CN102235447B - Ratchet brake device - Google Patents

Ratchet brake device Download PDF

Info

Publication number
CN102235447B
CN102235447B CN201010157295A CN201010157295A CN102235447B CN 102235447 B CN102235447 B CN 102235447B CN 201010157295 A CN201010157295 A CN 201010157295A CN 201010157295 A CN201010157295 A CN 201010157295A CN 102235447 B CN102235447 B CN 102235447B
Authority
CN
China
Prior art keywords
holding piece
engine device
internal gear
ratchet
ora terminalis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201010157295A
Other languages
Chinese (zh)
Other versions
CN102235447A (en
Inventor
黄金潭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201010157295A priority Critical patent/CN102235447B/en
Publication of CN102235447A publication Critical patent/CN102235447A/en
Application granted granted Critical
Publication of CN102235447B publication Critical patent/CN102235447B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)

Abstract

The invention discloses a ratchet brake device, which comprises a body, a coupling piece which passes through the body, a clamping group which passes through the coupling piece and a rotary control piece which is arranged on the body, wherein the clamping group is provided with a plurality of first elastic components and a plurality of clamping pieces which are constrained by the first elastic components; and the clamping pieces are respectively provided with an end edge which is formed on an end face and is controlled by the rotary control piece, a side edge which is formed on one side face and is clamped with or separated from the body along with the position change of the end edge, and two blocking surfaces. Therefore, structural strength and clamping torsion force are improved by a plurality of clamping points formed by the clamping pieces.

Description

The ratchet engine device
Technical field
The present invention relates to a kind of ratchet engine device, particularly relate to a kind of ratchet engine device of the turn that can commutate.
Background technique
With general ratchet wrench is example; Like No. 371612 case of Taiwan Certificate Number, No. 364578 case, No. 361409 case, No. 361407 case, No. 361406 case ... Deng; Consist predominantly of a body, projection a shaft coupling, and be used to control a stopper group of this shaft coupling turn direction in this end of body.This shaft coupling is used for the instrument (like sleeve, bottle opener etc.) of socket different size.This stopper group have can be left and right a clipping block of moving partially and this shaft coupling of clip.Whereby, utilize the variation of this clipping block position, make this shaft coupling can forward or reverse turn, or fixed, and then reach the purpose that bolt spare of unidirectional turn and idle running are return.
Yet, because this clipping block is a single-piece, can only act on this shaft coupling with single-point, that is to say; This clipping block has only the position that contacts with this shaft coupling, could produce the clip effect, therefore; When this ratchet wrench turn, stress can concentrate between this clipping block and this shaft coupling, and the situation that latch bursts apart not only takes place easily; And tend to turn torsion between this clipping block and this shaft coupling, exist structural strength not enough, be easy to generate the shortcoming of slippage because blocking power is not enough to load.
In order to improve aforesaid drawbacks, this case claimant is previous to apply for and announces the Taiwan patent M308143 case of checking and approving, No. 369979 case promptly with the plural at least clip point of a plurality of pallets formation, and then can promote structural strength.Yet, owing to aforementioned pallet must engage with ratchet with same end face simultaneously, and engage with clamping groove, reduction clip area is arranged, and the irreducible shortcoming of integral thickness.
Summary of the invention
The object of the present invention is to provide a kind of ratchet engine device that can promote structural strength and clip torsion.
Ratchet engine device of the present invention comprises a body, the part that is coupling, a clip group, and one revolves control.This body has around an axis and defines an internal gear of a perforation.This part that is coupling passes the perforation of this body, and has at least two chutes of symmetrical distribution.This clip group has and is set in this and is coupling in part chute and several holding pieces and several first elastic components of the corresponding aforementioned chute of quantity; This holding piece receives under the pressure of this first elastic component; Have respectively be formed on a side and in abutting connection with a lateral margin of this body internal gear, be formed on an end face and in abutting connection with an ora terminalis of this lateral margin, and just be formed on, back of the body two sides and in abutting connection with two stopping surfaces of this ora terminalis.This revolves control and is arranged on this body; And have several limited parts of the corresponding aforementioned holding piece of quantity; Each limited part has away from this axis and supplies this holding piece ora terminalis springing to being snapped into a deep trouth district of this internal gear with this lateral margin, this stopping surface, and contiguous this axis and be formed on this deep trouth district one side and compress this holding piece ora terminalis breaks away from this internal gear to this lateral margin a shallow slot district.
Ratchet engine device of the present invention; This revolves that control just is being used for, reverse turn and be anchored in a primary importance that is positioned at the direct limit position; And be positioned at the second place of inverse limit position; The ora terminalis that makes at least one holding piece is opened to this lateral margin, this stopping surface along this deep trouth district bullet and is engaged with the internal gear of this body, and the ora terminalis of all the other holding pieces is then by this shallow slot district compression and make this lateral margin, this stopping surface break away from the internal gear of this body.
Ratchet engine device of the present invention; This revolves control and also is anchored in one the 3rd position that is positioned between this primary importance and this second place, and the ora terminalis that makes aforementioned holding piece is opened to this lateral margin, this stopping surface along this deep trouth district bullet simultaneously and engaged with the internal gear of this body.
Ratchet engine device of the present invention; This ratchet engine device also includes a location group; And this part that is coupling has and is formed on an end face and revolves a tank of control towards this; This revolves control also has and follows the turn direction to arrange and towards three shrinkage pools of this tank; Aforementioned shrinkage pool is used to define this primary importance, this second place and the 3rd position, and this location group has a spheroid that is contained between this tank and any shrinkage pool, and is set in one second elastic component that this tank and any shrinkage pool of ejection this spheroid and this engage.
Ratchet engine device of the present invention, the holding piece of this clip group is total several right, and two two for a pair of and be set in relatively in the chute of this part that is coupling respectively, makes this first elastic component compel to be against each between holding piece.
Ratchet engine device of the present invention, each also has an involutory portion that is formed on another side and complementation respectively to holding piece, and is used to hold a groove of this first elastic component, and each is to involutory recess, protuberance that is respectively complementation of holding piece.
Ratchet engine device of the present invention, this revolves control and has a slice ring flat-plate that forms aforementioned limited part, reaches a ring edge around this ring flat-plate.
Ratchet engine device of the present invention, aforementioned limited part runs through this ring flat-plate.
Ratchet engine device of the present invention, aforementioned limited part are formed on the plate face of this ring flat-plate towards this clip group.
Ratchet engine device of the present invention, aforementioned limited part are formed on inner edge of this ring flat-plate.
Beneficial effect of the present invention is: the ora terminalis with holding piece described in the present invention cooperates with said limited part; Make aforementioned holding piece can act on the internal gear of body, and then can form a plurality of clip points, promote structural strength with whole lateral margin; And the clip area that can increase, promote clip torsion.
Description of drawings
Fig. 1 is the three-dimensional exploded view of first preferred embodiment of ratchet engine device of the present invention;
Fig. 2 is a three-dimensional combination figure of this first preferred embodiment;
Fig. 3 is the sectional view along Fig. 2 straight line III-III direction;
Fig. 4 is the sectional view along Fig. 3 straight line IV-IV direction;
Fig. 5 is a sectional view of the part that is coupling of a reverse drive of body in this first preferred embodiment;
Fig. 6 is that this body is return a sectional view of idle running around this part forward that is coupling in this first preferred embodiment;
Fig. 7 is the sectional view that this body forward drives this part that is coupling in this first preferred embodiment;
Fig. 8 be in this first preferred embodiment this body around the reverse sectional view of returning idle running of this part that is coupling;
Fig. 9 is the sectional view of second preferred embodiment of ratchet engine device of the present invention;
Figure 10 is the sectional view of the 3rd preferred embodiment of ratchet engine device of the present invention;
Figure 11 is the three-dimensional exploded view of the 4th preferred embodiment of ratchet engine device of the present invention;
Figure 12 is the sectional view of the 5th preferred embodiment of ratchet engine device of the present invention.
Among the figure: 1. body; 10. perforation; 11. internal gear; 111. latch; 2. part is coupling; 21. end face; 22. chute; 23. tank; 3. clip group; 31. holding piece; 310. stopping surface; 311. lateral margin; 312. end face; 313. ora terminalis; 314. involutory portion; 315. groove; 32. holding piece; 320. stopping surface; 321. lateral margin; 322. end face; 323. ora terminalis; 324. involutory portion; 325. groove 33. first elastic components; 4. revolve control; 41. ring flat-plate; 411. plate face; 412. inner edge; 42. ring edge 43. limited parts 431. deep trouth districts 432. shallow slot districts, 441. shrinkage pools, 442. shrinkage pools; 443. shrinkage pool; 5. location group; 51. spheroid; 52. second elastic component; 53. cover plate; 54.C shape button.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Consult Fig. 1, Fig. 2 and Fig. 3, first preferred embodiment of ratchet engine device of the present invention comprise a body 1, one be coupling part 2, clip group 3, one revolve control 4 and a location group 5.
This body 1 has around an axis X and defines a perforation internal gear 11 of 10.This internal gear 11 has several latches 111.
This part 2 that is coupling passes the perforation 10 of this body 1, and has two chutes 22 that are symmetrically distributed in these axis X both sides and extended along parallel this axis X direction by an end face 21, and is formed on a tank 23 of this end face 21.
This clip group 3 has the two pairs of holding pieces 31,32 that are set in these part 2 chutes 22 that are coupling, and two first elastic components 33.Each is a pair of to 31,32 two two of holding pieces and is set in relatively in the chute 22 of this part 2 that is coupling; And have respectively and be formed on a side and in abutting connection with the lateral margin 311,321 of this body 1 internal gear 11; Be formed on an end face 312,322 and in abutting connection with the ora terminalis 313,323 of this lateral margin 311,321, and just be formed on, back of the body two sides and in abutting connection with two stopping surfaces 310,320 of this ora terminalis 313,323.Aforementioned first elastic component 33 is set in this chute 22 respectively and the aforementioned holding piece of ejection 31,32 courts open away from the direction bullet of this axis X.
This revolves control 4 and is arranged on this body 1 and is used for just, reverse turn being anchored in a primary importance (like Fig. 7) that is positioned at the direct limit position, a second place (like Fig. 5) that is positioned at the inverse limit position, and is positioned at one the 3rd position (like Fig. 4) between this primary importance and this second place.Two pairs of limited parts 43 that this revolves control 4 and has a slice ring flat-plate 41, runs through this ring flat-plate 41 and supply the ora terminalis 313,323 of this holding piece 31,32 to place around one of this ring flat-plate 41 ring edge 42, along this axis X, and three shrinkage pools 441,442,443 that are arranged at this ring flat-plate 41 and arrange according to the turn direction.Each limited part 43 has along vertical this axis X direction and extends and away from a deep trouth district 431 of this axis X, and is formed on a shallow slot district 432 of these deep trouth district 431 1 sides and contiguous this axis X.
This location group 5 has a spheroid 51 being contained in this tank 23 and 441,442,443 of any shrinkage pools, be set in one second elastic component 52 that this tank 23 and any shrinkage pool 441,442,443 of ejection this spheroid 51 and this engage, be stacked in this revolves a slice cover plate 53 on the control 4, and a C shape that is hampered by this cover plate 53 and this part 2 that is coupling of latch closure buckles 54.This spheroid 51 can engage with any shrinkage pool 441,442,443, makes this revolve control 4 and is stable at this primary importance or this second place or the 3rd position.
Consult Fig. 3, Fig. 4; When this revolves control 4 turns to the 3rd position, though ora terminalis 313,323 contiguous these shallow slot districts 432 of aforementioned holding piece 31,32 still are positioned at this deep trouth district 431; Therefore; Aforementioned deep trouth district 431 can provide a space nargin respectively, supplies aforementioned ora terminalis 313,323 to move, and makes aforementioned holding piece 31,32 receive the elastic acting force of aforementioned first elastic component 33 respectively; Follow aforementioned chute 22 bullets to open, fasten with the internal gear 11 of this body 1 respectively to the lateral margin 311,321 of aforementioned holding piece 31,32 and stopping surface 310,320.
At this moment; If this body 1 of forward turn, can because the latch 111 of this internal gear 11 be hampered by aforementioned holding piece 32 stopping surface 320 and can't turn, opposite; If this body 1 of reverse turn; Can because this internal gear 11 be hampered by aforementioned holding piece 31 stopping surface 310 and can't turn, whereby, make this part 2 that is coupling fixed.
Consult Fig. 5, Fig. 6; When this revolved control 4 reverse turns to this second place, the ora terminalis of aforementioned holding piece 32 323 can be by these shallow slot district 432 compressions, and goed deep in this chute 22 and break away from this internal gear 11; 313 of the ora terminalis of aforementioned holding piece 31 still are positioned at this deep trouth district 431; Make aforementioned holding piece 31 receive the elastic acting force of aforementioned first elastic component 33, follow aforementioned chute 22 bullets to open, extremely the lateral margin 311 of aforementioned holding piece 31, stopping surface 310 fasten with the internal gear 11 of this body 1.
At this moment, if this body 1 of reverse turn, this internal gear 11 can make this part 2 that is coupling with this body 1 reverse turn because the stopping surface 310 mutual blocks of this latch 111 and aforementioned holding piece 31 form two clip points.If this body 1 of forward turn; Break away from internal gears 11 and do not hinder under the situation of this body 1 turn at aforementioned holding piece 32; This internal gear 11 can be because the turn direction be able to make this latch 111 act on the lateral margin 311 of aforementioned holding piece 31; Break away from this internal gear 11 and compress aforementioned holding piece 31, make this body 1 return idle running around these part 2 forwards that are coupling.
Consult Fig. 7, Fig. 8; When this revolves control 4 forward turns to this primary importance; The ora terminalis 313 of aforementioned holding piece 31 can be by these shallow slot district 432 compressions; And breaking away from this internal gear 11,323 of the ora terminalis of aforementioned holding piece 32 are positioned at this deep trouth district 431, and the lateral margin 321 of holding piece 32, stopping surface 320 are fastened with the internal gear 11 of this body 1.At this moment, if this body 1 of forward turn, this internal gear 11 equally can be because the stopping surface 320 mutual blocks of this latch 111 and holding piece 32, and form two clip points, make this part 2 that is coupling with this body 1 forward turn.If this body 1 of reverse turn, break away under the situation of internal gears 11 at aforementioned holding piece 31, the latch 111 of this internal gear 11 can compress aforementioned holding piece 32 equally and break away from these internal gears 11, makes this body 1 return idle running around this part 2 of being coupling is reverse.
Consulting Fig. 9, is the present invention's second preferred embodiment, and itself and this first preferred embodiment is roughly the same, and difference is:
The chute 22 of this part 2 that is coupling has three, is symmetrical set around this axis X.And this clip group 3 has the three pairs of holding pieces 31,32 that are set in respectively in the aforementioned chute 22, and three first elastic components 33.Whereby, aforementioned holding piece 31,32 can form at least three clip points around this axis X, the clip point that not only can evenly distribute, and can promote structural strength and clip torsion.
Consulting Figure 10, Figure 11, is respectively the present invention's the 3rd preferred embodiment and the 4th preferred embodiment, and itself and first preferred embodiment are roughly the same, and difference is:
The said limited part 43 that revolves control 4 can be shown in figure 10, is formed on the plate face 411 of this ring flat-plate 41 towards this clip group 3, or shown in figure 11, is formed on an inner edge 412 of this ring flat-plate 41.Whereby; Ora terminalis 313,323 displacements that aforementioned ring flat-plate 41 and limited part 43 equally can aforementioned deep trouth district 431 supply aforementioned holding piece 31,32; Or, reach this body 1 internal gear 11 of clip or break away from the purpose of this body 1 internal gear 11 with the aforementioned holding piece 31,32 of aforementioned shallow slot district 432 compression.
Consulting Figure 12, is the present invention's the 5th preferred embodiment, and itself and this first preferred embodiment is roughly the same, difference be in:
Each also has one involutory 314,324 that is formed on another side and complementation respectively to holding piece 31,32, and is used to hold the groove 315,325 of this first elastic component 33, and said involutory 314,324 can be respectively recess or protuberance.Whereby, under the situation that does not influence aforementioned holding piece 31,32 springing effects, can shorten each spacing, and then reduce the volume of this be coupling part 2 and this body 1 31,32 of holding pieces.
Can know that from the above mentioned ratchet engine device of the present invention has advantage and effect:
1. the present invention forms a plurality of clip points with aforementioned holding piece 31,32, not only can dissipation of ferees, and avoid stress to concentrate, and can promote structural strength and clip torsion, make the present invention also have practicability.
2. the present invention mainly is the ora terminalis 313,323 with the aforementioned holding piece of decision 31,32 clip positions; Be arranged on the end face 312,322 of aforementioned holding piece 31,32; Make aforementioned holding piece 31,32 act on the internal gear 11 of this body 1 with whole lateral margin 311,321 and stopping surface 310,320, whereby, with special spatial configuration; Promote the active area of each clip point, and then structural strength and clip torsion can strengthen clip the time.

Claims (10)

1. ratchet engine device is characterized in that it comprises:
A body has around an axis and defines the internal gear of a perforation;
The part that is coupling passes the perforation of this body, and has at least two chutes of symmetrical distribution;
A clip group; Have and be set in this part chute that is coupling and several holding pieces and several first elastic components of the corresponding said chute of quantity; This holding piece receives under the pressure of this first elastic component; Have respectively be formed on a side and in abutting connection with a lateral margin of this body internal gear, be formed on an end face and in abutting connection with an ora terminalis of this lateral margin, and just be formed on, back of the body two sides and in abutting connection with two stopping surfaces of this ora terminalis;
One revolves control; Be arranged on this body; And have several limited parts of the corresponding said holding piece of quantity; Each limited part has away from this axis and supplies this holding piece ora terminalis springing to being snapped into a deep trouth district of this internal gear with this lateral margin, this stopping surface, and contiguous this axis and be formed on this deep trouth district one side and compress this holding piece ora terminalis breaks away from this internal gear to this lateral margin a shallow slot district.
2. ratchet engine device according to claim 1; It is characterized in that: this revolves, and control just is being used for, reverse turn and be anchored in a primary importance that is positioned at the direct limit position; And be positioned at the second place of inverse limit position; The ora terminalis that makes at least one holding piece is opened to this lateral margin, this stopping surface along this deep trouth district bullet and is engaged with the internal gear of this body, and the ora terminalis of all the other holding pieces is then by this shallow slot district compression and make this lateral margin, this stopping surface break away from the internal gear of this body.
3. ratchet engine device according to claim 2; It is characterized in that: this revolves control and also is anchored in one the 3rd position that is positioned between this primary importance and this second place, and the ora terminalis that makes said holding piece is opened to this lateral margin, this stopping surface along this deep trouth district bullet simultaneously and engaged with the internal gear of this body.
4. ratchet engine device according to claim 3; It is characterized in that: this ratchet engine device also includes a location group; And this part that is coupling has and is formed on an end face and revolves a tank of control towards this; This revolves control also has and follows the turn direction to arrange and towards three shrinkage pools of this tank; Said shrinkage pool is used to define this primary importance, this second place and the 3rd position, and this location group has a spheroid that is contained between this tank and any shrinkage pool, and is set in one second elastic component that this tank and any shrinkage pool of ejection this spheroid and this engage.
5. ratchet engine device according to claim 1 is characterized in that: the holding piece of this clip group is total several right, and two two for a pair of and be set in relatively in the chute of this part that is coupling respectively, makes this first elastic component compel to be against each between holding piece.
6. ratchet engine device according to claim 5; It is characterized in that: each also has an another side and the complementary involutory portion of being formed on respectively to holding piece; And being used to hold a groove of this first elastic component, each is respectively complementary recess, protuberance to involutory of holding piece.
7. ratchet engine device according to claim 1 is characterized in that: this revolves control and has a slice ring flat-plate that forms aforementioned limited part, reaches a ring edge around this ring flat-plate.
8. ratchet engine device according to claim 7 is characterized in that: aforementioned limited part runs through this ring flat-plate.
9. ratchet engine device according to claim 7 is characterized in that: aforementioned limited part is formed on the plate face of this ring flat-plate towards this clip group.
10. ratchet engine device according to claim 7 is characterized in that: aforementioned limited part is formed on inner edge of this ring flat-plate.
CN201010157295A 2010-04-28 2010-04-28 Ratchet brake device Expired - Fee Related CN102235447B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010157295A CN102235447B (en) 2010-04-28 2010-04-28 Ratchet brake device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201010157295A CN102235447B (en) 2010-04-28 2010-04-28 Ratchet brake device

Publications (2)

Publication Number Publication Date
CN102235447A CN102235447A (en) 2011-11-09
CN102235447B true CN102235447B (en) 2012-10-24

Family

ID=44886403

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201010157295A Expired - Fee Related CN102235447B (en) 2010-04-28 2010-04-28 Ratchet brake device

Country Status (1)

Country Link
CN (1) CN102235447B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135226A (en) * 1983-02-16 1984-08-30 Britool Ltd Ratchet wrench
CN200963799Y (en) * 2006-11-06 2007-10-24 李万传 Tool ratchet wheel device with rolling disc
CN201211651Y (en) * 2008-07-08 2009-03-25 特典工具有限公司 Single finger inverting round head H handle ratchet type wrench
CN201235515Y (en) * 2008-07-09 2009-05-13 双廷工业有限公司 Hand tool structure
CN101618531A (en) * 2008-07-03 2010-01-06 胡厚飞 Ratchet spanner

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2135226A (en) * 1983-02-16 1984-08-30 Britool Ltd Ratchet wrench
CN200963799Y (en) * 2006-11-06 2007-10-24 李万传 Tool ratchet wheel device with rolling disc
CN101618531A (en) * 2008-07-03 2010-01-06 胡厚飞 Ratchet spanner
CN201211651Y (en) * 2008-07-08 2009-03-25 特典工具有限公司 Single finger inverting round head H handle ratchet type wrench
CN201235515Y (en) * 2008-07-09 2009-05-13 双廷工业有限公司 Hand tool structure

Also Published As

Publication number Publication date
CN102235447A (en) 2011-11-09

Similar Documents

Publication Publication Date Title
CN208669781U (en) Buckle body structure
USD646178S1 (en) Bottle
EP2538141A3 (en) Methods for joining metallic and CMC members
WO2008063860A3 (en) Fluid actuated overrunning coupling assembly
EP2628451A3 (en) Suture retention device
EP2078916A3 (en) Takedown rifle
MY176716A (en) Anti-rotation system for box and pin connection
EP2537721A3 (en) Locking apparatus for vehicle
CO6491044A2 (en) SECURITY DEVICE
WO2015071719A3 (en) Watch case comprising a bayonet connection
WO2008024505A3 (en) Orbital engine
WO2009100125A3 (en) Multi-pawl round-recliner mechanism
WO2013037455A3 (en) Arrangement for securing an energy storage module on a module support
HK1156291A1 (en) Catch device with an energy accumulator element
TN2012000561A1 (en) Filling outlet, its use and filling method
USD752211S1 (en) Injection device
MX2013011059A (en) Steering lock device.
JP2014524280A5 (en)
WO2005104693A3 (en) Transaction card and case
CN102235447B (en) Ratchet brake device
WO2005057170A3 (en) Retaining clip for reagent test slides
EP1968361A3 (en) IC fixing structure
WO2010083008A3 (en) Cooled gasifier vessel throat plug with instrumentation cavity
JP2013221275A5 (en)
WO2007080472A3 (en) Fuel cell

Legal Events

Date Code Title Description
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
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121024

Termination date: 20170428

CF01 Termination of patent right due to non-payment of annual fee