EP2532272B1 - Mécanisme d'ouverture d'un ensemble coulissant - Google Patents

Mécanisme d'ouverture d'un ensemble coulissant Download PDF

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Publication number
EP2532272B1
EP2532272B1 EP12150286.8A EP12150286A EP2532272B1 EP 2532272 B1 EP2532272 B1 EP 2532272B1 EP 12150286 A EP12150286 A EP 12150286A EP 2532272 B1 EP2532272 B1 EP 2532272B1
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EP
European Patent Office
Prior art keywords
rail
movable member
leg
force
movable
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.)
Active
Application number
EP12150286.8A
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German (de)
English (en)
Other versions
EP2532272A1 (fr
Inventor
Ken-Ching Chen
Yi-Syuan Jhao
Chun-Chiang Wang
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.)
King Slide Works Co Ltd
Original Assignee
King Slide Works Co Ltd
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Filing date
Publication date
Application filed by King Slide Works Co Ltd filed Critical King Slide Works Co Ltd
Publication of EP2532272A1 publication Critical patent/EP2532272A1/fr
Application granted granted Critical
Publication of EP2532272B1 publication Critical patent/EP2532272B1/fr
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B88/00—Drawers for tables, cabinets or like furniture; Guides for drawers
    • A47B88/40—Sliding drawers; Slides or guides therefor
    • A47B88/453—Actuated drawers
    • A47B88/46—Actuated drawers operated by mechanically-stored energy, e.g. by springs
    • A47B88/463—Actuated drawers operated by mechanically-stored energy, e.g. by springs self-opening

Definitions

  • the present invention relates to an opening mechanism of a slide assembly, and more particularly, to an opening mechanism to protect the parts of the slide assembly from being damaged when the slide assembly is forcibly opened from its retracted position.
  • U.S. Patent No. 5,040,833 to Brunnert discloses a "closing device for a drawer” and includes a drawer installed to a piece of furniture and the drawer is movable between a closed position and an opened position on the piece of furniture.
  • a spring is located between the drawer and the piece of the furniture.
  • a closing device is connected to the piece of the furniture and includes a holding member which has a hook-shaped end.
  • a latch member is connected to the drawer. When the drawer is located at the closed position, the latch member is engaged with the hook-shaped end of the holding member.
  • the latch member has at least one raised area which has at least two guide tracks for guiding the holding member. When the drawer is movable between the closed and opened positions, the holding member is guided by the two different guide tracks and bent.
  • the upward deformation of the holding member makes the hook-shaped end be disengaged from the latch member.
  • the hook-shaped end of the holding member is movable and disengaged from the latch member, so that the drawer pops out from the piece of the furniture in response to the force of the spring.
  • U.S. Patent No. 7,374,261 to Wang discloses a "push-open type slide structure" and includes a top fastener and a locking device between an outer slide rail and a pull rod.
  • the loading plate is extended from one side of the center portion of the main body. Two pillars are extended from both sides of the main body.
  • a positioning fastener is coupled with the loading plate.
  • a hook is mounted on the inner edge of the loading plate.
  • a guide pillar is mounted on the rear end of the loading plate. The hook is inserted into the action trench of the main body and coupled with the elastic device.
  • the locking device has a connection part for coupling with a guide part and a shaft holder.
  • the push-open type slide structure is lockable or unlockable by pivotal rotation between the loading plate and the locking device.
  • a protection device is disclosed by Brunnert and Wang so as to protect the parts when the drawer is forcibly pulled out.
  • Brunnert uses the holding member which is deformed upward so that the hook is disengaged from the latch member.
  • Wang discloses a slot defined in the loading plate and the slot is located corresponding to the underside of the pillar such that the end with the pillar of the positioning fastener can be deformed so that the pillar can be removed from the locking device.
  • both of the two protections are functioned by the deformation of the related parts to release the engagement. Nevertheless, the contact portions between two parts tend to be worn out after several times of operation so that the life of use is shortened.
  • the present invention intends to provide an opening mechanism for a slide assembly and the opening mechanism improves the shortcomings of the conventional structures mentioned above.
  • the present invention relates to an opening mechanism of a slide assembly which comprises a first rail, a second rail and a third rail.
  • the opening mechanism comprises a fixing member fixed to the first rail and the fixing member has a guide portion, a stop and a room.
  • the guide portion has a longitudinal guide section and a bent section which is located at the front end of the longitudinal guide section.
  • the stop is located at the rear end of the longitudinal guide section.
  • the room is substantially parallel to the longitudinal guide section.
  • a movable member is movably connected to the fixing member and has a first leg, a second leg, a guide path and an engaging portion. The first leg slidably contacts the guide portion of the fixing member.
  • the second leg extends into the room of the fixing member.
  • the guide path has a first longitudinal groove, a second longitudinal groove and a passage.
  • the first longitudinal groove and the second longitudinal groove are located on two sides of the engaging portion.
  • the passage communicates with the first and second longitudinal grooves and is located corresponding to the engaging portion.
  • a locking member is pivotably connected to the second rail which is longitudinally and slidably movable relative to the first rail.
  • the locking member has a locking portion which contacts the engaging portion of the movable member when the second rail is located at a retracted position relative to the first rail.
  • a first resilient member provides a force in a first direction and is applied to the third rail which is slidably connected between the first and second rails.
  • a second resilient member provides a force in a second direction and is applied to the movable member.
  • the second direction is opposite to the first direction.
  • the force of the second resilient member is larger than that of the first resilient member.
  • the first resilient member When the locking portion of the locking member is engaged with the engaging portion of the movable member, the first resilient member provides the force in the first direction to the third rail which stores a force for popping outward relative to the first rail.
  • the second resilient member provides the force in the second direction to the movable member which contacts the stop of the fixing member.
  • the first leg of the movable member When the second rail is forcibly pulled out relative to the first rail, the first leg of the movable member is moved along the longitudinal guide section of the guide portion of the fixing member.
  • the second leg of the movable member moves in the room of the fixing member so as to push the second resilient member.
  • the first leg slides in the bent section at the front end of the longitudinal guide section and pivots an angle so that the locking portion of the locking member is disengaged from the engaging portion of the movable member.
  • the second resilient member generates a compression force which is applied to the movable member.
  • the first leg and the second leg are located at the bottom of the movable member, and the guide path and the engaging portion are located on the top of the movable member.
  • the first resilient member is mounted to a fixing rod, and two ends of the first resilient member respectively contact a head of the fixing rod and a push member mounted to the fixing rod.
  • the push member is slidably connected to the fixing member and contacts the third rail.
  • the second resilient member is located in the room of the fixing member, and two ends of the second resilient member respectively contact an inner wall of the room and the second leg of the movable member.
  • the movable member contacts the stop of the fixing member by the force of the second resilient member.
  • the movable member has a protrusion and the second rail has a contact portion which is located corresponding to the protrusion.
  • the protrusion is pushed by the contact portion, the movable member is moved and the first leg is disengaged from the bent section of the fixing member.
  • the primary object of the present invention is to provide an opening mechanism of a slide assembly so as to protect the parts of the slide assembly from being damaged when the slide assembly is improperly opened.
  • the slide assembly comprises a first rail 10, a second rail 12 which is longitudinally and slidably movable relative to the first rail 10, and a third rail 14 which is longitudinally and slidably connected between the first and second rails 10 and 12.
  • the second rail 12 is pulled to a further distance relative to the first rail 10 by the third rail 14.
  • an opening mechanism 16 for the slide assembly of the present invention comprises a fixing member 18, a movable member 20, a locking member 22, a first resilient member 24 and a second resilient member 26.
  • the fixing member 18 is fixed to the first rail 10 and has a guide portion 28, a stop 30 and a room 32.
  • the guide portion 28 has a longitudinal guide section 34 and a bent section 36 which is located at the front end of the longitudinal guide section 34.
  • the stop 30 is located at the rear end of the longitudinal guide section 34.
  • the room 32 is substantially parallel to the longitudinal guide section 34.
  • the movable member 20 is movably connected to the fixing member 18 and has a first leg 38, a second leg 40, a guide path 42 and an engaging portion 44.
  • the first leg 38 and the second leg 40 are located at the bottom of the movable member 20 as shown in Fig. 2 , and the guide path 42 and the engaging portion 44 are located on the top of the movable member 20.
  • the first leg 38 slidably contacts the guide portion 28 of the fixing member 18.
  • the second leg 40 extends into the room 32 of the fixing member 18.
  • the guide path 42 has a first longitudinal groove 46, a second longitudinal groove 48 and a passage 50.
  • the first longitudinal groove 46 and the second longitudinal groove 48 are located on two sides of the engaging portion 44.
  • the passage 50 communicates with the first and second longitudinal grooves 46 and 48 and is located corresponding to the engaging portion 44.
  • the locking member 22 is pivotably connected to the second rail 12 by a pin 52.
  • the locking member 22 has a locking portion 54 which is engaged with the engaging portion 44 of the movable member 20 when the second rail 12 is located at a retracted position relative to the first rail 10.
  • the first resilient member 24 provides a force in a first direction and is applied to the third rail 14 which is capable of popping out relative to the first rail 10.
  • the first resilient member 24 is mounted to a fixing rod 56, and two ends of the first resilient member 24 respectively contact a head 58 of the fixing rod 56 and a push member 60 mounted to the fixing rod 56.
  • the push member 60 is slidably connected to the fixing member 18 and contacts the third rail 14.
  • the second resilient member 26 provides a force in a second direction and is applied to the movable member 20.
  • the second direction is opposite to the first direction so that the movable member 20 is capable of returning to its original position relative to the fixing member 18.
  • the force of the second resilient member 26 is larger than that of the first resilient member 24.
  • the second resilient member 26 is located in the room 32 of the fixing member 18. Two ends of the second resilient member 26 respectively contact an inner wall of the room 32 and the second leg 40 of the movable member 20.
  • the movable member 20 contacts the stop 30 of the fixing member 18 by the force of the second resilient member 26.
  • the second rail 12 is located at the retracted position relative to the first rail 10, and the locking portion 54 of the locking member 22 is engaged with the engaging portion 44 of the movable member 20 on the first rail 10.
  • the first resilient member 24 provides the force in the first direction F1 to the third rail 14 which stores a force for popping outward relative to the first rail 10.
  • the second resilient member 26 provides the force in the second direction F2 to the movable member 20 which contacts the stop 30 of the fixing member 18 by the first leg 38.
  • the first leg 38 slides in the bent section 36 at the front end of the longitudinal guide section 34 and pivots an angle so that the locking portion 54 is disengaged from the engaging portion 44.
  • the second resilient member 26 generates a compression force which is applied to the movable member 20 so that the movable member 20 is pushed back by the force of the second resilient member 26 and contacts the stop 30 of the fixing member 18, as shown in Fig. 7 .
  • the second rail 12 can be further pulled relative to the first rail 10 to a distance by the assistance of the third rail 14.
  • the movable member 20 When the slide assembly is pulled by force, the movable member 20 can be disengaged from a locked status in response to the force applied, so that the parts of the slide assembly can be protected. Besides, the movable member 20 is disengaged when the movable member 20 is pulled a distance relative to the fixing member 18, so that when the exterior force is resulted from impact, tapping or vibration, which cannot overcome the force that is applied to the movable member 20 from the second resilient member 26, and the exterior force cannot move the movable member 20 for a distance, the second rail 12 is still kept as the closed status relative to the first rail 10. This prevents a sudden opening force applied to the slide assembly so that the slide assembly has a stable closed status.
  • the movable member 20 has a protrusion 62 and the second rail 12 has a contact portion 64 which is located corresponding to the protrusion 62.
  • the movement of the movable member 20 along the guide portion 28 of the fixing member 18 results in another situation.
  • the first leg 38 of the movable member 20 slides in the bent section 36 at the front end of the longitudinal guide section 34 and pivots an angle, and the movable member 20 stops at the bent section 36.
  • the contact portion 64 pushes the protrusion 62 to move the movable member 20 to disengage the first leg 38 from the bent section 36 of the fixing member 18.
  • the second resilient member 26 generates a compression force which is applied to the movable member 20 so that the movable member 20 is pushed back and the first leg 38 contacts the stop 30 of the fixing member 18.
  • Fig. 10 shows that the second rail 12 is pushed back relative to the first rail 10 and the first leg 38 of the movable member 20 contacts the stop 30 of the fixing member 18 to return and position the movable member 20.
  • the locking portion 54 of the locking member 22 enters into the first longitudinal groove 46 of the movable member 20.
  • the locking portion 54 of the locking member 22 is removed from the first longitudinal groove 46 and enters into the passage 50 of the movable member 20.
  • the engaging portion 54 is engaged with the engaging portion 44 of the movable member 20 again as shown in Fig. 4 .
  • the first resilient member 24 directly applies to the second rail 12 (not shown) so that the two-section slide assembly can be kept at the retracted position.
  • the locking portion 54 of the locking member 22 is disengaged from the engaging portion 44 of the movable member 20 and the second rail 12 pops out relative to the first rail 10 by the force of the first resilient member 24.
  • the present invention relates to an opening mechanism for a slide assembly, wherein the opening mechanism protects the parts of the slide assembly from being damaged when the slide assembly is forcibly opened from its retracted position.
  • the life of use is prolonged and the quality of the slide assembly is stable.
  • the slide assembly can be used to the drawers for bearing heavy load in furniture, cabinet or the like, so as to prevent damage or injury to the parts and the users when the slide assembly is forcibly opened.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drawers Of Furniture (AREA)
  • Seats For Vehicles (AREA)

Claims (5)

  1. Un mécanisme d'ouverture (16) d'un ensemble coulissant, comprenant :
    un élément de fixation (18) fixé à un premier rail (10) et ayant une partie de guidage (28), un arrêt (30) et une chambre (32), la partie de guidage (28) ayant une section de guidage longitudinale (34) et une section courbée (36) qui est située à une extrémité avant de la section de guidage longitudinale (34), l'arrêt (30) situé à une extrémité arrière de la section de guidage longitudinale (34), la chambre (32) substantiellement parallèle à la section de guidage longitudinale (34) ;
    un élément amovible (20) relié de façon amovible à l'élément de fixation (18) et ayant une première patte (38), une seconde patte (40), un chemin de guidage (42) et une partie d'engagement (44), la première patte (38) est en contact de façon coulissante avec la partie de guidage (28) de l'élément de fixation (18), la seconde patte (40) s'étendant dans la chambre (32) de l'élément de fixation (18), le chemin de guidage (42) ayant une première rainure longitudinale (46), une seconde rainure longitudinale (48) et un passage (50), la première rainure longitudinale (46) et la seconde rainure longitudinale (48) situées sur deux côtés de la partie d'engagement (44), le passage (50) communiquant avec les première et seconde rainures longitudinales (46,48) et situé en correspondance avec la partie d'engagement (44) ;
    un élément de verrouillage (22) relié de façon pivotante à un second rail (12) qui est déplaçable de façon longitudinale et coulissante vis à vis du premier rail (10), l'élément de verrouillage (22) ayant une partie de verrouillage (54), la partie de verrouillage (54) étant engagée avec la partie d'engagement (44) de l'élément amovible (20) quand le deuxième rail (12) est situé en position rétractée vis à vis du premier rail (10) ;
    un premier élément élastique (24) fournissant une force dans une première direction et appliquée à un troisième rail (14) qui est relié de façon coulissante entre les premier et second rails (10, 12) ;
    un second élément élastique (26) fournissant une force dans une seconde direction et appliquée à l'élément amovible (20), la seconde direction étant opposée à la première direction, la force du second élément élastique (26) étant supérieure à celle du premier élément élastique (24) ;
    où quand la partie de verrouillage (54) de l'élément de verrouillage (22) est engagée avec la partie d'engagement (44) de l'élément amovible (20), le premier élément élastique (24) fournit la force dans la première direction au troisième rail (14) qui emmagasine une force pour se déplacer à l'extérieur vis à vis du premier rail (10), le second élément élastique (26) fournissant la force dans la seconde direction à l'élément amovible (20) qui est en contact avec l'arrêt (30) de l'élément de fixation (18), et
    où quand le deuxième rail (12) est retiré de force vis à vis du premier rail (10), la première patte (38) de l'élément amovible (20) est déplacée le long de la section de guidage longitudinale (34) de la partie de guidage (28) de l'élément de fixation (18), la seconde patte (40) de l'élément amovible (20) se déplace dans la chambre (32) de l'élément de fixation (18) de sorte à pousser le second élément élastique (26), quand l'élément amovible (20) est déplacé vers l'extrémité avant de la section de guidage longitudinale (34), la première patte (38) coulisse dans la section courbée (36) à l'extrémité avant de la section de guidage longitudinale (34) et pivote sur un angle de sorte que la partie de verrouillage (54) de l'élément de verrouillage (22) est désengagée de la partie d'engagement (44) de l'élément amovible (20), et le second élément élastique (26) génère une force de compression qui est appliquée à l'élément amovible (20).
  2. Le mécanisme tel que revendiqué dans la revendication 1, où la première patte (38) et la seconde patte (40) sont situées sur une base de l'élément amovible (20), le chemin de guidage (42) et la partie d'engagement (44) sont situés sur un sommet de l'élément amovible (20).
  3. Le mécanisme tel que revendiqué dans la revendication 1, où le premier élément élastique (24) est monté sur une tige de fixation (56), deux extrémités du premier élément élastique (24) sont respectivement en contact avec une tête (58) de la tige de fixation (56) et un élément poussoir (60) monté sur la tige de fixation (56), l'élément poussoir (60) est relié de façon coulissante à l'élément de fixation (18) et est en contact avec le troisième rail (14).
  4. Le mécanisme tel que revendiqué dans la revendication 1, où le second élément élastique (26) est situé dans la chambre (32) de l'élément de fixation (18), deux extrémités du second élément élastique (26) sont respectivement en contact avec une paroi extérieure de la chambre (32) et la seconde patte (40) de l'élément amovible (20), l'élément amovible (20) est en contact avec l'arrêt (30) de l'élément de fixation (18) par la force du second élément élastique (26).
  5. Le mécanisme tel que revendiqué dans la revendication 1, où l'élément amovible (20) a une saillie (62) et le deuxième rail (12) a une partie de contact (64) qui est située en correspondance avec la saillie (62), quand la saillie (62) est poussée par la partie de contact (64), l'élément amovible (20) est déplacée et la première patte (38) est désengagée de la section courbée (36) de l'élément de fixation (18).
EP12150286.8A 2011-06-09 2012-01-05 Mécanisme d'ouverture d'un ensemble coulissant Active EP2532272B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW100120292A TWI421046B (zh) 2011-06-09 2011-06-09 滑軌總成的開啟機構

Publications (2)

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EP2532272A1 EP2532272A1 (fr) 2012-12-12
EP2532272B1 true EP2532272B1 (fr) 2013-09-18

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EP (1) EP2532272B1 (fr)
JP (1) JP3174192U (fr)
ES (1) ES2438175T3 (fr)
TW (1) TWI421046B (fr)

Families Citing this family (5)

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Publication number Priority date Publication date Assignee Title
CN103653895B (zh) * 2013-11-29 2015-12-16 苏州升德精密电气有限公司 一种易拉取式自动回归装置
CN105078029A (zh) * 2014-05-23 2015-11-25 三千金属工业股份有限公司 复位滑轨装置
TWI538638B (zh) * 2015-11-12 2016-06-21 川湖科技股份有限公司 用於傢俱組件的驅動機構及方法
TWI532452B (zh) * 2015-11-12 2016-05-11 川湖科技股份有限公司 驅動機構
TW201929735A (zh) * 2017-12-29 2019-08-01 梅堯國際股份有限公司 自開彈壓裝置

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Publication number Priority date Publication date Assignee Title
AT395095B (de) 1989-05-10 1992-09-10 Blum Gmbh Julius Schliessvorrichtung fuer schubladen
MXPA02010717A (es) * 2000-05-01 2003-05-14 Accuride Int Inc Guia de deslizamiento de cierre automatica y mecanismo para la misma.
US7347515B1 (en) * 2005-07-01 2008-03-25 Gslide Corporation Sliding rail assembly auto opening mechanism for drawer
TWM312930U (en) * 2006-11-17 2007-06-01 Dynaslide Corp Guideway top-pressure opening structure
US7374261B1 (en) 2006-12-08 2008-05-20 Dynaslide Corporation Push-open type slide structure
DE202009005256U1 (de) * 2009-07-09 2010-11-25 Paul Hettich Gmbh & Co. Kg Rastbeschlag und Auszugsführung
ES2381328T3 (es) * 2010-03-29 2012-05-25 King Slide Works Co., Ltd. Ensamblaje de corredera con un dispositivo de apertura
TWM397195U (en) * 2010-09-20 2011-02-01 Sun Chain Metal Industry Co Ltd Connection device of drawer

Also Published As

Publication number Publication date
EP2532272A1 (fr) 2012-12-12
ES2438175T3 (es) 2014-01-16
JP3174192U (ja) 2012-03-08
TW201249375A (en) 2012-12-16
TWI421046B (zh) 2014-01-01

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