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公开(公告)号：US10010239B2
公开(公告)日：2018-07-03
申请号：US15228195
申请日：2016-08-04
Applicant: Whirlpool Corporation
CPC classification number: A47L15/507 , A47L15/4225 , A47L15/4257 , A47L15/428 , A47L15/4285 , A47L15/4293 , A47L15/46
Abstract: An apparatus for the rack assembly of a dishwasher that includes opposing side portions, at least two axles extending outwardly from each of the opposing side portions, and a roller wheel mounted to each axle, wherein each roller wheel has ball bearings that enable at least a portion of the roller wheel to rotate about the axle. The rack assembly apparatus may be used for the upper or lower rack of the dishwasher. In case of the lower rack, the assembly may roll on the surface of the door. In case of the upper rack, the assembly may roll along guide rails.
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公开(公告)号：US10022037B2
公开(公告)日：2018-07-17
申请号：US15222356
申请日：2016-07-28
Applicant: Whirlpool Corporation
Inventor： Kevin T. Kutto , Ronald M. Nowell, Jr. , Kapil Gupta , Matthew M. Hansen , Sujay S. Dabade , Harshal J. Bhajak , Richard Lawrence Kretz
Abstract: A dish rack is supported for vertical movement relative to a dishwasher tub between lowered and raised positions. To raise the rack, spring biased locking levers provided on side walls of the dish rack are pivoted to cause wing members of the locking levers to release locking tabs, extending in a cantilevered fashion from locking straps secured to the rack, from locking openings provided in adjuster arms which are fixed vertically relative to the tub, thereby disengaging the locking straps from the adjuster arms to enable the rack to be lifted to the raised position. To lower the rack, the locking levers are again pivoted to reposition support members of the locking straps into positions offset from the adjuster arms, thereby enabling the rack to be guided to the lowered position where the locking tabs automatically engage the adjuster arms.
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公开(公告)号：US10765293B2
公开(公告)日：2020-09-08
申请号：US16723083
申请日：2019-12-20
Applicant: Whirlpool Corporation
Inventor： Matthew Martin Kenneth Hansen , Ronald M. Nowell, Jr. , Richard Lawrence Kretz , Kapil Gutpa , Darryl C. Bodine , Jerry M. Visin , Ameresh B. Viswanathan
Abstract: A dishwasher includes a tub at least partially defining a treating chamber, at least one dish rack in the treating chamber, and a rack height adjustment assembly. The rack height adjustment assembly includes an adjuster plate slidably coupled to the at least one dish rack and fixed vertically relative to the tub, the adjuster plate including at least one adjuster detent, a locking lever having a catch end that is biased to engage the adjuster detent to hold the dish rack in place in either a lowered or raised position, the locking lever being pivotally movable relative to the at least one dish rack between an engaging position where the catch end engages the adjuster detent and a release position where the catch end does not engage the adjuster detent and the dish rack is vertically movable between the lowered and raised positions, and an actuator configured to move the locking lever to the release position when the actuator is moved from an undepressed position to a depressed position.
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Patent Agency Ranking
公开(公告)号：US10582829B2
公开(公告)日：2020-03-10
申请号：US15797647
申请日：2017-10-30
Applicant: Whirlpool Corporation
Inventor： Matthew Martin Kenneth Hansen , Ronald M. Nowell, Jr. , Richard Lawrence Kretz , Kapil Gupta , Darryl C. Bodine , Jerry M. Visin , Ameresh B. Viswanathan
Abstract: A dishwasher includes a tub at least partially defining a treating chamber, at least one dish rack in the treating chamber, and a rack height adjustment assembly. The rack height adjustment assembly includes an adjuster plate slidably coupled to the at least one dish rack and fixed vertically relative to the tub, the adjuster plate including at least one adjuster detent, a locking lever having a catch end that is biased to engage the adjuster detent to hold the dish rack in place in either a lowered or raised position, the locking lever being pivotally movable relative to the at least one dish rack between an engaging position where the catch end engages the adjuster detent and a release position where the catch end does not engage the adjuster detent and the dish rack is vertically movable between the lowered and raised positions, and an actuator configured to move the locking lever to the release position when the actuator is moved from an undepressed position to a depressed position.
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公开(公告)号：US10575709B2
公开(公告)日：2020-03-03
申请号：US16299361
申请日：2019-03-12
Applicant: Whirlpool Corporation
Abstract: A rack assembly for an automatic dishwasher having opposing side portions, at least two axles extending outwardly from each of the opposing side portions, and a roller wheel mounted to each axle. Each roller wheel roller wheel has a hub adapted to be fixedly attached to the axle, and a wheel rotatably mounted to the hub. A plurality of separators that define pockets is integrally molded with one of the hub or the wheel. Each pocket is adapted to contain one ball bearing such that no two adjacent ball bearings make contact.
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公开(公告)号：US10292567B2
公开(公告)日：2019-05-21
申请号：US15973643
申请日：2018-05-08
Applicant: Whirlpool Corporation
Abstract: A rack assembly for an automatic dishwasher having opposing side portions, at least two axles extending outwardly from each of the opposing side portions, and a roller wheel mounted to each axle. Each roller wheel roller wheel has a hub adapted to be fixedly attached to the axle, and a wheel rotatably mounted to the hub. A plurality of separators that define pockets is integrally molded with one of the hub or the wheel. Each pocket is adapted to contain one ball bearing such that no two adjacent ball bearings make contact.
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公开(公告)号：US10136795B2
公开(公告)日：2018-11-27
申请号：US15426345
申请日：2017-02-07
Applicant: WHIRLPOOL CORPORATION
Inventor： Ronald M. Nowell, Jr. , Kapil Gupta , Richard Lawrence Kretz
Abstract: A dish rack assembly includes a dish rack having spaced wire frame elements at least partially defining a side wall, a height adjuster comprising an arm located on an exterior of the side wall and a retaining clip mounted to the arm and located on an interior of the side wall that can limit the relative movement of the dish rack.
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公开(公告)号：US10022038B2
公开(公告)日：2018-07-17
申请号：US15295070
申请日：2016-10-17
Applicant: WHIRLPOOL CORPORATION
Inventor： Matthew M. Hansen , Ronald M. Nowell, Jr.
IPC: A47L15/50 , A47B88/487
Abstract: In one aspect, a dishwasher includes a tub at least partially defining a treating chamber and defining an access opening, a dishrack, and a guide rail assembly slidably mounting the dishrack to the tub. The guide rail assembly has a guide rail mounted to the dishrack or to the tub and has upper and lower tracks, which are spaced from each other by a predetermined height, and at least one pair of wheels comprising upper and lower wheels, which are rotatably mounted to the other of the dishrack or the tub.
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