[특허]Drawer rail and home appliance including the same

LG Electronics Inc.

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특허 상세정보

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Drawer rail and home appliance including the same

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47B-088/00 A47B-088/57 A47B-088/437 A47L-015/50 A47B-088/43
출원번호	US-0862874 (2018-01-05)
등록번호	US-10201230 (2019-02-12)
우선권정보	KR-10-2017-0002099 (2017-01-05)
발명자 / 주소	Min, Hyeseong
출원인 / 주소	LG Electronics Inc.
대리인 / 주소	Fish & Richardson P.C.
인용정보	피인용 횟수 : 0 인용 특허 : 5

초록

A drawer rail and a home appliance including the same are disclosed. The home appliance includes a drawer rail configured to withdraw an item accommodation unit provided in a storage chamber and a rail bracket configured to mount the drawer rail to the storage chamber. The rail bracket includes a body configured to be mounted to the storage chamber, and bracket hooks provided at openings formed in a front portion and a rear portion of the body. The drawer rail includes rail holes into which the bracket hooks are respectively inserted.

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1. A home appliance defining a storage chamber configured to receive an item accommodation unit, the home appliance comprising: a drawer rail configured to withdraw the item accommodation unit from the storage chamber; anda rail bracket configured to couple the drawer rail to the storage chamber,wherein the rail bracket comprises: a body configured to couple to the storage chamber, the body defining a front opening at a front portion of the body and a rear opening at a rear portion of the body, andbracket hooks located at the front opening and the rear opening of the body, and wherein the drawer rail defines rail holes configured to receive the bracket hooks,wherein the body of the rail bracket comprises: a contact portion configured to contact a side wall of the storage chamber, anda raised portion that protrudes from the contact portion toward inside of the storage chamber and that is spaced apart from the side wall of the storage chamber,wherein the raised portion comprises a front raised portion and a rear raised portion,wherein the bracket hooks comprise a front bracket hook located at the front raised portion, and a rear bracket hook located at the rear raised portion,wherein each raised portion comprises a hook-perforated portion configured to define one of the bracket hooks, andwherein each bracket hook includes a portion that is bent from one of the front and rear raised portions. 2. The home appliance according to claim 1, wherein each bracket hook comprises: a latching portion located at a front end of the front or rear opening, the latching portion being configured to limit movement of the drawer rail relative to the rail bracket; anda cover portion that extends from the latching portion along the rail bracket, the cover portion being configured to limit lateral movement of the drawer rail relative to the rail bracket in a direction toward the side wall of the storage chamber. 3. The home appliance according to claim 2, wherein the rail holes are configured to receive the latching portion and the cover portion, and wherein the latching portion is configured to, based on the drawer rail moving in a state in which the latching portion and the cover portion are inserted into one of the rail holes, catch the one of the rail holes. 4. The home appliance according to claim 2, wherein each raised portion further comprises a stopper located rearward of each bracket hook and configured to limit rearward movement of the drawer rail relative to the rail bracket. 5. The home appliance according to claim 4, wherein each raised portion further comprises a stopper-perforated portion configured to define the stopper, and wherein the stopper includes a portion that is bent from one of the front and rear raised portions. 6. The home appliance according to claim 5, wherein each raised portion comprises an upper portion, a lower portion, and a connection portion that connects the upper portion and the lower portion to each other, wherein the hook-perforated portion and the stopper-perforated portion are spaced apart from each other in a longitudinal direction along the rail bracket,wherein the connection portion is located between the hook-perforated portion and the stopper-perforated portion. 7. The home appliance according to claim 6, wherein each raised portion further comprises beads located at the upper portion and the lower portion, the beads being configured to increase rigidity of each raised portion. 8. The home appliance according to claim 4, wherein the rail holes comprise: a rear rail hole having a first length in a longitudinal direction of the drawer rail; anda front rail hole located forward of the rear rail hole, the front rail hole having a second length in the longitudinal direction that is less than the first length of the rear rail hole. 9. The home appliance according to claim 8, wherein a front end of the rear rail hole is configured to, based on the latching portion at the rear opening catching a rear end of the rear rail hole, be spaced apart from the stopper located at the rear raised portion, and wherein a front end of the front rail hole is configured to, based on the latching portion catching a rear end of the front rail hole, contact the stopper located at the front raised portion. 10. The home appliance according to claim 9, wherein the front rail hole includes a stepped portion located at the front end of the front rail hole, and wherein the stepped portion allows, based on a first portion of the front end of the front rail hole contacting the stopper located at the front raised portion, a second portion of the front end of the front rail hole to be spaced apart from the stopper located at the front raised portion. 11. The home appliance according to claim 1, wherein at least one of the rail holes comprises: an inclined portion that has a vertical width that decreases from a front end of the one of the rail holes toward a rear end of the one of the rail holes, anda straight portion that extends from the inclined portion to the rear end of the one of the rail holes and that has a constant vertical width. 12. The home appliance according to claim 1, wherein the drawer rail comprises: a first rail configured to couple to the storage chamber;a second rail configured to couple to the item accommodation unit;a third rail located between the first rail and the second rail;a first retainer located between the first rail and the third rail, and configured to allow the first rail to move relative to the third rail;a second retainer located between the second rail and the third rail, and configured to allow the second rail to move relative to the third rail;a first stopper configured to limit a first distance between the first rail and the third rail; anda second stopper configured to limit a second distance between the second rail and the third rail. 13. The home appliance according to claim 12, wherein each of the first rail and the second rail comprises: a vertical surface that defines a plurality of perforated portions; andbent surfaces that are bent from an upper end and a lower end of the vertical surface,wherein the first rail and the second rail have a same size and a same shape, andwherein the plurality of perforated portions of the first rail are configured to correspond to the plurality of perforated portions of the second rail. 14. The home appliance according to claim 13, wherein the plurality of perforated portions of the first rail comprise the rail holes defined in the first rail, and the plurality of perforated portions of the second rail comprise the rail holes defined in the second rail. 15. A home appliance defining a storage chamber configured to receive an item accommodation unit, the home appliance comprising: a drawer rail configured to withdraw the item accommodation unit from the storage chamber; anda rail bracket configured to couple the drawer rail to the storage chamber,wherein the rail bracket comprises: a body configured to couple to the storage chamber, the body defining a front opening at a front portion of the body and a rear opening at a rear portion of the body, andbracket hooks located at the front opening and the rear opening of the body, andwherein the drawer rail defines rail holes configured to receive the bracket hooks,wherein the body of the rail bracket comprises: a contact portion configured to contact a side wall of the storage chamber, anda raised portion that protrudes from the contact portion toward inside of the storage chamber and that is spaced apart from the side wall of the storage chamber,wherein the raised portion comprises a front raised portion and a rear raised portion,wherein the bracket hooks comprise a front bracket hook located at the front raised portion, and a rear bracket hook located at the rear raised portion,wherein the contact portion comprises a first contact portion located forward of each raised portion, and a second contact portion located rearward of each raised portion, andwherein at least one of the first contact portion or the second contact portion includes a welding portion configured to be welded to the side wall of the storage chamber. 16. A home appliance defining a storage chamber configured to receive an item accommodation unit, the home appliance comprising: a drawer rail configured to withdraw the item accommodation unit from the storage chamber; anda rail bracket configured to couple the drawer rail to the storage chamber,wherein the rail bracket comprises: a body configured to couple to the storage chamber, the body defining a front opening at a front portion of the body and a rear opening at a rear portion of the body, andbracket hooks located at the front opening and the rear opening of the body,wherein the drawer rail defines rail holes configured to receive the bracket hooks,wherein the drawer rail comprises: a first rail configured to couple to the storage chamber;a second rail configured to couple to the item accommodation unit;a third rail located between the first rail and the second rail;a first retainer located between the first rail and the third rail, and configured to allow the first rail to move relative to the third rail;a second retainer located between the second rail and the third rail, and configured to allow the second rail to move relative to the third rail;a first stopper configured to limit a first distance between the first rail and the third rail; anda second stopper configured to limit a second distance between the second rail and the third rail,wherein each of the first rail and the second rail comprises: a vertical surface that defines a plurality of perforated portions; andbent surfaces that are bent from an upper end and a lower end of the vertical surface,wherein the first rail and the second rail have a same size and a same shape,wherein the plurality of perforated portions of the first rail are configured to correspond to the plurality of perforated portions of the second rail,wherein the plurality of perforated portions of the first rail comprise the rail holes defined in the first rail, and the plurality of perforated portions of the second rail comprise the rail holes defined in the second rail, andwherein the plurality of perforated portions of each of the first and second rails comprise a front-holder-coupling portion and a rear-holder-coupling portion that are configured to couple the item accommodation unit to each of the first and second rails. 17. The home appliance according to claim 16, wherein the drawer rail further comprises: a front holder configured to couple to the front-holder-coupling portion of at least one of the first rail or the second rail, the front holder comprising an insertion portion that extends from an upper end of the one of the first rail or the second rail in a downward direction of the one of the first rail or the second rail; anda rear holder configured to couple to the rear-holder-coupling portion of the one of the first rail or the second rail, the rear holder comprising an insertion portion that extends from a rear end of the one of the first rail or the second rail in a forward direction of the one of the first rail or the second rail.

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Drawer rail and home appliance including the same

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Drawer rail and home appliance including the same

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이 특허에 인용된 특허 (5)

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