EP2532272A1 - Opening mechanism of slide assembly - Google Patents
Opening mechanism of slide assembly Download PDFInfo
- Publication number
- EP2532272A1 EP2532272A1 EP12150286A EP12150286A EP2532272A1 EP 2532272 A1 EP2532272 A1 EP 2532272A1 EP 12150286 A EP12150286 A EP 12150286A EP 12150286 A EP12150286 A EP 12150286A EP 2532272 A1 EP2532272 A1 EP 2532272A1
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- European Patent Office
- Prior art keywords
- rail
- movable member
- leg
- force
- movable
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- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 235000013290 Sagittaria latifolia Nutrition 0.000 description 2
- 235000015246 common arrowhead Nutrition 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000004224 protection Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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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.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drawers Of Furniture (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
- 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.
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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. When the drawer is pulled out from the piece of the furniture improperly, the upward deformation of the holding member makes the hook-shaped end be disengaged from the latch member. When a force pushes the drawer which is at its closed position, 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. - Besides, 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. However, 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. Besides, in order to allow the deformed part to bounce back, the portion that is deformed cannot be too stiff, accordingly, the response force to bear the force pulling the drawer out from the rails is weak. The structure cannot be used for a large drawer or heavy duty slide assembly because the drawer could open unexpectedly.
- 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.
- 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.
- 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. When the movable member is moved to the front end of the longitudinal guide section, 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.
- Preferably, 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.
- Preferably, 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.
- Preferably, 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.
- Preferably, the movable member has a protrusion and the second rail has a contact portion which is located corresponding to the protrusion. When 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 present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, a preferred embodiment in accordance with the present invention.
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Fig. 1 is a perspective view to show the slide assembly with the opening mechanism of the present invention; -
Fig. 2 is an exploded view to show the opening mechanism of the present invention; -
Fig. 3 shows the connection relationship of the parts of the opening mechanism of the present invention; -
Fig. 4 shows the connection relationship of the parts of the opening mechanism of the present invention when the slide assembly is in a retracted status; -
Fig. 5 shows the opening mechanism of the present invention when the slide assembly is opened by a push force; -
Fig. 6 shows the opening mechanism of the present invention when the slide assembly is pulled by force; -
Fig. 7 shows that the movable member moves back after the slide assembly is opened by force; -
Fig. 8 shows that the movable member has a protrusion and the second rail has a contact portion; -
Fig. 9 shows that the movable member is moved to contact the fixing member, and the contact portion contacts the protrusion, and -
Fig. 10 shows that the movable member moves back to its original position when the slide assembly is pushed to its retracted position. - Referring to
Fig. 1 , the slide assembly comprises afirst rail 10, asecond rail 12 which is longitudinally and slidably movable relative to thefirst rail 10, and athird rail 14 which is longitudinally and slidably connected between the first andsecond rails second rail 12 is pulled to a further distance relative to thefirst rail 10 by thethird rail 14. - Referring to
Fig. 2 , anopening mechanism 16 for the slide assembly of the present invention comprises a fixingmember 18, amovable member 20, a lockingmember 22, a firstresilient member 24 and a secondresilient member 26. As shown inFig. 3 , the fixingmember 18 is fixed to thefirst rail 10 and has aguide portion 28, astop 30 and aroom 32. Theguide portion 28 has alongitudinal guide section 34 and abent section 36 which is located at the front end of thelongitudinal guide section 34. Thestop 30 is located at the rear end of thelongitudinal guide section 34. Theroom 32 is substantially parallel to thelongitudinal guide section 34. - The
movable member 20 is movably connected to the fixingmember 18 and has afirst leg 38, asecond leg 40, aguide path 42 and an engagingportion 44. Thefirst leg 38 and thesecond leg 40 are located at the bottom of themovable member 20 as shown inFig. 2 , and theguide path 42 and the engagingportion 44 are located on the top of themovable member 20. Thefirst leg 38 slidably contacts theguide portion 28 of the fixingmember 18. Thesecond leg 40 extends into theroom 32 of the fixingmember 18. Theguide path 42 has a firstlongitudinal groove 46, a secondlongitudinal groove 48 and apassage 50. The firstlongitudinal groove 46 and the secondlongitudinal groove 48 are located on two sides of the engagingportion 44. Thepassage 50 communicates with the first and secondlongitudinal grooves portion 44. - The locking
member 22 is pivotably connected to thesecond rail 12 by apin 52. The lockingmember 22 has a lockingportion 54 which is engaged with the engagingportion 44 of themovable member 20 when thesecond rail 12 is located at a retracted position relative to thefirst rail 10. - The first
resilient member 24 provides a force in a first direction and is applied to thethird rail 14 which is capable of popping out relative to thefirst rail 10. In a preferable embodiment, the firstresilient member 24 is mounted to a fixingrod 56, and two ends of the firstresilient member 24 respectively contact ahead 58 of the fixingrod 56 and apush member 60 mounted to the fixingrod 56. Thepush member 60 is slidably connected to the fixingmember 18 and contacts thethird rail 14. - The second
resilient member 26 provides a force in a second direction and is applied to themovable member 20. The second direction is opposite to the first direction so that themovable member 20 is capable of returning to its original position relative to the fixingmember 18. The force of the secondresilient member 26 is larger than that of the firstresilient member 24. In a preferable embodiment, the secondresilient member 26 is located in theroom 32 of the fixingmember 18. Two ends of the secondresilient member 26 respectively contact an inner wall of theroom 32 and thesecond leg 40 of themovable member 20. Themovable member 20 contacts thestop 30 of the fixingmember 18 by the force of the secondresilient member 26. - As shown in
Fig. 4 , thesecond rail 12 is located at the retracted position relative to thefirst rail 10, and the lockingportion 54 of the lockingmember 22 is engaged with the engagingportion 44 of themovable member 20 on thefirst rail 10. In this status, the firstresilient member 24 provides the force in the first direction F1 to thethird rail 14 which stores a force for popping outward relative to thefirst rail 10. The secondresilient member 26 provides the force in the second direction F2 to themovable member 20 which contacts thestop 30 of the fixingmember 18 by thefirst leg 38. - As shown in
Fig. 5 , when a user operates the slide assembly in a normal way, a force as shown by the arrow head to thesecond rail 12, the lockingportion 54 of the lockingmember 22 is disengaged from the engagingportion 44 of themovable member 20, and moves to the secondlongitudinal groove 48 of themovable member 20. Thethird rail 14 is released by the force of the firstresilient member 24 so that the second andthird rails first rail 10. In the meanwhile, the lockingportion 54 of the lockingmember 22 is removed from the secondlongitudinal groove 48 of themovable member 20 so that the slide assembly is opened by a push force. - As shown in
Fig. 6 , when thesecond rail 12 is forcibly pulled out relative to thefirst rail 10 as shown in the arrow head, because the engagingportion 44 of themovable member 20 is engaged with the lockingportion 54 of the lockingmember 22, themovable member 20 is moved by the lockingmember 22 and thesecond rail 12. Thefirst leg 38 of themovable member 20 moves along thelongitudinal guide section 34 of theguide portion 28 of the fixingmember 18. Thesecond leg 40 of themovable member 20 moves in theroom 32 of the fixingmember 18 so as to push the secondresilient member 26. When themovable member 20 is moved to the front end of thelongitudinal guide section 34, thefirst leg 38 slides in thebent section 36 at the front end of thelongitudinal guide section 34 and pivots an angle so that the lockingportion 54 is disengaged from the engagingportion 44. In the meanwhile, the secondresilient member 26 generates a compression force which is applied to themovable member 20 so that themovable member 20 is pushed back by the force of the secondresilient member 26 and contacts thestop 30 of the fixingmember 18, as shown inFig. 7 . And then, thesecond rail 12 can be further pulled relative to thefirst rail 10 to a distance by the assistance of thethird rail 14. - 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, themovable member 20 is disengaged when themovable member 20 is pulled a distance relative to the fixingmember 18, so that when the exterior force is resulted from impact, tapping or vibration, which cannot overcome the force that is applied to themovable member 20 from the secondresilient member 26, and the exterior force cannot move themovable member 20 for a distance, thesecond rail 12 is still kept as the closed status relative to thefirst rail 10. This prevents a sudden opening force applied to the slide assembly so that the slide assembly has a stable closed status. - As shown in
Fig. 8 , themovable member 20 has aprotrusion 62 and thesecond rail 12 has acontact portion 64 which is located corresponding to theprotrusion 62. As shown inFig. 9 , the movement of themovable member 20 along theguide portion 28 of the fixingmember 18 results in another situation. Thefirst leg 38 of themovable member 20 slides in thebent section 36 at the front end of thelongitudinal guide section 34 and pivots an angle, and themovable member 20 stops at thebent section 36. When thesecond rail 12 is retracted into thefirst rail 10 again, in order to disengage thefirst leg 38 of themovable member 20 from thebent section 36 of the fixingmember 18, thecontact portion 64 pushes theprotrusion 62 to move themovable member 20 to disengage thefirst leg 38 from thebent section 36 of the fixingmember 18. The secondresilient member 26 generates a compression force which is applied to themovable member 20 so that themovable member 20 is pushed back and thefirst leg 38 contacts thestop 30 of the fixingmember 18. -
Fig. 10 shows that thesecond rail 12 is pushed back relative to thefirst rail 10 and thefirst leg 38 of themovable member 20 contacts thestop 30 of the fixingmember 18 to return and position themovable member 20. The lockingportion 54 of the lockingmember 22 enters into the firstlongitudinal groove 46 of themovable member 20. When the push force is released, by the force of the firstresilient member 24, the lockingportion 54 of the lockingmember 22 is removed from the firstlongitudinal groove 46 and enters into thepassage 50 of themovable member 20. The engagingportion 54 is engaged with the engagingportion 44 of themovable member 20 again as shown inFig. 4 . - It is noted that, if the slide assembly of the present invention is two-section slide assembly, 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. When pushing thesecond rail 12 relative to thefirst rail 10, the lockingportion 54 of the lockingmember 22 is disengaged from the engagingportion 44 of themovable member 20 and thesecond rail 12 pops out relative to thefirst rail 10 by the force of the firstresilient 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.
- While we have shown and described the embodiment in accordance with the present invention, it should be clear to those skilled in the art that further embodiments may be made without departing from the scope of the present invention.
Claims (5)
- An opening mechanism (16) of a slide assembly, comprising:a fixing member (18) fixed to a first rail (10) and having a guide portion (28), a stop (30) and a room (32), the guide portion (28) having a longitudinal guide section (34) and a bent section (36) which is located at a front end of the longitudinal guide section (34), the stop (30) located at a rear end of the longitudinal guide section (34), the room (32) substantially parallel to the longitudinal guide section (34);a movable member (20) movably connected to the fixing member (18) and having a first leg (38), a second leg (40), a guide path (42) and an engaging portion (44), the first leg (38) slidably contacting the guide portion (28) of the fixing member (18), the second leg (40) extending into the room (32) of the fixing member (18), the guide path (42) having 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) located on two sides of the engaging portion (44), the passage (50) communicating with the first and second longitudinal grooves (46,48) and located corresponding to the engaging portion (44);a locking member (22) pivotably connected to a second rail (12) which is longitudinally and slidably movable relative to the first rail (10), the locking member (22) having a locking portion (54), the locking portion (54) being engaged with the engaging portion (44) of the movable member (20) when the second rail (12) located at a retracted position relative to the first rail (10);a first resilient member (24) providing a force in a first direction and applied to a third rail (14) which is slidably connected between the first and second rails (10, 12);a second resilient member (26) providing a force in a second direction and applied to the movable member (20), the second direction being opposite to the first direction, the force of the second resilient member (26) being larger than that of the first resilient member (24);wherein when the locking portion (54) of the locking member (22) is engaged with the engaging portion (44) of the movable member (20), the first resilient member (24) provides the force in the first direction to the third rail (14) which stores a force for popping outward relative to the first rail (10), the second resilient member (26) providing the force in the second direction to the movable member (20) which contacts the stop (30) of the fixing member (18), andwherein when the second rail (12) is forcibly pulled out relative to the first rail (10), the first leg (38) of the movable member (20) is moved along the longitudinal guide section (34) of the guide portion (28) of the fixing member (18), the second leg (40) of the movable member (20) moves in the room (32) of the fixing member (18) so as to push the second resilient member (26), when the movable member (20) is moved to the front end of the longitudinal guide section (34), 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) of the locking member (22) is disengaged from the engaging portion (44) of the movable member (20), and the second resilient member (26) generates a compression force which is applied to the movable member (20).
- The mechanism as claimed in claim 1, wherein the first leg (38) and the second leg (40) are located at a bottom of the movable member (20), the guide path (42) and the engaging portion (44) are located on a top of the movable member (20).
- The mechanism as claimed in claim 1, wherein the first resilient member (24) is mounted to a fixing rod (56), 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 mechanism as claimed in claim 1, wherein 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 mechanism as claimed in claim 1, wherein 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), when the protrusion (62) is pushed by the contact portion (64), the movable member (20) is moved and the first leg (38) is disengaged from the bent section (36) of the fixing member (18).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW100120292A TWI421046B (en) | 2011-06-09 | 2011-06-09 | Slide assembly with opening mechanism |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2532272A1 true EP2532272A1 (en) | 2012-12-12 |
EP2532272B1 EP2532272B1 (en) | 2013-09-18 |
Family
ID=45443029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12150286.8A Active EP2532272B1 (en) | 2011-06-09 | 2012-01-05 | Opening mechanism of slide assembly |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2532272B1 (en) |
JP (1) | JP3174192U (en) |
ES (1) | ES2438175T3 (en) |
TW (1) | TWI421046B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9756940B2 (en) | 2015-11-12 | 2017-09-12 | King Slide Works Co., Ltd. | Driving mechanism and driving method for furniture |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103653895B (en) * | 2013-11-29 | 2015-12-16 | 苏州升德精密电气有限公司 | A kind of Easy-pull type automatic return device |
CN105078029A (en) * | 2014-05-23 | 2015-11-25 | 三千金属工业股份有限公司 | Resetting slide device |
TWI532452B (en) * | 2015-11-12 | 2016-05-11 | 川湖科技股份有限公司 | Drive mechanism |
TW201929735A (en) * | 2017-12-29 | 2019-08-01 | 梅堯國際股份有限公司 | Self-opening bouncing device for reducing collision noise and damages to components caused by collision |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5040833A (en) | 1989-05-10 | 1991-08-20 | Julius Blum Gesellschaft M.B.H. | Closing device for drawers |
US7347515B1 (en) * | 2005-07-01 | 2008-03-25 | Gslide Corporation | Sliding rail assembly auto opening mechanism for drawer |
US7374261B1 (en) | 2006-12-08 | 2008-05-20 | Dynaslide Corporation | Push-open type slide structure |
EP2272400A1 (en) * | 2009-07-09 | 2011-01-12 | Paul Hettich GmbH & Co. KG | Locking device and drawer slide |
EP2371241A1 (en) * | 2010-03-29 | 2011-10-05 | King Slide Works Co., Ltd. | Slide assmebly with an opening device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6733097B2 (en) * | 2000-05-01 | 2004-05-11 | Accuride International, Inc. | Self-closing slide and mechanism for a self-closing slide |
TWM312930U (en) * | 2006-11-17 | 2007-06-01 | Dynaslide Corp | Guideway top-pressure opening structure |
TWM397195U (en) * | 2010-09-20 | 2011-02-01 | Sun Chain Metal Industry Co Ltd | Connection device of drawer |
-
2011
- 2011-06-09 TW TW100120292A patent/TWI421046B/en active
- 2011-12-27 JP JP2011007686U patent/JP3174192U/en not_active Expired - Lifetime
-
2012
- 2012-01-05 EP EP12150286.8A patent/EP2532272B1/en active Active
- 2012-01-05 ES ES12150286.8T patent/ES2438175T3/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5040833A (en) | 1989-05-10 | 1991-08-20 | Julius Blum Gesellschaft M.B.H. | Closing device for drawers |
US7347515B1 (en) * | 2005-07-01 | 2008-03-25 | Gslide Corporation | Sliding rail assembly auto opening mechanism for drawer |
US7374261B1 (en) | 2006-12-08 | 2008-05-20 | Dynaslide Corporation | Push-open type slide structure |
EP2272400A1 (en) * | 2009-07-09 | 2011-01-12 | Paul Hettich GmbH & Co. KG | Locking device and drawer slide |
EP2371241A1 (en) * | 2010-03-29 | 2011-10-05 | King Slide Works Co., Ltd. | Slide assmebly with an opening device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9756940B2 (en) | 2015-11-12 | 2017-09-12 | King Slide Works Co., Ltd. | Driving mechanism and driving method for furniture |
Also Published As
Publication number | Publication date |
---|---|
JP3174192U (en) | 2012-03-08 |
TW201249375A (en) | 2012-12-16 |
EP2532272B1 (en) | 2013-09-18 |
ES2438175T3 (en) | 2014-01-16 |
TWI421046B (en) | 2014-01-01 |
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