be rotated relatively freely.
Accordingly, determine that the present invention has the following advantages:
1, significantly reduce manufacturing cost: because simplified design structure significantly, in wrench element 10 with pulling piece 20 fixing positions in establish the integrally formed control of capable of controlling rotary angle Part 30 makes driving end energy Small-angle Rotation, determines significantly to reduce manufacturing of spanner This.
2, significantly promote application category: which kind of angle to advance hand to peace in the face of needing no matter be by During the environment of holding position, the user can directly make pulling piece 20 deflections on demand by oneself Angle, thereby determine to reach the purpose that significantly promotes the spanner application category.
Claims (15)
1. rotary head wrench, comprise the wrench element of tool grip part and Fixed Division, the pulling piece of tool cover oral area, the Fixed Division of pulling piece and wrench element articulates mutually, it is characterized in that: also comprise a control piece, this control piece is positioned at the Fixed Division of described pulling piece and wrench element, this control piece has an engaging piece and a holding section, and the holding section is positioned at the engaging piece upper end and links to each other with engaging piece; Be provided with the fastening part that is oppositely arranged with the holding section in the lower end, Fixed Division of wrench element, and the holding section of fastening part and control piece keeps the normality blocking, pulling piece is being provided with a control part for perforation with the wrench element place of being articulated, one end of control part inner radius is provided with the limit card division with respect to the engaging piece of control piece, and place, the adjacent limit of control part card division forms one can form the space of idle running to this for the engaging piece of control piece after control piece move, the in addition end that control part is relative with the limit card division is established fixed part, is provided with the portion of being fixed in the control part and limits the elastomer deviate from.
2. rotary head wrench as claimed in claim 1, it is characterized in that: establish a limiting section for perforation on the Fixed Division of described wrench element, described control piece is positioned at the limiting section of wrench element and the control part of fastening part and pulling piece, and first drive division is established in the end of control piece, and first drive division passes the limiting section of wrench element, and first driving part links to each other in the upper end, holding section and with the holding section.
3. rotary head wrench as claimed in claim 2 is characterized in that: establish a perforation on the fixed part of described pulling piece, and establish second drive division with respect to the fixed part perforation part of pulling piece.
4. rotary head wrench as claimed in claim 3 is characterized in that: the holding section height of described control piece is greater than the height of the fastening part of wrench element.
5. rotary head wrench as claimed in claim 3 is characterized in that: the second drive division peripheral hardware of described control piece is put described elastomeric holding part.
6. rotary head wrench as claimed in claim 2 is characterized in that: described engaging piece is established built-in described elastomeric holding part with respect to the fixed part place of pulling piece.
7. as claim 3 or 6 described rotary head wrench, it is characterized in that: described fastening part is interior groove.
8. as claim 3 or 6 described rotary head wrench, it is characterized in that: described fastening part is a polygonal.
9. as claim 3 or 6 described rotary head wrench, it is characterized in that: described limit card division is a groove.
10. as claim 3 or 6 described rotary head wrench, it is characterized in that: described limit card division is a polygonal.
11. rotary head wrench as claimed in claim 3 is characterized in that: the free end of establishing the limiting section that passes for the control piece end in the Fixed Division of described wrench element is established a pushing portion, and a thrust piece is set in the pushing portion.
12. rotary head wrench as claimed in claim 11 is characterized in that: the pushing portion free end face that described thrust piece passes wrench element is provided with the pushing part, and other end of pushing part is established pressing part relatively, and in the other location division of establishing inclined plane shape of pressing part.
13. rotary head wrench as claimed in claim 11 is characterized in that: establish being pivoted to the articulated section at wrench element pushing portion edge near a side edge in described thrust piece stage casing, and thrust piece sets up pulling part and pressing part separately in the two ends, articulated section.
14. rotary head wrench as claimed in claim 11 is characterized in that: described thrust piece central authorities establish the circumflex branch portion that is pivoted to wrench element pushing portion, and the end face of the relative control piece of thrust piece establishes the pressing part of inclined protrusions shape, in pressing part in addition end face establish turn portion.
15. rotary head wrench, the wrench element that comprises tool grip part and Fixed Division, the pulling piece of tool cover oral area, the Fixed Division of pulling piece and wrench element articulates mutually, it is characterized in that: also comprise a control piece, this control piece is positioned at the Fixed Division of described pulling piece and wrench element, this control piece has an engaging piece and a holding section, pulling piece is being provided with a control part for perforation with the wrench element place of being articulated, be respectively equipped with the fastening part that is oppositely arranged and keeps mutually the normality blocking with the holding section in the Fixed Division of wrench element and the control part of pulling piece, and be provided with the limit card division for the engaging piece of control piece, form one in place, adjacent limit card division and can move the back in control piece for the engaging piece of control piece and form the space of idle running to this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100312432A CN100395080C (en) | 2005-02-02 | 2005-02-02 | Rotary head wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100312432A CN100395080C (en) | 2005-02-02 | 2005-02-02 | Rotary head wrench |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1814412A CN1814412A (en) | 2006-08-09 |
| CN100395080C true CN100395080C (en) | 2008-06-18 |
Family
ID=36906825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100312432A Expired - Fee Related CN100395080C (en) | 2005-02-02 | 2005-02-02 | Rotary head wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100395080C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI494198B (en) * | 2013-10-15 | 2015-08-01 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4530262A (en) * | 1983-05-31 | 1985-07-23 | Pownall Larry D | Releasably lockable articulated handle |
| US5775184A (en) * | 1994-06-16 | 1998-07-07 | Cole; James Ellis | Indexable wrenches |
| CN2396930Y (en) * | 1999-11-11 | 2000-09-20 | 谢智庆 | Wrench with movable driving end |
| JP2001121435A (en) * | 1999-10-27 | 2001-05-08 | Suekage Sangyo Kk | Wrench |
| DE10301785B3 (en) * | 2003-01-18 | 2004-06-09 | William Tools Co., Ltd. | Rapid-rotation spanner has angle matching device allowing spanner body to be positioned at required angle relative to spanner drive head |
| TW592899B (en) * | 2003-07-22 | 2004-06-21 | Hou-Fei Hu | Improved structure for composite wrench |
| CN1565808A (en) * | 2003-06-27 | 2005-01-19 | 利益得股份有限公司 | Articulated spanner |
-
2005
- 2005-02-02 CN CNB2005100312432A patent/CN100395080C/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4530262A (en) * | 1983-05-31 | 1985-07-23 | Pownall Larry D | Releasably lockable articulated handle |
| US5775184A (en) * | 1994-06-16 | 1998-07-07 | Cole; James Ellis | Indexable wrenches |
| JP2001121435A (en) * | 1999-10-27 | 2001-05-08 | Suekage Sangyo Kk | Wrench |
| CN2396930Y (en) * | 1999-11-11 | 2000-09-20 | 谢智庆 | Wrench with movable driving end |
| DE10301785B3 (en) * | 2003-01-18 | 2004-06-09 | William Tools Co., Ltd. | Rapid-rotation spanner has angle matching device allowing spanner body to be positioned at required angle relative to spanner drive head |
| CN1565808A (en) * | 2003-06-27 | 2005-01-19 | 利益得股份有限公司 | Articulated spanner |
| TW592899B (en) * | 2003-07-22 | 2004-06-21 | Hou-Fei Hu | Improved structure for composite wrench |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI494198B (en) * | 2013-10-15 | 2015-08-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1814412A (en) | 2006-08-09 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20080618 Termination date: 20130202 |