CN102463540B - Rocking wrench capable of being selectively locked or unlocked - Google Patents
Rocking wrench capable of being selectively locked or unlocked Download PDFInfo
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- CN102463540B CN102463540B CN 201010547566 CN201010547566A CN102463540B CN 102463540 B CN102463540 B CN 102463540B CN 201010547566 CN201010547566 CN 201010547566 CN 201010547566 A CN201010547566 A CN 201010547566A CN 102463540 B CN102463540 B CN 102463540B
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- pawl
- hole
- abutment edges
- head
- fore
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Abstract
The invention discloses a rocking wrench capable of being selectively locked or unlocked. The rocking wrench comprises a grab handle, a shifting piece, a support pillar, a positioning device, a pawl and a wrenching head, wherein the wrenching head is pivoted with the grab handle, the toothed part of the wrenching head can be meshed with the toothed part of the pawl, and the shifting piece can be switched between an unlocking position and a locking position; when the shifting piece is in the unlocking position, the positioning device is butted with the first end of the support pillar, the second end of the support pillar is butted with the first butting face of the pawl, the toothed part of the pawl is meshed with the toothed part of the wrenching head, and the grab handle and the wrenching head can relatively rock; and when the shifting piece is in the locking position, the concave hole of the shifting piece corresponds to the positioning device, a second butting edge is butted with the first butting face of the pawl, the toothed part of the pawl is further meshed with the toothed part of the wrenching head, and the pawl can not freely move in a communication hole, so that the pawl and the wrenching head are positioned.
Description
Technical field
The present invention discloses a kind of swing-head spanner, refers in particular to a kind of swing-head spanner that can be chosen as locking or not lock.
Background technology
With reference to No. 7509893 (Locking device for locking pivotable head ofhand tool) Patent Case of U.S. Patent number, it mainly comprises: a shank, at least one end of this shank is extended with a convergence part, the end of this convergence part is arranged with the pivot connected slot of a predetermined depth inwardly, a slotted eye is then offered on the surface, this slotted eye front end just is communicated with the tank of pivot connected slot bottom, and pivot connected slot both sides ear and coaxially offer a perforation; One stirs the unit, comprise and being installed with in slotted eye and can be relative to the bar section that slotted eye rotates, and be positioned at the plectrum that supplies operation outside the convergence part, and its king-rod section stage casing is provided with a circular arc camber and a concave plane, and also respectively there is the edge of placing restrictions on of step shape the location division that bar section is upper and lower section and the junction in stage casing; One pushes up the unit of pulling, and comprises the pawl and the elastic component that are positioned at tank, pawl front end tool tooth section; One pulling head, an end side surface has a perforation, but is that the perforation that the both sides ear of the pivot connected slot of mat pin and convergence part offers articulates, and one of this pulling head end side face form can with the profile of tooth person of pawl engagement.This slotted eye rear end is provided with an accommodating hole, and this accommodating hole system is installed with for locating unit, and this positioning unit comprises a steel ball and a spring.
Previous designs includes two elastic parts, and the elastic component of one of them provides the elastic reset of pawl, and the another one spring provides the location of stirring the unit.Must do in order to allow elastic component be limited in pawl some measures allow elastic component can automatic trip from pawl, previous designs has adopted to be utilized fastener or establishes impression at tank, prevent that further elastic component breaks away from pawl, no matter be that fastener or impression swing-head spanner all occurs easily drop and make elastic component break away from tank, therefore such design has flaw, and remains to be improved.And when the elasticity of elastic component wore out, elastic component will affect between pawl and the pulling head and can't locate accurately, and has loosening phenomenon.
Therefore, the present invention wants to get rid of or alleviate at least the problem that prior art meets with.
Summary of the invention
The technical problem of institute of the present invention wish solution ties up to the disappearance that exists in for prior art, and a kind of swing-head spanner that can be chosen as locking or not lock is provided.
The present invention is a kind of for this reason can be chosen as the swing-head spanner that locks or do not lock, and it includes:
A lever, the one end is pivot end, this pivot end comprises first a pivot ear, second a pivot ear, a recess, appearance hole, an intercommunicating pore and an accommodating hole, this recess is between this first pivot ear and the second pivot ear, this intercommunicating pore is communicated with this recess and this appearance hole, and this intercommunicating pore holds between the hole at this recess and this, and this holds the hole between this accommodating hole and this intercommunicating pore, is provided with a positioner in this accommodating hole;
A shifting part, it is located at this appearance hole, and the periphery of this shifting part forms first abutment edges may and second abutment edges may, and this first abutment edges may and this second abutment edges may are and join, this shifting part laterally is provided with a through hole, and contiguous this through hole is provided with a shrinkage pool;
A fore-set, it is arranged in this through hole, and this fore-set comprises first end and the second end, and this fore-set first end is corresponding to this positioner, and this fore-set second distal process is exposed to this first abutment edges may;
A pawl, it is located at this intercommunicating pore, and this pawl can be subject to the promotion of this fore-set and be displaced into this intercommunicating pore, and this pawl comprises that one first is supported face, and this pawl forms several tooth sections in contrast to this first end that supports face;
A pulling head, it is articulated in this lever, this pulling head comprises a pivot section, the periphery ring of this pivot section is provided with several tooth sections, the tooth section of this pulling head can be engaged in this tooth section of pawl, this shifting part can not switch change between locking position and the locking position, when this shifting part is positioned at not locking position, pull in the first end of this fore-set in this positioner top, second end of this fore-set is resisted against first of this pawl and supports face, and the tooth section of this pawl is engaged in the tooth section of this pulling head, can relatively swing between this lever and this pulling head; This shifting part is positioned at locking position, the shrinkage pool of this shifting part is corresponding to this positioner, this second abutment edges may pushes against first of this pawl and supports face, further make the tooth section of this pawl be engaged in the tooth section of this pulling head, and this pawl can't move freely in this intercommunicating pore, forms the location between this pawl and this pulling head and make.
The technological means that the present invention mainly improves is, by the fore-set first end corresponding to this positioner, this fore-set second end promotes pawl, make pawl be engaged in pulling head, fore-set directly is subject to the promotion of positioner, and the effect that can provide pawl to be engaged in pulling head, and pulling head can produce spine move with pawl, and pulling head can be swung relatively with lever.
The technological means of the less important improvement of the present invention is, when shifting part is positioned at locking position, this positioner is positioned the shrinkage pool of this shifting part, shifting part utilizes its second abutment edges may to be connected to this pawl, make this pawl be engaged in this pulling head, and this pawl can't move freely in this intercommunicating pore, forms the location between this pawl and this pulling head and make.This pawl is directly promoted and is positioned pulling head, and this pawl can produce the location accurately, does not have loosening phenomenon.
Other purpose, advantage and novel characteristics of the present invention will be more obvious from the following detailed description and related drawings.
Description of drawings
Fig. 1: the stereo appearance figure that can be chosen as the swing-head spanner that locks or do not lock for the present invention.
Fig. 2: the three-dimensional exploded view that can be chosen as the swing-head spanner that locks or do not lock for the present invention.
Fig. 3: for the present invention can be chosen as the cutaway view of locking or the swing-head spanner that do not lock, the schematic diagram of table positioner and shifting part.
Fig. 4: for the shifting part of swing-head spanner of the present invention is positioned at the not schematic diagram of locking position, the schematic diagram of table pawl and pulling head.
Fig. 5: the thin section enlarged drawing of being got by Fig. 4 by the present invention.
Fig. 6: be the continuity of Fig. 5 of the present invention, the schematic diagram of the relative pulling head swing of lever of table swing-head spanner.
Fig. 7: be the continuity of Fig. 6 of the present invention, the pawl of table swing-head spanner is engaged in the schematic diagram of pulling head.
Fig. 8: the schematic diagram of stirring shifting part for the present invention.
Fig. 9: the schematic diagram that is positioned at locking position for the shifting part of swing-head spanner of the present invention.
Figure 10: the schematic diagram that is engaged in pulling head for the pawl of swing-head spanner of the present invention.
Figure 11: the thin section enlarged drawing of being got by Figure 10 by the present invention.
The primary clustering symbol description
10 levers, 101 pivot ends
102 holding ends, 103 first surfaces
104 second surfaces, 11 first pivot ears
111 perforation, 12 second pivot ears
121 combined holes, 13 recesses
14 hold hole 15 intercommunicating pores
16 accommodating holes, 17 articulated parts
171 heads, 172 joint portions
20 shifting parts, 201 first ends
202 second ends, 21 clicking sections
22 first abutment edges may, 23 second abutment edges may
24 the 3rd abutment edges may, 25 through holes
26 shrinkage pools
30 fore-sets, 301 first ends
302 second ends
40 positioners, 41 elastic components
42 top valve parts
50 pawls 51 first support face
52 second support face 53 tooth sections
60 pulling heads, 61 drive holes
62 pivot sections, 621 pivot holes
622 tooth sections
The specific embodiment
The technology that relevant the present invention adopted, means and effect thereof, hereby lift a preferred embodiment and cooperate graphic detailed description as after, this is not subjected to the restriction of this kind structure only for explanation in patent application.
Referring to figs. 1 through 3, can be chosen as stereo appearance figure, three-dimensional exploded view and the cutaway view of the swing-head spanner that locks or do not lock for the present invention.The present invention's the swing-head spanner that can be chosen as locking or not lock comprises a lever 10, a shifting part 20, a fore-set 30, a positioner 40, a pawl 50 and a pulling head 60.
These lever 10 1 ends are pivot end 101, and the other end is holding end 102, and this holding end 102 provides the gripping effect, and this pivot end 101 can articulate this pulling head 60, and this pivot end 101 more comprises a first surface 103 and a second surface 104.This pivot end 101 comprises first a pivot ear 11, second a pivot ear 12, a recess 13, appearance hole 14, an intercommunicating pore 15 and an accommodating hole 16.This first pivot ear 11 is provided with a perforation 111, and it is poroid that it is class.This second pivot ear 12 is provided with a combined hole 121.This lever 10 more is provided with an articulated part 17, and these articulated part 17 1 ends are a head 171, and the other end is a joint portion 172, and this head 171 wears and supports and be located at this perforation 111, and this joint portion 172 is incorporated into this combined hole 121.This recess 13 is between this first pivot ear 11 and the second pivot ear 12.This appearance hole 14 is formed towards second surface 104 by the first surface 103 of this lever 10, and should hold hole 14 these first surfaces 103 of connection, and this appearance hole 14 is closed towards an end of second surface 104.This intercommunicating pore 15 is communicated with this recess 13 and holds hole 14 with this, this accommodating hole 16 this appearances hole 14 that communicates, and should appearance hole 14 between this intercommunicating pore 15 and this accommodating hole 16.
This shifting part 20 is located at this appearance hole 14, this shifting part 20 comprises first end 201 and the second end 202, these shifting part 20 first ends 201 are cylindric and are positioned at this appearance hole 14, these shifting part 20 second ends 202 are stretched out by the periphery of this first end 201 and form a clicking section 21, and it is exposed to this appearance hole 14.The periphery of these shifting part 20 first ends 201 forms first abutment edges may 22, second abutment edges may 23 and the 3rd abutment edges may 24, this first abutment edges may 22, the second abutment edges may 23 and the 3rd abutment edges may 24 all are plane, and this first abutment edges may 22 and the second abutment edges may 23 are joins, this first abutment edges may 22 and the 3rd abutment edges may 24 are crossing, and the 3rd abutment edges may 24 is parallel to end face and the bottom surface of this shifting part 20.This first abutment edges may 22 is first length to the vertical range of the outer peripheral edges of this shifting part 20, and this second abutment edges may 23 is second length to the vertical range of the outer peripheral edges of this shifting part 20, and this second length is less than this first length.These shifting part 20 first ends 201 laterally be provided with a through hole 25, it penetrates this first abutment edges may 22, and this through hole 25 is perpendicular to this first abutment edges may 22.The periphery of these shifting part 20 first ends 201 more is provided with a shrinkage pool 26, an end of these through hole 25 contiguous these shrinkage pools 26, and itself and this shrinkage pool 26 lays respectively at the both sides of this clicking section 21, and this shrinkage pool 26 is relative with this second abutment edges may 23.
This fore-set 30 is arranged in the through hole 25 of this shifting part 20.This fore-set 30 comprises first end 301 and the second end 302, and these fore-set 30 first ends 301 are plane, and these fore-set 30 second ends 302 are taper.These fore-set 30 first ends 301 are corresponding to this positioner 40, and these fore-set 30 second ends 302 are exposed to this first abutment edges may 22.
This positioner 40 is located in this accommodating hole 16, and this positioner 40 can be selectively corresponding to this fore-set 30 and this shrinkage pool 26.This positioner 40 comprises an elastic component 41 and a top valve part 42, and this top valve part 42 is made as steel ball, and this top valve part 42 is subject to the elasticity pushing tow of this elastic component 41 and can pushes up and pull in this fore-set 30 first ends 301 or this shrinkage pool 26.
This pawl 50 is located at this intercommunicating pore 15, and this pawl 50 can be subject to the promotion of this fore-set 30 and be displaced into this intercommunicating pore 15.This pawl 50 comprise one first support face 51 with one second to face 52, this first supports the end face that face 51 is positioned at this pawl 50, this second supports face 52 and first supports face 51 perpendicular to this, this first supports face 51 and can support and be located at this first abutment edges may 22 or this second abutment edges may 23, and this second supports face 52 and can support and be located at the 3rd abutment edges may 24.This pawl 50 forms several tooth sections 53 in contrast to this first end that supports face 51.
This pulling head 60 is articulated in this lever 10, and this pulling head 60 comprises a drive hole 61 and a pivot section 62, and this drive hole 61 can drive to be driven, and this pivot section 62 laterally forms a pivot hole 621, and the periphery ring of this pivot section 62 is provided with several tooth sections 622.This pivot section 62 is positioned at this recess 13, and this pivot section 62 is between this first pivot ear 11 and the second pivot ear 12, and this articulated part 17 is arranged in this perforation 111 and is incorporated into this combined hole 121 with this pivot hole 621.This tooth section 622 is corresponding to the tooth section 53 of this pawl 50, and this tooth section 622 can be engaged in this tooth section 53.
Simultaneously with reference to Figure 4 and 5, for the shifting part of swing-head spanner of the present invention is positioned at the not schematic diagram of locking position.The lever 10 of the present invention's swing-head spanner relatively this pulling head 60 swings, this shifting part 20 can not switch change between locking position and the locking position, this lever 10 can swing relatively with this pulling head 60 or lever 10 forms the location with this pulling head 60 and control.
When this shifting part 20 is positioned at not locking position, pulls in the first end 301 of this fore-set 30 in these positioner 40 tops, and the second end 302 of this fore-set 30 is resisted against first of this pawl 50 and supports face 51, and the tooth section 53 of this pawl 50 is engaged in the tooth section 622 of this pulling head 60.
Simultaneously with reference to Fig. 6 and 7, be the schematic diagram of the relative pulling head swing of lever of swing-head spanner of the present invention.At this moment, be movable and can relatively swing between this lever 10 and this pulling head 60.This lever 10 is during with this pulling head 60 relative swing, the tooth section 53 of this pawl 50 produces relative spine move with the tooth section of this pulling head 60 622, the tooth section 622 that the tooth section 53 of this pawl 50 is subject to this pulling head 60 promotes, make this first support face 51 and move towards this first abutment edges may 22, and this second support face 52 slippages in the 3rd abutment edges may 24.This first second end 302 that supports face 51 and promote this fore-set 30, this fore-set 30 is displaced into this intercommunicating pore 15, and these fore-set 30 first ends 301 press in the top of this positioner 40 valve part 42, and this top valve part 42 oppresses in this elastic component 41, make this elastic component 41 form elastic compression.
With reference to Fig. 8 to 11, be positioned at the schematic diagram of locking position for the shifting part of swing-head spanner of the present invention.Stir the clicking section 21 (asking for an interview Fig. 2) of this shifting part 20 in locking position, the shrinkage pool 26 of this shifting part 20 is corresponding to this positioner 40, and this this top valve part 42 of elastic component 41 elasticity orders for discharge is positioned this shrinkage pool 26, at this moment, the second end 302 of this fore-set 30 breaks away from first of this pawl 50 with this first abutment edges may 22 and supports face 51, the 3rd abutment edges may 24 breaks away from second of this pawl 50 and supports face 52, this second abutment edges may 23 is connected to this and first supports face 51, by this second length less than this first length, make first of these the second abutment edges may 23 these pawls 50 of pushing and pressing support face 51, further make the tooth section 53 of this pawl 50 be engaged in the tooth section 622 of this pulling head 60, and this pawl 50 can't move freely in this intercommunicating pore 15, forms the location between this pawl 50 and this pulling head 60 and make.
Can summarize the present invention with regard to the above and have following advantage:
1. the present invention " swing-head spanner that can be chosen as locking or not lock ", by the fore-set first end corresponding to this positioner, this fore-set second end promotes pawl, make pawl be engaged in pulling head, fore-set directly is subject to the promotion of positioner, and the effect that can provide pawl to be engaged in pulling head, and pulling head can produce spine move with pawl, and pulling head can be swung relatively with lever.
2. the present invention " swing-head spanner that can be chosen as locking or not lock ", when shifting part is positioned at locking position, this positioner is positioned the shrinkage pool of this shifting part, shifting part utilizes its second abutment edges may to be connected to this pawl, make this pawl be engaged in this pulling head, and this pawl can't move freely in this intercommunicating pore, forms the location between this pawl and this pulling head and make.This pawl is directly promoted and is positioned pulling head, and this pawl can produce the location accurately, does not have loosening phenomenon.
The above person of thought, only be the present invention's preferred embodiment, when can not with the scope of restriction the invention process, so the such as displacement of the change of numerical value or equivalent elements, or according to equalization variation and modification that the present patent application claim is done, all should still belong to the category that patent of the present invention contains.
Claims (9)
1. the swing-head spanner that can be chosen as locking or not lock is characterized in that, includes:
A lever, the one end is pivot end, this pivot end comprises first a pivot ear, second a pivot ear, a recess, appearance hole, an intercommunicating pore and an accommodating hole, this recess is between this first pivot ear and the second pivot ear, this intercommunicating pore is communicated with this recess and this appearance hole, and this intercommunicating pore holds between the hole at this recess and this, and this holds the hole between this accommodating hole and this intercommunicating pore, is provided with a positioner in this accommodating hole;
A shifting part, it is located at this appearance hole, the periphery of this shifting part forms first abutment edges may and second abutment edges may, and this first abutment edges may and this second abutment edges may are joins, this first abutment edges may is first length to the vertical range of the outer peripheral edges of this shifting part, and this second abutment edges may is second length to the vertical range of the outer peripheral edges of this shifting part, and this second length is less than this first length, this shifting part laterally is provided with a through hole, and contiguous this through hole is provided with a shrinkage pool;
A fore-set, it is arranged in this through hole, and this fore-set comprises first end and the second end, and this fore-set first end is corresponding to this positioner, and this fore-set second distal process is exposed to this first abutment edges may;
A pawl, it is located at this intercommunicating pore, and this pawl can be subject to the promotion of this fore-set and be displaced into this intercommunicating pore, and this pawl comprises that one first is supported face, and this pawl forms several tooth sections in contrast to this first end that supports face;
A pulling head, it is articulated in this lever, this pulling head comprises a pivot section, the periphery ring of this pivot section is provided with several tooth sections, the tooth section of this pulling head can be engaged in this tooth section of pawl, this shifting part can not switch change between locking position and the locking position, when this shifting part is positioned at not locking position, pull in the first end of this fore-set in this positioner top, second end of this fore-set is resisted against first of this pawl and supports face, and the tooth section of this pawl is engaged in the tooth section of this pulling head, can relatively swing between this lever and this pulling head; This shifting part is positioned at locking position, the shrinkage pool of this shifting part is corresponding to this positioner, this second abutment edges may pushes against first of this pawl and supports face, further make the tooth section of this pawl be engaged in the tooth section of this pulling head, and this pawl can't move freely in this intercommunicating pore, forms the location between this pawl and this pulling head and make.
2. as claimed in claim 1ly can be chosen as locking or the swing-head spanner that do not lock, it is characterized in that, the periphery of this shifting part first end forms the 3rd abutment edges may, and this first abutment edges may and the 3rd abutment edges may are crossing, and the 3rd abutment edges may is parallel to end face and the bottom surface of this shifting part.
3. the swing-head spanner that can be chosen as locking or not lock as claimed in claim 2 is characterized in that this first abutment edges may, the second abutment edges may and the 3rd abutment edges may all are plane.
4. the swing-head spanner that can be chosen as locking or not lock as claimed in claim 1 is characterized in that, an end of contiguous this shrinkage pool of this through hole, and itself and this shrinkage pool lays respectively at the both sides of this clicking section, and this shrinkage pool is relative with this second abutment edges may.
5. the swing-head spanner that can be chosen as locking or not lock as claimed in claim 1 is characterized in that this fore-set first end is plane, and this fore-set second end is taper.
6. as claimed in claim 1ly can be chosen as locking or the swing-head spanner that do not lock, it is characterized in that, this positioner comprises an elastic component and a top valve part, and this top valve part is subject to the elasticity pushing tow of this elastic component and can pushes up and pull in this fore-set first end or this shrinkage pool.
7. the swing-head spanner that can be chosen as locking or not lock as claimed in claim 6 is characterized in that this top valve part is made as steel ball.
8. as claimed in claim 2ly can be chosen as locking or the swing-head spanner that do not lock, it is characterized in that this pawl comprises that one second is supported face, this second supports face and first supports face perpendicular to this, and this second supports face and can support and be located at the 3rd abutment edges may.
9. as claimed in claim 1ly can be chosen as locking or the swing-head spanner that do not lock, it is characterized in that, this the first pivot ear is provided with a perforation, it is poroid that it is class, this the second pivot ear is provided with a combined hole, the pivot section of this pulling head laterally forms a pivot hole, and articulated part is arranged in this perforation and this pivot hole and is incorporated into this combined hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010547566 CN102463540B (en) | 2010-11-15 | 2010-11-15 | Rocking wrench capable of being selectively locked or unlocked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010547566 CN102463540B (en) | 2010-11-15 | 2010-11-15 | Rocking wrench capable of being selectively locked or unlocked |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102463540A CN102463540A (en) | 2012-05-23 |
| CN102463540B true CN102463540B (en) | 2013-10-23 |
Family
ID=46067812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010547566 Expired - Fee Related CN102463540B (en) | 2010-11-15 | 2010-11-15 | Rocking wrench capable of being selectively locked or unlocked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102463540B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103433879A (en) * | 2013-09-02 | 2013-12-11 | 太仓市旭冉机械有限公司 | Wrench for electric power iron tower |
| CN114800351B (en) * | 2021-01-18 | 2024-02-13 | 英发企业股份有限公司 | Head swinging tool |
| CN116997439A (en) * | 2021-01-28 | 2023-11-03 | 艾沛克斯品牌公司 | Hand tool with locking flexible head |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2908051Y (en) * | 2006-04-29 | 2007-06-06 | 史丹利七和国际股份有限公司 | Angle adjustable location tilting-head ratchet spanner |
| US7509893B2 (en) * | 2007-06-27 | 2009-03-31 | Proxene Tools Co., Ltd. | Locking device for locking pivotable head of hand tool |
| TW200916270A (en) * | 2007-10-05 | 2009-04-16 | Proxene Tools Co Ltd | Wrench with fast replaceable driving head |
| US7581468B2 (en) * | 2007-11-23 | 2009-09-01 | Proxene Tools Co., Ltd. | Control device for angle adjustable hand tool |
| TWM367057U (en) * | 2009-05-08 | 2009-10-21 | Min-Jing Cai | Pivoting tool positioning device |
| CN201519919U (en) * | 2009-09-16 | 2010-07-07 | 蔡敏菁 | Structure for controlling swinging head of spanner |
-
2010
- 2010-11-15 CN CN 201010547566 patent/CN102463540B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN102463540A (en) | 2012-05-23 |
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