IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0737208
(2013-01-09)
|
등록번호 |
US-8567882
(2013-10-29)
|
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
5 인용 특허 :
8 |
초록
▼
A rack assembly for an appliance is provided. The rack assembly includes a sidewall and a rack adjustment assembly. The rack adjustment assembly includes an engagement cam that selectively engages a member of the sidewall in order to permit the sidewall to be moved upwardly and downwardly along a ve
A rack assembly for an appliance is provided. The rack assembly includes a sidewall and a rack adjustment assembly. The rack adjustment assembly includes an engagement cam that selectively engages a member of the sidewall in order to permit the sidewall to be moved upwardly and downwardly along a vertical direction relative to the rack adjustment assembly.
대표청구항
▼
1. A rack assembly for an appliance, the rack assembly defining a vertical direction and a transverse direction, the vertical and transverse directions being perpendicular, the rack assembly comprising: a sidewall formed of a series of vertical members fixed to a series of transverse members, said s
1. A rack assembly for an appliance, the rack assembly defining a vertical direction and a transverse direction, the vertical and transverse directions being perpendicular, the rack assembly comprising: a sidewall formed of a series of vertical members fixed to a series of transverse members, said series of vertical members extending longitudinally along the vertical direction and spaced apart from one another along the transverse direction, said series of transverse members extending longitudinally along the transverse direction and spaced apart from one another along the vertical direction; anda rack adjustment assembly comprising: an axle having an axis of rotation about which said axle is rotatable;a plurality of engagement cams fixed to said axle, said plurality of engagement cams spaced from each other along the transverse direction on said axle such that each engagement cam of said plurality of engagement cams is disposed between vertical members of said series of vertical members, each engagement cam of said plurality of engagement cams having an upper surface and a lower surface positioned opposite the upper surface, said plurality of engagement cams being simultaneously rotatable with said axle about the axis of rotation between a support position and an adjustment position, wherein the upper surface of said engagement cams is in contact with one of said series of transverse members in the support position, wherein said plurality of engagement cams is oriented in a manner that allows one of said series of transverse members to move across the lower surface of said engagement cams in the adjustment position. 2. The rack assembly of claim 1, wherein said rack adjustment assembly further comprises a biasing element that urges said plurality of engagement cams to rotate towards a support position. 3. The rack assembly of claim 2, wherein said biasing member comprises a weighted cam fixed to said axle, said weighted cam urging said plurality of engagement cams to rotate towards the support position. 4. The rack assembly of claim 3, wherein said rack assembly extends between a top portion and a bottom portion along the vertical direction, said rack adjustment assembly further comprising a locking mechanism, the locking mechanism receiving said weighted cam when said weighted cam is urged against one of said series of transverse members at the bottom portion of said rack assembly, said plurality of engagement cams held in an adjustment position when said locking mechanism receives said weighted cam. 5. The rack assembly of claim 4, wherein said rack adjustment assembly further comprises a resetting member fixed to said axle, said resetting member urging said weighted cam out of said locking mechanism when said resetting member is urged against one of said series of transverse members at the top portion of said rack assembly. 6. The rack assembly of claim 1, wherein said series of vertical members are uniformly spaced apart from one another along the transverse direction, and said series of transverse members are uniformly spaced apart from one another along the vertical direction. 7. The rack assembly of claim 1, wherein a vertical position of said sidewall is selectively adjustable with said rack adjustment assembly by pulling said sidewall upwardly along the vertical direction or by pushing said sidewall downwardly along the vertical direction. 8. A rack assembly for an appliance, the rack assembly defining a vertical direction, and a transverse direction, the vertical and transverse directions being perpendicular, the rack assembly comprising: a sidewall formed of a series of vertical members fixed to a series of transverse members, said series of vertical members extending longitudinally along the vertical direction and spaced apart from one another along the transverse direction, said series of transverse members extending longitudinally along the transverse direction and spaced apart from one another along the vertical direction; anda rack adjustment assembly positioned adjacent said sidewall, said rack adjustment assembly comprising: an axle having an axis of rotation about which said axle is rotatable;an plurality of engagement cams fixed to said axle, said plurality of engagement cams spaced from each other along the transverse direction on said axle such that each engagement cam of said plurality of engagement cams is disposed between vertical members of said series of vertical members, said plurality of engagement cams simultaneously rotatable with said axle about the axis of rotation;wherein said plurality of engagement cams is rotatable between a support position and an adjustment position, said plurality of engagement cams supporting one of said series of transverse members in the support position in order to hinder said rack assembly from moving downwardly along the vertical direction. 9. The rack assembly of claim 8, wherein said rack adjustment assembly further comprises a biasing element that urges said plurality of engagement cams to rotate towards the support position. 10. The rack assembly of claim 9, wherein said biasing member comprises a weighted cam fixed to said axle, said weighted cam urging said plurality of engagement cams to rotate towards the support position. 11. The rack assembly of claim 9, wherein said rack assembly extends between a top portion and a bottom portion along the vertical direction, said rack adjustment assembly further comprising a locking mechanism, the locking mechanism receiving said weighted cam when said weighted cam is urged against one of said series of transverse members at the bottom portion of said rack assembly, said plurality of engagement cams held in the adjustment position when said locking mechanism receives said weighted cam. 12. The rack assembly of claim 11, wherein said rack adjustment assembly further comprises a resetting member fixed to said axle, said resetting member urging said weighted cam out of said locking mechanism when said resetting member is urged against one of said series of transverse members at the top portion of said rack assembly. 13. The rack assembly of claim 8, wherein said series of vertical members are uniformly spaced apart from one another along the transverse direction, and said series of transverse members are uniformly spaced apart from one another along the vertical direction. 14. The rack assembly of claim 8, wherein a vertical position of said sidewall is selectively adjustable with said rack adjustment assembly by pulling said sidewall upwardly along the vertical direction or by pushing said sidewall downwardly along the vertical direction. 15. A dishwasher appliance, the dishwasher appliance defining a vertical direction, a lateral direction, and a transverse direction, the vertical, lateral, and transverse directions being mutually perpendicular, the dishwasher appliance comprising: a tub that defines a wash chamber; anda rack assembly for receipt of articles for washing, said rack assembly having opposing sidewalls that are spaced apart along the lateral direction, the opposing sidewalls each having a series of vertical members fixed to a series of transverse members, said series of vertical members extending longitudinally along the vertical direction and spaced apart from one another along the transverse direction, said series of transverse members extending longitudinally along the transverse direction and spaced apart from one another along the vertical direction;a pair of slides mounted to said tub at the opposing sidewalls of said rack assembly, said pair of slides configured for sliding movement of said rack assembly within the wash chamber of said tub; anda pair of rack adjustment assemblies mounted to said pair of slides, each of said rack adjustment assemblies comprising: an axle having an axis of rotation about which said axle is rotatable;a plurality of engagement cams fixed to said axle, said plurality of engagement cams spaced from each other along the transverse direction on said axle such that each engagement cam of said plurality of engagement cams is disposed between vertical members of said series of vertical members, each engagement cam of said plurality of engagement cams having an upper surface and a lower surface positioned opposite the upper surface, said plurality of engagement cams being simultaneously rotatable with said axle about the axis of rotation between a support position and an adjustment position, wherein the upper surface of said engagement cams is in contact with one of said series of transverse members in the support position, wherein said plurality of engagement cams is oriented in a manner that allows one of said series of transverse members to move across the lower surface of said engagement cams in the adjustment position. 16. The dishwasher appliance of claim 15, wherein said rack adjustment assembly further comprises a biasing element that urges said plurality of engagement cams to rotate towards the support position. 17. The dishwasher appliance of claim 16, wherein said biasing member comprises a weighted cam fixed to said axle, said weighted cam urging said plurality of engagement cams to rotate towards the support position. 18. The dishwasher appliance of claim 17, wherein said rack assembly extends between a top portion and a bottom portion along the vertical direction, said rack adjustment assembly further comprising a locking mechanism, the locking mechanism receiving said weighted cam when said weighted cam is urged against one of said series of transverse members at the bottom portion of said rack assembly, said plurality of engagement cams held in the adjustment position when said locking mechanism receives said weighted cam. 19. The dishwasher appliance of claim 18, wherein said rack adjustment assembly further comprises a resetting member fixed to said axle, said resetting member urging said weighted cam out of said locking mechanism when said resetting member is urged against one of said series of transverse members at the top portion of said rack assembly. 20. The dishwasher appliance of claim 15, wherein a vertical position of said tub is selectively adjustable with said pair of rack adjustment assemblies by pulling said tub upwardly along the vertical direction or by pushing said tub downwardly along the vertical direction.
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