IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0934211
(2013-07-02)
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등록번호 |
US-9156485
(2015-10-13)
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발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
LaMorte & Associates, P.C.
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인용정보 |
피인용 횟수 :
0 인용 특허 :
4 |
초록
▼
A leverage cart assembly is used to lift and move a load. The leverage cart assembly has a load plate that is coupled to a support framework. The load to be lifted is placed on the lift plate and is strapped to the support framework. A hand truck assemblage is provided that is used to raise and lowe
A leverage cart assembly is used to lift and move a load. The leverage cart assembly has a load plate that is coupled to a support framework. The load to be lifted is placed on the lift plate and is strapped to the support framework. A hand truck assemblage is provided that is used to raise and lower the load plate, the support framework, and the attached load. The hand truck assemblage includes a cart framework that is supported on wheels. At least one lift plate extends from the cart framework and engages the load plate with a hinged connection. As the hand truck assemblage is tilted, the lift arm inclines. This elevates the load plate and the load. However, due to the hinge connection, the orientation of the load plate relative the load remains constant as the load plate and load are lifted.
대표청구항
▼
1. A leverage cart assembly, comprising: a load plate upon which a load can rest;a support framework affixed to said load plate, wherein said support framework extends primarily in a first plane and said load plate extends from said support framework forward of said first plane;a cart framework that
1. A leverage cart assembly, comprising: a load plate upon which a load can rest;a support framework affixed to said load plate, wherein said support framework extends primarily in a first plane and said load plate extends from said support framework forward of said first plane;a cart framework that extends primarily in a second plane;wheels for supporting said cart framework;a lift arm having a flat top plate and a distal end, wherein said lift arm extends as a cantilever away from said cart framework at a perpendicular to said second plane;a hinge connection that connects said distal end of said lift arm to said load plate, wherein said load plate is free to pivot with said hinge joint about said distal end and wherein said load plate lays flat atop said flat top plate of said lift arm when said cart framework is upright and said secondary plane of said cart framework is vertical. 2. The assembly according to claim 1, further including an adjustable spacing bracket extending between said support framework and said cart framework for holding said support framework and said cart framework in one of a plurality of possible orientations. 3. The assembly according to claim 2, wherein said spacing bracket is connected to said support framework with a pivot connection. 4. The assembly according to claim 3, wherein said spacing bracket contains a plurality of spaced hook elements that can selectively engage said cart framework. 5. The assembly according to claim 1, wherein said load plate has a bottom surface and said hinge connection couples said lift arm to said bottom surface. 6. The assembly according to claim 1, wherein said load plate is parallel to said lift arm when said cart framework is upright and said second plane of said cart framework is parallel to said first plane of said support framework. 7. The assembly according to claim 6, wherein said lift arm tilts upwardly, when said cart framework is inclined, wherein said lift arm elevates said load plate. 8. The assembly according to claim 7, wherein said load plate is connected to said support framework with a hinged joint. 9. A leverage cart assembly, comprising: a cart framework that extends in a primary plane;wheels for supporting said cart framework;a flat plate that extends from said cart framework at a perpendicular, wherein said flat plate terminates at a distal end;a load plate having a top surface and a bottom surface, wherein said load plate lays flat atop said flat plate when said cart framework is upright and said primary plane of said cart framework is vertical;a hinge connection disposed at said distal end of said flat plate, wherein said bottom surface of said load plate is affixed to said flat plate by said hinge connection, and wherein said hinge connection enables said load plate to remain horizontal while said flat plate inclines. 10. The assembly according to claim 9, further including a support framework that is coupled to said load plate, wherein said support framework and said load plate form an assemblage that is rotatable about said hinge connection relative said cart framework. 11. The assembly according to claim 10, further including an adjustable spacing bracket extending between said support framework and said cart framework for holding said support framework and said cart framework in one of a plurality of possible orientations. 12. The assembly according to claim 11, wherein said spacing bracket is connected to said support framework with a pivot connection. 13. The assembly according to claim 12, wherein said spacing bracket contains a plurality of spaced hook elements that can selectively engage said cart framework. 14. The assembly according to claim 9, wherein said flat plate tilts upwardly, when said cart framework is inclined, wherein said flat plate elevates said load plate. 15. A leverage cart, comprising: a load support assemblage having a load plate coupled to a support framework with a hinged joint;a hand truck assemblage having a lift arm affixed to a cart framework generally at a perpendicular, wherein said lift arm of said hand truck assemblage has a flat top plate and a distal end that extends away from said cart framework; anda hinged connection disposed at said distal end of said lift arm, wherein said hinge connection joins said load plate to said distal end of said lift arm, wherein said hinged connection enables said load plate to remain level as said lift arm is tilted, and wherein said load plate lays flat atop said flat top plate of said lift arm when said cart framework is upright and said cart framework is vertically oriented. 16. The leverage cart according to claim 15, further including wheels connected to said cart framework. 17. The leverage cart according to claim 15, further including an adjustable spacing bracket extending between said support framework and said cart framework for holding said support framework and said cart framework in one of a plurality of possible orientations. 18. The assembly according to claim 17, wherein said spacing bracket is connected to said support framework with a pivot connection.
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