[특허]Snap-in bearing rack and pinion system

Whirlpool Corporation

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Snap-in bearing rack and pinion system

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47B-096/04 A47B-096/00
미국특허분류(USC)	312/402; 312/404; 312/331; 312/334.8
출원번호	UP-0838978 (2007-08-15)
등록번호	US-7594707 (2009-10-12)
발명자 / 주소	Kunkle, Aidan Carl Maglinger, Frank Weston Mills, Richard Bruce Reuter, Daryl Lee
출원인 / 주소	Whirlpool Corporation
대리인 / 주소	Goodwin, Kirk W.
인용정보	피인용 횟수 : 30 인용 특허 : 10

초록
▼

A snap-in rack and pinion stabilizing system for a cabinet drawer including first and second slide assemblies mounted in the cabinet, a rack gear connected to each of the first and second slide assemblies, and spaced mounting brackets connected to the drawer having opposite sides and a bottom edge. The rack and pinion stabilizing system also includes a snap-on pinion gear assembly including a shaft, first and second pinion gears mounted on opposite ends of the shaft, and first and second bearing brackets. The bearing brackets rotatably support the shaft ...

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청구항
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We claim: 1. A pull-out apparatus having a rack and pinion stabilizing system comprising: first and second slide assemblies positioned to movably support the pull-out apparatus; a rack gear associated with each of the first and second slide assemblies; a snap-on pinion gear assembly comprising: a shaft; first and second pinion gears on opposite ends of the shaft; and first and second bearing brackets rotatably supporting the shaft; first and second mounting brackets connected to the pull-out apparatus and attached to respective first and second slide assemblies, the first and second mounting brackets each including a bottom edge having a recess to receive the shaft and at least one strike surface; wherein each bearing bracket includes at least one latch surface arranged to engage said mounting bracket strike surface to attach the pinion gear assembly to the pull-out apparatus with each pinion gear engaging a respective rack gear; wherein the bearing brackets each include a journal to rotatably support the shaft, a first member extending generally perpendicular to the journal and a second member extending generally perpendicular to the journal and generally parallel to the first member, and further wherein the first member and the second member are arranged to receive the mounting bracket between said first and second members. 2. The pull-out apparatus according to claim 1, wherein the pull-out apparatus comprises a drawer slideably mounted in a cabinet and further wherein the first and second slide assemblies are mounted to the cabinet. 3. The pull-out apparatus according to claim 1, wherein each said rack gear is connected to each of the first and second slide assemblies. 4. The pull-out apparatus according to claim 3, wherein the rack gear is pan of a C-shaped channel connected to each of the first and second slide assemblies. 5. The pull-out apparatus according to claim 1, wherein the first member includes the at least one latch surface arranged to engage the at least one strike surface. 6. The pull-out apparatus according to claim 5, wherein the first members include two latch surfaces and the mounting brackets each include two strike surfaces. 7. The pull-out apparatus according to claim 6, wherein the second members include a rib extending generally perpendicular to the journal and toward the first member and the mounting bracket each include a slot extending generally perpendicularly from the recess to receive the rib to locate the bearing bracket with the latch surfaces aligned with the strike surfaces. 8. The pull-out apparatus according to claim 7, wherein the first member is flexible to allow the latch surfaces to slide on the mounting bracket side and engage the strike surfaces as bearing brackets are assembled to the mounting brackets. 9. The pull-out apparatus according to claim 6, wherein the latch surfaces comprise a ramp extending upwardly from the surface of the first members toward the second member and a lock surface extending generally perpendicular from the surface of the first member to the distal end of the ramp. 10. The pull-out apparatus according to claim 9, wherein the strike surfaces comprise an opening in the mounting brackets arranged to receive the latch surface with the lock surface engaging the edge of the opening. 11. A cabinet including a drawer having a rack and pinion stabilizing system comprising: first and second slide assemblies mounted in the cabinet; a rack gear connected to each of the first and second slide assemblies; spaced mounting brackets connected to the first and second slide assemblies and connected to the drawer and having opposite sides and a bottom edge, each mounting bracket comprising: a recess in the bottom edge; a slot extending from the recess generally perpendicular to the bottom edge; and two strike surface openings in the mounting brackets adjacent the slot; a snap-on pinion gear assembly comprising: a shaft; first and second pinion gears mounted on opposite ends of the shaft; and first and second bearing brackets comprising: a journal arranged to rotatably support the shaft; a first member extending generally perpendicular to the journal; a second member extending generally perpendicular to the journal and generally parallel to the first member, with the first and second members being arranged to engage the opposite sides of the mounting bracket; the first members having two latch surfaces each comprising a ramp extending upwardly from the surface of the first member toward the second member and a lock surface arranged to engage the two strike surface openings in the mounting bracket; and the second members having a rib extending generally perpendicular to the journal and arranged to engage the slot to locate the bearing bracket with the latch surfaces aligned with the strike surface openings. 12. The cabinet according to claim 11, wherein the cabinet comprises a refrigerator freezer having a freezer compartment comprising a drawer opening in the bottom portion of the cabinet and the drawer comprises a freezer compartment drawer. 13. The a cabinet according to claim 12, wherein the drawer includes an insulated drawer front for closing the drawer opening in the cabinet and wherein the insulated drawer front is attached to the spaced mounting brackets. 14. The cabinet according to claim 13, wherein the spaced mounting brackets support a container for holding items in the freezer compartment. 15. A method for assembling a drawer and a rack and pinion stabilizing system in a cabinet comprising: providing a cabinet having first and second slide assemblies including first and second rack gears and first and second spaced drawer mounting brackets each including at least one strike surface; attaching at least a drawer element to the first and second drawer mounting brackets; providing a snap-on pinion gear assembly comprising: a shaft; first and second bearing brackets rotatably supporting the shaft including at least one latch surface and a journal to rotatably support the shaft, a first member extending generally perpendicular to the journal and a second member extending generally perpendicular to the journal and generally parallel to the first member, and further wherein the first member and the second member are arranged to receive the mounting bracket between said first and second members; and first and second pinion gears at the opposite ends of the shaft; and assembling the pinion gear assembly to the slide assembly by connecting the first and second bearing brackets to the first and second mounting brackets with the first and second members receiving a respective drawer mounting bracket with the at least one latch surface engaging the at least one strike surface, and the first and second pinion gears engaging the first and second rack gears. 16. A method of assembling a freezer drawer having a rack and pinion stabilizing system in a refrigerator freezer cabinet drawer cavity comprising: mounting rack gears to first and second slide assemblies; attaching mounting brackets each including at least one strike surface to the first and second slide assemblies; mounting the first and second slide assemblies including the rack gears and mounting brackets to opposite side walls of the drawer cavity; attaching an insulated drawer front to the mounting brackets; providing a snap-on pinion gear assembly comprising: a shaft; first and second bearing brackets rotatably supporting the shaft including at least one latch surface and a journal to rotatably support the shaft, a first member extending generally perpendicular to the journal and a second member extending generally perpendicular to the journal and generally parallel to the first member, and further wherein the first member and the second member are arranged to receive the mounting bracket between said first and second members; and first and second pinion gears at the opposite ends of the shaft; extending the insulated drawer front to a fully extended position; and assembling the pinion gear assembly to the mounting brackets by connecting the first and second bearing brackets to respective mounting brackets with the first and second members receiving a respective drawer mounting bracket with the at least one latch surface engaging the at least one strike surface, and the first and second pinion gears engaging the rack gears. 17. The method of assembling a freezer drawer according to claim 16, wherein the method further comprises the step of assembling a container to the mounting brackets after the step of assembling the pinion gear assembly to the mounting brackets.

이 특허에 인용된 특허 (10)

이 특허를 인용한 특허 피인용횟수: 30

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특허 상세정보

Snap-in bearing rack and pinion system

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이 특허에 인용된 특허 (10)

이 특허를 인용한 특허 피인용횟수: 30

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Snap-in bearing rack and pinion system

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이 특허에 인용된 특허 (10)

이 특허를 인용한 특허 피인용횟수: 30

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