[특허]Multipurpose storage and transport cart

Harper Trucks, Inc.

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Multipurpose storage and transport cart

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62B-003/02
미국특허분류(USC)	280/047.27; 280/047.18; 280/079.6; 280/047.36
출원번호	US-0107501 (2002-03-27)
발명자 / 주소	Stallbaumer, John J.
출원인 / 주소	Harper Trucks, Inc.
대리인 / 주소	Husch & Eppenberger, LLC
인용정보	피인용 횟수 : 29 인용 특허 : 10

초록

A multipurpose cart having a hand truck base with a nose extension, a tub, a handle wherein the handle is adjustably mounted in two positions 90 degrees apart, a shelf, caster wheels and a storage device. The multipurpose cart can be modified into various configurations for a variety of functions.

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1. A multipurpose cart having a pair of side frames joined by a handle at their upper ends, said side frames also being joined by cross rails along the length of said side frames; a lifting platform for supporting a lifted load, said lifting platform joining lower ends of said side frames; an axle with a pair of wheels attached to said lower ends of said side frames; and mounting brackets operatively attached to said upper ends of said side frames for receiving a pair of caster wheels, the improvement comprising:a nose extension operatively attached to said lower ends of said side frames having a first position for receiving said lifted load and a second position for allowing said lifting platform to be used for supporting said lifted load;wherein, during operation, said wheels and said caster wheels contact a surface, said nose extension is in said second position and said handle is removably attached to alternative sockets extending substantially perpendicular with said nose extension; anda tub, removably and operatively mounted on said nose extension and compression members of said side frames, wherein said handle extends from said alternative sockets and through said tub. 2. The multipurpose cart according to claim 1, further including a shelf removably mounted on said tub. 3. A multipurpose cart having a pair of side frames joined by a handle at their upper ends, said side frames also being joined by cross rails along the length of said side frames; a lifting platform for supporting a lifted load, said lifting platform joining lower ends of said side frames; an axle with a pair of wheels attached to said lower ends of said side frames; and mounting brackets operatively attached to said upper ends of said side frames for receiving a pair of caster wheels, the improvement comprising:a nose extension operatively attached to said lower ends of said side frames having a first position for receiving said lifted load and a second position for allowing said lifting platform to be used for supporting said lifted load;wherein during operation, said wheels and said caster wheels contact a surface, said nose extension is in said first position and said handle is removably attached to alternative sockets extending substantially parallel with said nose extension;a tub having first and second ends and a lip at the first end, the first end of the tub being removably mounted on said nose extension, wherein said lip is engaged with said nose extension; andpins operatively attached to said handle for supporting said tub at its second end. 4. The multipurpose cart according to claim 3, further including a shelf and a storage device removably mounted on compression members of said side frames below said tub. 5. The multipurpose cart according to claim 3, further including a shelf and a storage device removably mounted to said tub. 6. The multipurpose cart according to claim 3, further including a tool tray for holding tools. 7. A multipurpose cart having a pair of side frames joined by a handle at their upper ends, said side frames also being joined by cross rails along the length of said side frames; a lifting platform for supporting a lifted load, said lifting platform joining lower ends of said side frames; an axle with a pair of main wheels attached to said lower ends of said side frames; mounting brackets operatively attached to said upper ends of said side frames for receiving a pair of caster wheels; and a nose extension operatively attached to said lower ends of said side frames having a first position for receiving said lifted load and a second position for allowing said lifting platform to be used for supporting said lifted load;wherein said multipurpose cart may be operated alternately in a first working position and a second working position, wherein during operation in said first working position:said main wheels contact a surface and the side frames are in a generally upright position; andsaid multipurpose cart further comprise s:a removable shelf mounted on said nose extension in said first position;alternative sockets at the upper ends of said side frames for receiving said handle, the alternative sockets being arranged so that, when said handle is inserted therein, the handle extends at about a right angle to the side frames; anda plurality of securing clips which clamp on said handle for holding a bag in an open position; andduring operation in said second working position:said main wheels and caster wheels contact a surface;said handle is removably attached to the alternative sockets, both the handle and nose extension being in a generally upright position; andsaid multipurpose cart further includes a tub which has first and second ends, and a lip at said first end that is engaged with said nose extension; andsaid multipurpose cart also including pins operatively attached to said handle for supporting said tub at its second end. 8. The multipurpose cart according to claim 7, further including a shelf and a storage device removably mounted on compression members of said side frames and below said tub. 9. The multipurpose cart according to claim 7, further including a shelf and storage device removably mounted on said tub. 10. A multipurpose cart including:an elongated tub having first and second ends;a pair of side frames joined by a handle at their upper ends, said side frames also being joined by cross rails along the length of said side frames;a lifting platform for supporting a lifted load, said lifting platform joining lower ends of said side frames;an axle with a pair of wheels attached to said lower ends of said side frames;mounting brackets operatively attached to said upper ends of said side frames for receiving a pair of caster wheels;apparatus including said handle for supporting the elongated tub at the first end; anda nose extension operatively attached to said lower ends of said side frames for supporting the elongated tub at its second end. 11. A multipurpose cart according to claim 10, further including:a shelf sized for mounting on the elongated tub;clips for clamping on said handle; anda storage device for mounting on the multipurpose cart. 12. A multipurpose cart according to claim 10, further including a tool tray for holding tools. 13. A multipurpose cart according to claim 10, including means for pivotally mounting the nose extension to said lower ends of said side frames; and wherein the nose extension is moveable between a first position adjacent the side frames to a second position at about a right angle to the first position for supporting the second end of the elongated tub at the second position. 14. A multipurpose cart according to claim 13, wherein the elongated tub is removably mounted, the handle is moveable from the position supporting the first end of the elongated tub to another position at about a right angle thereto and extending outwardly from the side frames; whereby the cart is operable as a hand truck. 15. A multipurpose cart according to claim 13, wherein the elongated tub is removably mounted. 16. A multipurpose cart including a pair of side frames having upper and lower ends; first and alternative socket means at the upper ends, a handle at the upper ends and selectively mounted in one of the socket means; support means at the lower end of the side frames for supporting a lifted load; an axle with a pair of wheels attached to the lower ends of the side frames; a tub having first and second ends; the tub, when the side frames are in a lowered position adjacent the ground, being removably mounted on the support means; and wherein the handle extends from the alternative socket means and through the tub adjacent one of its ends to support the tub. 17. A multipurpose cart according to claim 16, wherein the support means comprises a nose extension pivotably mounted at the lower ends of the side frames for movement between a first position adjacent the side frames and a second position extending outwardly from the side frames at about a right angle thereto; and wherein the nose extension, when in the first position, is operative to engage the tub and restrain movement thereof. 18. A multipurpose cart according to claim 17, wherein the tub has a peripheral rim; wherein the nose extension, when in the second position, engages the rim at the other of said ends of the tub to support the tub in a position spaced from the side frames; and including means operatively attached to the handle for further supporting the tub in the position spaced from the side frames. 19. A multipurpose cart according to claim 17, including a shelf selectively mountable on the nose extension, the side frames, or the tub. 20. A multipurpose cart according to claim 16, wherein the handle is adjustably mounted in the first socket means for movement between multiple positions generally parallel to the side frames. 21. A multipurpose cart according to claim 17, including a storage device selectively mountable on the handle.

이 특허에 인용된 특허 (10)

이 특허를 인용한 특허 피인용횟수: 29

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Multipurpose storage and transport cart

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Multipurpose storage and transport cart

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이 특허에 인용된 특허 (10)

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