CN202489403U - Trolley bag with stretchable wheels and wheel stretching operation mechanism - Google Patents
Trolley bag with stretchable wheels and wheel stretching operation mechanism Download PDFInfo
- Publication number
- CN202489403U CN202489403U CN2012201298349U CN201220129834U CN202489403U CN 202489403 U CN202489403 U CN 202489403U CN 2012201298349 U CN2012201298349 U CN 2012201298349U CN 201220129834 U CN201220129834 U CN 201220129834U CN 202489403 U CN202489403 U CN 202489403U
- Authority
- CN
- China
- Prior art keywords
- drive link
- control mechanism
- projectile
- flexible control
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C5/00—Rigid or semi-rigid luggage
- A45C5/14—Rigid or semi-rigid luggage with built-in rolling means
- A45C5/146—Rigid or semi-rigid luggage with built-in rolling means retractable
-
- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C13/00—Details; Accessories
- A45C13/26—Special adaptations of handles
- A45C13/262—Special adaptations of handles for wheeled luggage
Landscapes
- Purses, Travelling Bags, Baskets, Or Suitcases (AREA)
Abstract
The utility model provides a trolley bag with stretchable wheels and a wheel stretching operation mechanism. The wheel stretching operation mechanism comprises two propelling parts, a driving unit and a locking part, wherein the front end of each propelling part is connected with a rotating shaft of a corresponding stretchable wheel, the driving unit comprises a push rod, two ends of the push rod are respectively connected with the rear end of one corresponding propelling part so that the rotating shaft of the corresponding stretchable wheel can be driven to move back and for the in a mounting groove when the push rod move up and down, and each locking part can cooperate with the corresponding propelling part so that the rotating shaft of the stretchable wheel connected with the corresponding propelling part is locked in a folded state or an unfolded state. The trolley bag with stretchable wheels comprises a base and two stretchable wheels respectively arranged on two sides of the base, as well as the wheel stretching operation mechanism arranged on the base. The trolley bag with stretchable wheels is simple and reliable in structure and convenient to operate.
Description
Technical field
The utility model relates to bag, relates in particular to the pull bar bag of tool expanding pulley.
Background technology
The pull bar bag of existing tool expanding pulley; Like the disclosed a kind of flexible wheeled bidirectional folding multifunctional soft case and bag of Chinese patent ZL200720032899.0; Comprise case and bag support body and soft body bag; This case and bag support body comprise be symmetricly set on the left and right wheels cover about laterally bend pipe and left and right sides vertical tube; The termination of this left and right sides vertical tube is connected with active pull rod, and the termination of active pull rod is connected with handle outer tube, handle inner sleeve respectively in the left and right sides, handle outer tube, handle inner sleeve respectively with this about the laterally termination socket of bend pipe; About this laterally between the bend pipe, connect through directed hinge between the vertical tube of the left and right sides; Be provided with expanding pulley in this car opinion cover by telescoping mechanism control; This soft body bag is fixed on the horizontal bend pipe and vertical tube of case and bag support body through sewing.Wherein, Telescoping mechanism comprises movable wheel carrier of triangle and travel(l)ing rest; One end of the movable wheel carrier of this triangle is connected with wheelhouse portions near the movable wheel frame axle of horizontal bend pipe end through being fixed on wheelhouse portions, and the other end is provided with movable wheel carrier locator, and its 3rd end passes through axletree and is connected with wheel; This travel(l)ing rest one end is connected with wheelhouse portions near the travel(l)ing rest axle of vertical tube through being fixed on wheelhouse portions, and its other end is provided with jack, and this jack and this activity wheel carrier locator are suitable.When expanding pulley is opened, need outwards pull left and right sides travel(l)ing rest, wheel is stretched out, insert movable wheel carrier locator in the jack of travel(l)ing rest termination then, travel(l)ing rest and movable wheel carrier are fixed.This structure, the handle structure of expanding pulley is complicated, unreliable, and handle convenient inadequately.Thus it is clear that, be necessary the pull bar bag of existing tool expanding pulley is improved in fact.
The utility model content
The technical problem that the utility model will solve is to overcome the deficiency that above-mentioned prior art exists, and proposes a kind of pull bar bag and wheel flexible control mechanism of tool expanding pulley, and is simple in structure, reliable, handiness.
The technical scheme that the utility model proposes to above-mentioned technical problem comprises, proposes a kind of flexible control mechanism of taking turns, and comprising: two projectiles, the front end of each projectile are to link to each other with the rotating shaft of corresponding expanding pulley; Gear unit, it comprises drive link, the two ends of this drive link link to each other with the rear end of a corresponding projectile respectively, move forward and backward in a mounting groove thereby the knee-action of this drive link can drive the rotating shaft of corresponding expanding pulley; Two lock pieces, each lock piece be can be corresponding with one projectile cooperate and make the rotating shaft of the expanding pulley that this corresponding projectile connects be locked at collapse state or open configuration.
This mounting groove is horizontally extending.
The front end of each projectile is provided with installing hole, and the rotating shaft of this expanding pulley is to be located in rotationally in this installing hole; The rear end of each projectile is provided with sleeve, and the termination of this drive link is to be plugged in this sleeve.
Each projectile is provided with lock groove, and this lock groove has to fold to be held and flared end; Each lock piece is provided with projection, and this projection is what can corresponding be accommodated in this lock groove with the action that limits this projectile.
This lock groove comprises first section and second section of mutual perforation, and an end of this end of first section and second section intersects the obtuse angle, and this other end of first section constitutes this and folds end, and this other end of second section constitutes this flared end.
The rotating shaft of this expanding pulley is to wear the central shaft hole that this mounting groove wears this expanding pulley again by interior earlier toward the other places, and the outboard end of the rotating shaft of this expanding pulley stretches out in this central shaft hole and fix through a snap ring.
This gear unit also comprises two drive link installed parts that can be attached to respectively in two erection columns, and this drive link is laterally to be located on two drive link installed parts and can be along the vertical slot knee-action on these two erection columns.
This gear unit also comprises a cover pull bar, is provided with respectively two pipes that connect with these two drive link installed parts in this cover pull bar and locks.
This gear unit also comprises two spring installed parts and two springs, and each spring installed part is positioned at the outside of corresponding erection column, and top, lower end that the upper end of each spring is connected a corresponding spring installed part connect this drive link.
The technical scheme that the utility model proposes to above-mentioned technical problem also comprises; A kind of pull bar bag of tool expanding pulley is proposed; Have base and be installed in two expanding pulleys of these base both sides respectively, also have and be installed in the flexible control mechanism of taking turns on this base, aforesaid.
Compared with prior art; The pull bar bag of the tool expanding pulley of the utility model and wheel flexible control mechanism through the mounting groove that extends before and after on base, forming, are located in the rotating shaft of stretching wheel in this mounting groove; Projectile, gear unit and lock piece through cooperatively interacting again; Promptly can control opening and folding of two expanding pulleys being installed in the base both sides respectively, simple in structure, reliable, handiness.
Description of drawings
Fig. 1 is the stereogram of the wheel flexible control mechanism of the utility model, and wherein, expanding pulley is in open configuration.
Fig. 2 is the stereogram of the wheel flexible control mechanism of the utility model, and wherein, expanding pulley is in collapse state.
Fig. 3 is the exploded view of the wheel flexible control mechanism of the utility model.
Wherein, description of reference numerals is following: 1 expanding pulley, 2 spring installed parts, 3 lock pieces, 34 projections; 4 bases, 45 mounting groove a fold end b flared end d wheel and move horizontally gap 46 erection columns, 461 vertical slots, ring in 5, ring on 6,7 rotating shafts; 8 drive links, 9 projectiles, 91 bodies, 92 sleeves, 93 installing holes, 94 lock grooves, 10 spring catch, 11 springs; 12 races lid, 13 drive link installed parts, 14 take turns serum cap, 15 screws; 16 screws, 17 snap rings, 18 pipe locks, 19 pull bars, 191 handles.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is given elaboration further.
Referring to Fig. 1 to Fig. 3, the wheel flexible control mechanism embodiment of the utility model roughly comprises: two projectiles 9, and the front end of each projectile 9 links to each other with the rotating shaft 7 of corresponding expanding pulley 1; Gear unit; It comprises drive link 8; The two ends of this drive link 8 link to each other with the rear end of a corresponding projectile 9 respectively, move forward and backward in mounting groove 45 thereby the knee-action of this drive link 8 can drive the rotating shaft 7 of corresponding expanding pulley 1, and this mounting groove 45 has front end a and rear end b; Two lock pieces 3, each lock piece 3 be can be corresponding with one projectile 9 cooperate and make the rotating shaft 7 of the expanding pulley 1 that this projectile 9 connected be locked at collapse state or open configuration.Preferably, this mounting groove 45 is horizontally extending, thereby expanding pulley 1 can flatly move forward and backward and open, folds.
Rotating shaft 7 is to wear the central shaft hole that this mounting groove 45 wears this expanding pulley 1 again by interior earlier toward the other places; The size of the medial extremity of rotating shaft 7 is greater than the width dimensions of this mounting groove 45; The outboard end of rotating shaft 7 stretches out in this central shaft hole and fixing through a snap ring 17, and preferably, this snap ring is the E font.
Lock piece 3 is provided with projection 34, and this projection 34 is what can corresponding be accommodated in the lock groove 94 of projectile 9 with the action that limits this projectile 9.
This gear unit also comprises two drive link installed parts matching with this drive link 8 13, two spring installed parts 2, two springs 11, two pipe lock 18 and one cover pull bars 19.Two drive link installed parts 13 can be attached to respectively in two erection columns 46 on the base 4, and this drive link 8 is laterally to be located on two drive link installed parts 13 and can be along vertical slot 461 knee-actions on these two erection columns 46.Two pipe locks 18 are arranged in this cover pull bar 19, connect with these two drive link installed parts 13 respectively, and the handle 191 on the operation pull bar 19 can control valve be locked 18 and is in and opens or locked state.Each spring installed part 2 is positioned at the outside of corresponding erection column 46, and this drive link 8 crosses this two spring installed parts 2, and top, lower end that the upper end of each spring 11 is connected corresponding spring installed part 2 connect this drive link 8.Preferably, spring catch 10 can be installed in the top of spring installed part 2, and the upper end of spring 11 is mounted on this spring catch 10.
The pull bar bag of the tool expanding pulley of the utility model; Have base 4, two expanding pulleys 1 and the aforesaid flexible control mechanisms of taking turns, structural members such as these two expanding pulleys 1 can cover 12 by race, wheel serum cap 14 and screw 16 are attached to the both sides of this base 4 respectively.Two lock pieces 3 can be attached to the inboard of base 4 by screw 15.
From the consideration of waterproof, aspect such as attractive in appearance, can comprise that also buckle is connected middle ring 5 and buckle on this base 4 and is connected in this and goes up ring 6 on ring 5.This base 4, middle ring 5 and last ring 6 all can adopt the macromolecular material injection mo(u)lding.The bottom that should go up ring 6 can firmly connect together with the bottom of a fabric (scheming not shown) through the mode of sewing up.
The operation principle of the pull bar bag of the tool expanding pulley of the utility model roughly comprises: press lower handle 191, make 18 releases of pipe lock, pull bar 19 can upwards move under the effect of spring 11; Thereby drive link 8 also can drive projectile 9 and rotating shaft 7 is moved backward; When pull bar 19 rises to high site, lock piece 3 can pin projectile 9, and expanding pulley 1 relative collapse state moves horizontally a setpoint distance d backward; Be in open configuration, can contact with ground and roll; Otherwise,, pipe lock 18 is pinned by turning round and stretching out the hand handle 191; Promote downwards pull bar 19, drive link 8 action downwards also drives projectile 9 and rotating shaft 7 is moved forward, when pull bar 19 drops to low points; Lock piece 3 also can pin projectile 9; Expanding pulley 1 relative open configuration moves horizontally setpoint distance d forward, is in collapse state, and expanding pulley 1 is recovered in the base 4.
Compared with prior art; The usefulness of the pull bar bag of the tool expanding pulley of the utility model and wheel flexible control mechanism comprises: through the mounting groove 45 that extends before and after on base 4, forming; The rotating shaft 7 of stretching wheel 1 is located in this mounting groove 45, and the projectile 9 through cooperatively interacting, lock piece 3 and by the gear unit that drive link 8 etc. constitutes again promptly can be controlled opening and folding of two expanding pulleys 1 being installed in base 4 both sides respectively; Simple in structure, reliable, handiness.
Foregoing; Be merely the preferred embodiment of the utility model; It is not the embodiment that is used to limit the utility model; Those of ordinary skills can carry out corresponding flexible or modification, so the protection domain of the utility model should be as the criterion with the desired protection domain of claims very easily according to the main design and the spirit of the utility model.
Claims (10)
1. a wheel flexible control mechanism is characterized in that, comprising: two projectiles, the front end of each projectile are to link to each other with the rotating shaft of corresponding expanding pulley; Gear unit, it comprises drive link, the two ends of this drive link link to each other with the rear end of a corresponding projectile respectively, move forward and backward in a mounting groove thereby the knee-action of this drive link can drive the rotating shaft of corresponding expanding pulley; Two lock pieces, each lock piece be can be corresponding with one projectile cooperate and make the rotating shaft of the expanding pulley that this corresponding projectile connects be locked at collapse state or open configuration.
2. according to the described flexible control mechanism of taking turns of claim 1, it is characterized in that this mounting groove is horizontally extending.
3. according to the described flexible control mechanism of taking turns of claim 1, it is characterized in that the front end of each projectile is provided with installing hole, the rotating shaft of this expanding pulley is to be located in rotationally in this installing hole; The rear end of each projectile is provided with sleeve, and the termination of this drive link is to be plugged in this sleeve.
4. according to the described flexible control mechanism of taking turns of claim 1, it is characterized in that each projectile is provided with lock groove, this lock groove has to fold to be held and flared end; Each lock piece is provided with projection, and this projection is what can corresponding be accommodated in this lock groove with the action that limits this projectile.
5. according to the described flexible control mechanism of taking turns of claim 4; It is characterized in that; This lock groove comprises first section and second section of mutual perforation; One end of this end of first section and second section intersects the obtuse angle, and this other end of first section constitutes this and folds end, and this other end of second section constitutes this flared end.
6. according to the described flexible control mechanism of taking turns of claim 1; It is characterized in that; The rotating shaft of this expanding pulley is to wear the central shaft hole that this mounting groove wears this expanding pulley again by interior earlier toward the other places, and the outboard end of the rotating shaft of this expanding pulley stretches out in this central shaft hole and fix through a snap ring.
7. according to the described flexible control mechanism of taking turns of claim 1; It is characterized in that; This gear unit also comprises two drive link installed parts that can be attached to respectively in two erection columns, and this drive link is laterally to be located on two drive link installed parts and can be along the vertical slot knee-action on these two erection columns.
8. according to the described flexible control mechanism of taking turns of claim 7, it is characterized in that this gear unit also comprises a cover pull bar, be provided with respectively two pipes that connect with these two drive link installed parts in this cover pull bar and lock.
9. according to the described flexible control mechanism of taking turns of claim 7; It is characterized in that; This gear unit also comprises two spring installed parts and two springs; Each spring installed part is positioned at the outside of corresponding erection column, and top, lower end that the upper end of each spring is connected a corresponding spring installed part connect this drive link.
10. the pull bar bag of a tool expanding pulley is characterized in that, has base and is installed in two expanding pulleys of these base both sides respectively, also have be installed on this base, like the arbitrary described flexible control mechanism of taking turns of claim 1 to 9.
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012201298349U CN202489403U (en) | 2012-03-30 | 2012-03-30 | Trolley bag with stretchable wheels and wheel stretching operation mechanism |
PCT/CN2012/081557 WO2013143260A1 (en) | 2012-03-30 | 2012-09-18 | Pull rod bag with stretchable wheels and wheel stretching operation mechanism |
EP12873382.1A EP2832253A4 (en) | 2012-03-30 | 2012-09-18 | Pull rod bag with stretchable wheels and wheel stretching operation mechanism |
US14/389,469 US20150084295A1 (en) | 2012-03-30 | 2012-09-18 | Pull Rod Bag With Stretchable Wheels And Wheel Stretching Operation Mechanism |
KR20147027583A KR20150004334A (en) | 2012-03-30 | 2012-09-18 | Pull rod bag with telescopic wheels and wheel telescoping operation mechanism |
JP2015502055A JP2015511512A (en) | 2012-03-30 | 2012-09-18 | Pull rod bag with telescopic wheel and wheel telescopic operation mechanism |
IL235869A IL235869A0 (en) | 2012-03-30 | 2014-11-23 | Pull rod bag with stretchable wheels and wheel stretching operation mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012201298349U CN202489403U (en) | 2012-03-30 | 2012-03-30 | Trolley bag with stretchable wheels and wheel stretching operation mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202489403U true CN202489403U (en) | 2012-10-17 |
Family
ID=46995649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012201298349U Expired - Fee Related CN202489403U (en) | 2012-03-30 | 2012-03-30 | Trolley bag with stretchable wheels and wheel stretching operation mechanism |
Country Status (7)
Country | Link |
---|---|
US (1) | US20150084295A1 (en) |
EP (1) | EP2832253A4 (en) |
JP (1) | JP2015511512A (en) |
KR (1) | KR20150004334A (en) |
CN (1) | CN202489403U (en) |
IL (1) | IL235869A0 (en) |
WO (1) | WO2013143260A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108378531A (en) * | 2017-02-02 | 2018-08-10 | M·P·维恩菲尔德 | It can be converted into the knapsack of trolley case |
CN108703857A (en) * | 2018-08-01 | 2018-10-26 | 北京东方逸腾数码医疗设备技术有限公司 | A kind of rollover prevention structure and medical protection device of medical protection device |
CN110549308A (en) * | 2018-05-30 | 2019-12-10 | 国网福建上杭县供电有限公司 | Multifunctional transformer substation operation and maintenance tool box |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107244371A (en) * | 2017-06-15 | 2017-10-13 | 福州幻科机电科技有限公司 | A kind of electrodeless expansion locking device of front and back wheel balance car control stick |
US10542806B2 (en) * | 2018-04-25 | 2020-01-28 | Becklin Holdings, Inc. | Pull handle for a rolling case |
USD864572S1 (en) | 2018-04-25 | 2019-10-29 | Becklin Holdings, Inc. | Pull handle for a rolling case |
FR3106476B1 (en) * | 2020-01-24 | 2022-02-18 | Hermes Sellier | Baggage-type leather goods |
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US3141680A (en) * | 1962-05-02 | 1964-07-21 | Goldwin C Mccord | Portable luggage having retractable wheels |
DE2356011C3 (en) * | 1972-11-13 | 1982-02-04 | Danincit ApS, Ishoej | Mobile travel case |
US4254850A (en) * | 1979-10-29 | 1981-03-10 | Knowles Harford E | Luggage case |
US4575109A (en) * | 1983-02-28 | 1986-03-11 | Cowdery Timothy K | Luggage case with retractable wheels |
US5533231A (en) * | 1994-09-12 | 1996-07-09 | Bai; Yang-Fong | Concealable caster of baggage |
US5813503A (en) * | 1996-11-18 | 1998-09-29 | Chang; Yuan-Chi | Luggage case structure with retrievable handle and wheels |
TW369835U (en) * | 1998-12-29 | 1999-09-11 | Chaw Khong Technology Co Ltd | Detachable suitcase coaster |
CN2396682Y (en) * | 1999-09-24 | 2000-09-20 | 王栋隆 | Improved structure of built-in castor for soft leather trunk |
US6289554B1 (en) * | 1999-11-29 | 2001-09-18 | Tung Lung Wang | Retractable wheel device for suitcase |
TW422013U (en) * | 2000-02-22 | 2001-02-11 | Fortune Torch Co Ltd | Control device of dual-groove type telescopic wheel for pull-bar box cart |
US6942077B1 (en) * | 2000-06-28 | 2005-09-13 | Trg Assessories, L.L.C. | Towable wheeled-backpack |
US6367602B1 (en) * | 2000-07-19 | 2002-04-09 | Fu-Jung Chang | Retractable wheel for a built-in luggage cart |
CN2458909Y (en) * | 2001-01-03 | 2001-11-14 | 陈首卯 | Extendible rolling means structure |
US20020121759A1 (en) * | 2001-02-21 | 2002-09-05 | Shou-Mao Chen | Expandable wheel Structure |
US6604615B2 (en) * | 2001-11-07 | 2003-08-12 | Yi-Ming Wu | Roller device of luggage case |
US20040004332A1 (en) * | 2002-07-08 | 2004-01-08 | Bi-Hua Tsai | Caster receiving device for luggage |
US6814361B2 (en) * | 2003-01-07 | 2004-11-09 | Hersun Plastic Co., Ltd. | Golf bag |
CN2611195Y (en) * | 2003-02-14 | 2004-04-14 | 丰韩(厦门)塑胶制品开发有限公司 | Roller device of trunk |
US7066311B2 (en) * | 2003-10-10 | 2006-06-27 | Timothy J. C. O'Shea | Retractable wheel assembly for a carrier |
US7237660B2 (en) * | 2004-02-13 | 2007-07-03 | Yi-Ming Wu | Transporting wheel structure of storage or luggage container |
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JP2009500104A (en) * | 2005-07-07 | 2009-01-08 | ユマジネーション・ラボス・エル・ピー | Suspension system |
US20070039794A1 (en) * | 2005-08-22 | 2007-02-22 | Jyh-Yeuan Hwang | Adjustable wheel set of golf bags |
US7997591B2 (en) * | 2007-04-05 | 2011-08-16 | Retrac Enterprises, Inc. | Chassis with retractable wheels |
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-
2012
- 2012-03-30 CN CN2012201298349U patent/CN202489403U/en not_active Expired - Fee Related
- 2012-09-18 WO PCT/CN2012/081557 patent/WO2013143260A1/en active Application Filing
- 2012-09-18 KR KR20147027583A patent/KR20150004334A/en not_active Application Discontinuation
- 2012-09-18 EP EP12873382.1A patent/EP2832253A4/en not_active Withdrawn
- 2012-09-18 JP JP2015502055A patent/JP2015511512A/en active Pending
- 2012-09-18 US US14/389,469 patent/US20150084295A1/en not_active Abandoned
-
2014
- 2014-11-23 IL IL235869A patent/IL235869A0/en unknown
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108378531A (en) * | 2017-02-02 | 2018-08-10 | M·P·维恩菲尔德 | It can be converted into the knapsack of trolley case |
CN108378531B (en) * | 2017-02-02 | 2021-11-09 | M·P·维恩菲尔德 | Backpack capable of being converted into draw-bar box |
CN110549308A (en) * | 2018-05-30 | 2019-12-10 | 国网福建上杭县供电有限公司 | Multifunctional transformer substation operation and maintenance tool box |
CN108703857A (en) * | 2018-08-01 | 2018-10-26 | 北京东方逸腾数码医疗设备技术有限公司 | A kind of rollover prevention structure and medical protection device of medical protection device |
CN108703857B (en) * | 2018-08-01 | 2024-02-27 | 北京东方逸腾数码医疗设备技术有限公司 | Side-turning prevention structure of medical protection device and medical protection device |
Also Published As
Publication number | Publication date |
---|---|
KR20150004334A (en) | 2015-01-12 |
EP2832253A4 (en) | 2015-11-25 |
WO2013143260A1 (en) | 2013-10-03 |
IL235869A0 (en) | 2015-01-29 |
JP2015511512A (en) | 2015-04-20 |
US20150084295A1 (en) | 2015-03-26 |
EP2832253A1 (en) | 2015-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121017 Termination date: 20170330 |