[특허]Wheeled cart slidable onto horizontal surface

Gonzalez, David

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Wheeled cart slidable onto horizontal surface

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62B-001/26
미국특허분류(USC)	280/654; 280/047.19; 280/047.26; 280/652
출원번호	US-0104617 (2011-05-10)
등록번호	US-8353524 (2013-01-15)
발명자 / 주소	Gonzalez, David
출원인 / 주소	Gonzalez, David
인용정보	피인용 횟수 : 2 인용 특허 : 4

초록
▼

A wheeled cart capable of rolling along a first environmental surface, which may carry a plurality of storage receptacles in gimballing fashion thereon, and which enables the wheeled cart to be slid onto an elevated second environmental surface. The wheeled cart comprises a base supporting wheels and two upright support posts. A subframe supporting the storage receptacles is pivotally and slidably mounted to the upright support posts. The subframe may be inclined from its usual vertical orientation to a horizontal orientation and slid onto the second environmental surface. The base and support posts may be inclined from their usual vertical orientation to reassume longitudinal alignment with the subframe. Contents of the storage receptacles are thus moved en masse onto the second environmental surface without requiring removal from the wheeled cart, while constantly assuming their orientation relative to a vertical direction because of gimballing action of the storage receptacles.

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청구항
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1. A wheeled cart which is adapted to be readily moved from one horizontal surface to an elevated horizontal surface, comprising: a base comprising a plurality of wheels mounted to the base and projecting downwardly therefrom and a support frame comprising two spaced apart upright support posts fixed to the base and projecting upwardly from the base;a subframe mounted to the support frame so as to be able to both pivot on the support frame about a horizontal axis and to be able to translate horizontally with respect to the support frame independently of pivoting on the support frame; andat least one storage receptacle mounted to the subframe, wherein the subframe comprises two parallel spaced apart side rails and two spaced apart runners each coupled to one of the side rails, wherein each runner comprises a curved first end, wherein the curved first end of each runner is structurally joined to the end of one of the side rails, and, wherein each runner comprises an opposed curved second end which is structurally joined to the other end of that side rail to which its first end is structurally joined. 2. A wheeled cart which is adapted to be readily moved from one horizontal surface to an elevated horizontal surface, comprising: a base comprising a plurality of wheels mounted to the base and projecting downwardly therefrom and a support frame comprising two spaced apart upright support posts fixed to the base and projecting upwardly from the base;a subframe mounted to the support frame so as to be able to both pivot on the support frame about a horizontal axis and to be able to translate horizontally with respect to the support frame independently of pivoting on the support frame; andat least one storage receptacle mounted to the subframe, wherein each side rail of the subframe comprises a longitudinally oriented slot, and each upright support post comprises a projecting finger which engages the slot of one of the side rails, and the projecting fingers of the upright support posts are axially aligned with one another to establish a horizontal axis of pivot extending between the side rails such that the subframe is engaged and supported at two opposed sides and can pivot about the horizontal axis of pivot, and wherein the subframe can slide laterally with respect to the projecting fingers of the upright support posts independently of pivoting about the horizontal axis of pivot. 3. A wheeled cart which is adapted to be readily moved from one horizontal surface to an elevated horizontal surface, comprising: a base comprising a plurality of wheels mounted to the base and projecting downwardly therefrom and a support frame comprising two spaced apart upright support posts fixed to the base and projecting upwardly from the base;a subframe mounted to the support frame so as to be able to both pivot on the support frame about a horizontal axis and to be able to translate horizontally with respect to the support frame independently of pivoting on the support frame; andat least one storage receptacle mounted to the subframe, wherein each one of the storage receptacles comprises at least one drawer which can be pulled out from and slid back into the storage receptacle. 4. A wheeled cart which is adapted to be readily moved from one horizontal surface to an elevated horizontal surface, comprising: a base comprising a plurality of wheels mounted to the base and projecting downwardly therefrom and a support frame comprising two spaced apart upright support posts fixed to the base and projecting upwardly from the base;a subframe mounted to the support frame so as to be able to both pivot on the support frame about a horizontal axis and to be able to translate horizontally with respect to the support frame independently of pivoting on the support frame; andat least one storage receptacle mounted to the subframe, wherein at least one of the upright support posts comprises an associated bumper post which projects from the center line of its associated upright support post in the same direction as that in which the runners of the subframe project from the side rails of the subframe, and wherein each bumper post projects from its associated upright support post a distance greater than that by which the runners of the subframe project from the side rails of the subframe. 5. A wheeled cart which is adapted to be readily moved from one horizontal surface to an elevated horizontal surface, comprising: a base comprising a plurality of wheels mounted to the base and projecting downwardly therefrom and a support frame comprising two spaced apart upright support posts fixed to the base and projecting upwardly from the base;a subframe mounted to the support frame so as to be able to both pivot on the support frame about a horizontal axis and to be able to translate horizontally with respect to the support frame independently of pivoting on the support frame; andat least one storage receptacle mounted to the subframe, wherein the upright support posts are collectively located geometrically off-center relative to the base such that when the subframe is in longitudinal alignment with the upright support posts, the combined weights of the upright support posts, the subframe, and the storage receptacles are centered relative to the base. 6. A wheeled cart which is adapted to be readily moved from one horizontal surface to an elevated horizontal surface, comprising: a base comprising a plurality of wheels mounted to the base and projecting downwardly therefrom and a support frame comprising two spaced apart upright support posts fixed to the base and projecting upwardly from the base;a subframe mounted to the support frame so as to be able to both pivot on the support frame about a horizontal axis and to be able to translate horizontally with respect to the support frame independently of pivoting on the support frame; andat least one storage receptacle mounted to the subframe, wherein each one of the upright support posts is joined to the other upright support post and is telescopically adjustable in height above the base. 7. The wheeled cart of claim 6, further comprising a screw jack is disposed to lift the upright support posts to effect vertical adjustment of height of the upright support posts above the base. 8. A wheeled cart which is adapted to be readily moved from one horizontal surface to an elevated horizontal surface, comprising: a base comprising a plurality of wheels mounted to the base and projecting downwardly therefrom and a support frame comprising two spaced apart upright support posts fixed to the base and projecting upwardly from the base;a subframe mounted to the support frame so as to be able to both pivot on the support frame about a horizontal axis and to be able to translate horizontally with respect to the support frame independently of pivoting on the support frame; andat least one storage receptacle mounted to the subframe,a locking feature which releasably locks the subframe in longitudinal alignment with the upright support posts, wherein the locking feature comprises a bar which is selectively slidable into an engaged position which locks the subframe in longitudinal alignment with the upright support posts and a disengaged position wherein the subframe is not locked in longitudinal alignment with the upright support posts, and wherein in the engaged position, the bar interacts with the storage receptacles to oppose pivot of every one of the storage receptacles relative to the subframe. 9. The wheeled cart of claim 8, further comprising a fastener disposed to releasably secure the bar to the side rail of the subframe at any selected location along the length of the side rail within a limited range of travel. 10. A wheeled cart which is adapted to be readily moved from one horizontal surface to an elevated horizontal surface, comprising: a base comprising a plurality of wheels mounted to the base and projecting downwardly therefrom and a support frame comprising two spaced apart upright support posts fixed to the base and projecting upwardly from the base;a subframe mounted to the support frame so as to be able to both pivot on the support frame about a horizontal axis and to be able to translate horizontally with respect to the support frame independently of pivoting on the support frame; andat least one storage receptacle mounted to the subframe;a damper disposed to limit velocity of pivot of the subframe about the support frame.

이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 피인용횟수: 2

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Wheeled cart slidable onto horizontal surface

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Wheeled cart slidable onto horizontal surface

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이 특허에 인용된 특허 (4)

이 특허를 인용한 특허 피인용횟수: 2

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