[특허]Multipurpose hand truck with movable wheels

Black & Decker Inc.

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Multipurpose hand truck with movable wheels

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62B-001/04
미국특허분류(USC)	280/655; 280/047.21; 280/047.29
출원번호	US-0613165 (1984-05-23)
우선권정보	IT-21973 (1983-05-26)
발명자 / 주소	Alessio, Lorenzo E.
출원인 / 주소	Black & Decker Inc.
대리인 / 주소	Sherer, Ronald B.Murphy, Edward D.Weinstein, Harold
인용정보	피인용 횟수 : 27 인용 특허 : 2

초록
▼

A multipurpose hand truck has a base frame with a handle frame connected thereto and orientatable to different angular positions relative to the base frame. A pair of wheels, which support the base frame, are mounted for movement in location along the base frame and are releasably securable thereto in at least two alternative spaced apart locations. Preferably wheel support brackets have channel sections therein which are slidable lengthwise along side members of the base frame. Pivotal plates connecting the handle and base frames enable the handle frame...

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1. A multipurpose hand truck, comprising: a base frame defining a lengthwise direction; a handle frame connected to the base frame and orientatable to different positions relative to the base frame; a pair of wheels; means for mounting said pair of wheels on the base frame to support the latter; said mounting means being movable in location along the base frame and releasably securable thereto in at least two alternative locations spaced apart in said lengthwise direction; a pair of plates connected to said base frame on opposite sides thereof and pivotal about a first axis, said handle frame also being connected to said plates and pivotal relative thereto about a second axis parallel to and spaced apart from said first axis; first securing means for releasably securing said plates against pivoting relative to said base frame; and second securing means for releasably securing said handle frame to said plates in different angular orientations relative to said plates. 2. The truck of claim 1, further comprising means, associated with the base frame, for cooperating with said mounting means to determine said alternative locations. 3. The truck of claim 2, wherein said cooperating means comprises bolt holes in said base frame spaced apart along said lengthwise direction. 4. The truck of claim 1, wherein said base frame comprises two side members, and said mounting means comprises two brackets which are movable along said side members. 5. The truck of claim 4, wherein each of said brackets has a channel portion in which a respective one of said side members slidably engages, and a part depending downwardly from said channel portion, and further comprising an axle on which said pair of wheels are mounted, said axle being supported by the downwardly depending parts of said brackets. 6. The truck of claim 5, wherein each said channel portion has an aperture therein, and each said side member has at least two lengthwise spaced apart holes therein, and further comprising at least two bolts releasably engageable through said apertures and said holes to locate and secure said brackets in said alternative locations. 7. The truck of claim 1, wherein said first securing means comprises alignable holes in said plates and said base frame and securing members engageable through the holes when aligned. 8. The truck of claim 1, wherein each of said plates has a plurality of spaced apart holes therein alignable in turn with an aperture in said handle frame, and a securing member releasably engageable through any one of said holes aligned with said aperture to secure said handle frame in a selected orientation relative to said plates. 9. The truck of claim 1, wherein said plates can pivot through 90 degrees relative to said base frame to orientate said handle frame parallel to said base frame in a folded disposition of the truck, said handle frame in said folded disposition being spaced from and above said base frame by said plates. 10. The truck of claim 1, wherein said handle frame is attached to said base frame at one end thereof, and further comprising an end plate releasably attached to said base frame at the opposite end thereof, said end plate having a flange at right angles thereto, said flange having bolt holes therein through which bolts releasably secure said flange to said base frame, whereby said end plate can be directed in either of two opposite directions with respect to said base frame by securing either one or the opposite side of said flange against said base frame. 11. A multipurpose hand truck, comprising: a base frame having two side members defining a lengthwise direction; a handle structure connected to said base frame at one end thereof and orientatable to different positions relative to said base frame; a pair of wheels mounted on an axle; a pair of brackets which engage said side members and are movable therealong in said lengthwise direction; said axle being mounted through said brackets with said wheels disposed outside said brackets; means for releasably securing said brackets in at least two spaced apart alternative locations along said side member; and a pair of plates pivotally connected to said base frame and releasably securable in one position, said handle structure being pivotally connected to said plates and releasably securable thereto in any selected one of a plurality of positions. 12. A multipurpose hand truck, comprising: a base frame having two side members connected by at least one transverse member; an end plate releasably secured to one end of said base frame, said end plate being securable in either one of two orientations to form a load retaining plate in one such orientation and a support plate for supporting said base frame in the other of said orientations; a pair of plates connected to said base frame at the other end thereof and pivotal relative to said base frame about a first axis; first securing means for releasably securing said plates in one pivotal orientation relative to said base plate; a handle frame by which the truck can be gripped and manipulated by an operator, said handle frame being pivotally connected to said plates and pivotal relative thereto about a second axis parallel to and spaced apart from said first axis; second securing means for releasably securing said handle frame in different pivotal orientations relative to said plates; a pair of brackets movable along said side members, each of said brackets having a channel portion in which a respective one of said side members engages and a V-shaped plate depending downwardly from said channel portion; means for releasably securing said brackets in at least two spaced apart alternative locations along said side members; and a pair of wheels mounted on an axle, said axle being mounted in said V-shaped plates.

이 특허에 인용된 특허 (2)

이 특허를 인용한 특허 피인용횟수: 27

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Multipurpose hand truck with movable wheels

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이 특허에 인용된 특허 (2)

이 특허를 인용한 특허 피인용횟수: 27

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Multipurpose hand truck with movable wheels

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이 특허에 인용된 특허 (2)

이 특허를 인용한 특허 피인용횟수: 27

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