[특허]Adaptable luggage cart for transporting items between remote locations

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Adaptable luggage cart for transporting items between remote locations

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62B-003/00
미국특허분류(USC)	280/047.371; 280/047.34; 280/047.17; 280/047.315; 280/043; 280/043.1
출원번호	UP-0974438 (2007-10-12)
등록번호	US-7717440 (2010-06-10)
발명자 / 주소	Baba, Ahmad
인용정보	피인용 횟수 : 7 인용 특허 : 29

초록
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A manually operable luggage cart includes a central and unitary storage chamber with planar top and bottom surfaces. The assembly further includes a handle that is pivotal between rectilinear oblong displaced positions extending parallel and diagonal to a longitudinal length of the storage chamber, a plurality of casters rotatably connected to the storage chamber, and a mechanism for automatically biasing the casters between exposed and retracted positions from the bottom surface of the storage chamber when the handle is pivoted between the parallel and ...

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What is claimed as new and what is desired to secure by Letters Patent of the United States is: 1. A manually operable luggage cart for transporting goods between remote locations, said luggage cart comprising: a central storage chamber having planar top and bottom surfaces; a handle being pivotal between rectilinear oblong displaced positions extending parallel and diagonal to a longitudinal length of said storage chamber; a plurality of casters being rotatably connected to said storage chamber; and means for automatically biasing said casters between exposed and retracted positions from said bottom surface of said storage chamber when said handle is pivoted between the parallel and diagonal positions and about a curvilinear path defined adjacent to a proximal end of said storage chamber; wherein said automatic biasing means comprises at least one rectilinear shaft directly coupled to at least one of said casters, said rectilinear shaft having a geared front face extending along a major longitudinal length thereof: a drive gear directly connected to said handle and being rotated along clockwise and counter clockwise directions when said handle is pivoted between the parallel and diagonal positions respectively; a first driven gear in direct and rotary engagement with said drive gear, said first driven gear being freely rotated in an opposite arcuate path with respect to said drive gear and further being housed within said storage chamber; and a second driven gear in direct and rotary engagement with said first driven gear and said rectilinear shaft respectively, said second driven gear being rotated in a same direction as said drive gear; wherein said second driven gear causes said rectilinear shaft to reciprocate along a rectilinear path while said drive gear is rotated along the clockwise and counter clockwise directions when said handle is pivoted between the parallel and diagonal positions respectively; wherein said handle comprises a pair of tubular female members situated against said bottom surface of said storage chamber and extending parallel to a longitudinal length thereof; and a pair of tubular male members telescopically seated within said female members and longitudinal displaced between linearly extended and retracted positions respectively; wherein said male members are completely removably from said female members when fully displaced to the extended position such that said male members are pivoted between clockwise and counter clockwise positions such that said male members are selectively adapted between the parallel and diagonal positions as said handle is raised and lowered about a distal end of said storage chamber; wherein said first driven gear is intermediately disposed between said second driven gear and said drive gear, said drive gear being situated adjacent to a proximal end of said luggage cart and partially exposed from said bottom surface of said storage chamber for allowing said male members to freely rotated along a travel path defined exterior of said storage chamber. 2. The luggage cart of claim 1, further comprising: a plurality of straps having opposed ends directly mated to longitudinal sides of said storage chamber, said straps traversing across said top surface of said storage chamber for securing the goods on top of said top surface of said storage chamber. 3. The luggage cart of claim 1, wherein said first driven gear is spaced from said rectilinear shaft and said male members respectively. 4. A manually operable luggage cart for transporting goods between remote locations, said luggage cart comprising: a central and unitary storage chamber having planar top and bottom surfaces; a handle being pivotal between rectilinear oblong displaced positions extending parallel and diagonal to a longitudinal length of said storage chamber; a plurality of casters being rotatably connected to said storage chamber; and means for automatically biasing said casters between exposed and retracted positions from said bottom surface of said storage chamber when said handle is pivoted between the parallel and diagonal positions and about a curvilinear path defined adjacent to a proximal end of said storage chamber, said automatic biasing means being partially housed within said storage chamber; wherein said automatic biasing means comprises at least one rectilinear shaft directly coupled to at least one of said casters, said rectilinear shaft having a geared front face extending along a major longitudinal length thereof; a drive gear directly connected to said handle and being rotated along clockwise and counter clockwise directions when said handle is pivoted between the parallel and diagonal positions respectively; a first driven gear in direct and rotary engagement with said drive gear, said first driven gear being freely rotated in an opposite arcuate path with respect to said drive gear and further being housed within said storage chamber; and a second driven gear in direct and rotary engagement with said first driven gear and said rectilinear shaft respectively, said second driven gear being rotated in a same direction as said drive gear; wherein said second driven gear causes said rectilinear shaft to reciprocate along a rectilinear path while said drive gear is rotated along the clockwise and counter clockwise directions when said handle is pivoted between the parallel and diagonal positions respectively; wherein said handle comprises a pair of tubular female members situated against said bottom surface of said storage chamber and extending parallel to a longitudinal length thereof; and a pair of tubular male members telescopically seated within said female members and longitudinal displaced between linearly extended and retracted positions respectively; wherein said male members are completely removably from said female members when fully displaced to the extended position such that said male members are pivoted between clockwise and counter clockwise positions such that said male members are selectively adapted between the parallel and diagonal positions as said handle is raised and lowered about a distal end of said storage chamber; wherein said first driven gear is intermediately disposed between said second driven gear and said drive gear, said drive gear being situated adjacent to a proximal end of said luggage cart and partially exposed from said bottom surface of said storage chamber for allowing said male members to freely rotated along a travel path defined exterior of said storage chamber. 5. The luggage cart of claim 4, further comprising: a plurality of straps having opposed ends directly mated to longitudinal sides of said storage chamber, said straps traversing across said top surface of said storage chamber for securing the goods on top of said top surface of said storage chamber. 6. The luggage cart of claim 4, wherein said first driven gear is spaced from said rectilinear shaft and said male members respectively.

이 특허에 인용된 특허 (29)

이 특허를 인용한 특허 피인용횟수: 7

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Adaptable luggage cart for transporting items between remote locations

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이 특허에 인용된 특허 (29)

이 특허를 인용한 특허 피인용횟수: 7

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Adaptable luggage cart for transporting items between remote locations

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이 특허에 인용된 특허 (29)

이 특허를 인용한 특허 피인용횟수: 7

IPC 상위 출원인

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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