[특허]Cart for transporting beach accessories and associated method

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Cart for transporting beach accessories and associated method

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62B-001/04
미국특허분류(USC)	280/047.18; 280/047.19; 280/652
출원번호	UP-0215657 (2008-06-30)
등록번호	US-7819407 (2010-11-15)
발명자 / 주소	Charitun, Marian
인용정보	피인용 횟수 : 15 인용 특허 : 31

초록
▼

A cart assembly includes a frame that has an axle extending across a lower end thereof. Handles are included that have slotted and telescoping upper and lower sections. A transport platform is pivotally connected to each handle base and the axle, and folds against the handles. The platform has an arm wrapped about a major axle circumference. The arm has a gap formed therein. A horizontal support bar is positioned at an assembly top end, and is vertically raised and lowered for adjusting an assembly height. Horizontal members are included that form a part of the frame and extend between the handles below the horizontal support bar. Each horizontal member has hooks rotatably mounted therearound and further is slidably displaced along longitudinal lengths of the horizontal members. Wheels are rotatably mounted about opposed axle ends. A mechanism is included for prohibiting the platform from biasing downwardly from a raised position.

대표
청구항
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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 cart assembly for allowing a user to easily transport a plurality of chairs, said cart assembly comprising: a frame having a rectilinear axle extending transversely across a lower end of said frame; a plurality of handles forming sides of said frame, each of said handles having an upper section and a lower section, said upper sections being telescopically connected to said lower sections and slidably adapted along a vertical direction, said upper sections and said lower sections having a plurality of slots engraved therein; a transport platform pivotally and directly connected to a base of each of said handles, said transport platform being configured to fold against said plurality of handles by being articulated about a fulcrum axis defined along said axle; a horizontal support bar monolithically formed with said plurality of handles, said horizontal support bar being positioned at a top of said cart assembly, said horizontal support bar being raised and lowered along the vertical direction for adjusting a height of said cart assembly; a plurality of horizontal members forming a part of said frame and intermediately extending between said plurality of handles below said horizontal support bar, each of said horizontal members having a plurality of hooks rotatably mounted therearound, in a manner allowing said hooks to rotate around said horizontal members, and further being slidably displaced along respective longitudinal lengths of said horizontal members; and a plurality of wheels rotatably mounted about linearly opposed ends of said axle, said wheels being positioned on a bottom surface of a rear side of said transport platform such that said transport platform remains balanced along a horizontal plane while pivoted to a lowered position. 2. The cart assembly of claim 1, wherein each of said horizontal members further comprises: an opening formed at axially opposed sides thereof, said openings being selectively aligned with said plurality of slots of said upper section and said lower section of said handle. 3. The cart assembly of claim 1, wherein said cart assembly further comprises: a plurality of locking bolts directly and adjustably attached to each of said handles, said plurality of locking bolts being adapted along respective linear travel paths registered parallel to said axle to lock each of said handles at a selected position on said frame, said selected position being defined at an intersection of corresponding ones of said slots on said upper and lower sections respectively. 4. The cart assembly of claim 3, wherein said plurality of locking bolts are further adapted to lock each of said horizontal members at a particular position on said frame, wherein selected ones of said locking bolts simultaneously locks said upper and lower sections as well as said horizontal members to said frame when said openings are aligned with said slots respectively. 5. The cart assembly of claim 1, wherein each of said hooks comprises: first and second telescopically connected sections; and a bracket mounted about said horizontal members in such a manner that said bracket is simultaneously rotatable about said horizontal members while being slidably displaced along a longitudinal length of said horizontal members respectively. 6. The cart assembly of claim 5, wherein said first section is directly and fixedly attached to said bracket, said second section being slidably adapted between extended and retracted positions defined along a linear path, said linear path being disposed subjacent and orthogonal to said longitudinal length of said horizontal members such that a single chair is engaged from a stack of chairs when said second section is adapted to said retracted position; wherein a plurality of chairs are engaged from a stack of chairs when said second section is adapted to said extended position. 7. The cart assembly of claim 1, wherein each of said plurality of wheels is mounted on said axle of said frame via a sealed bearing, said sealed bearing including a plurality of coextensively shaped ball bearings dynamically housed therein such that said ball bearing freely move along a concentric path defined about said axle. 8. A cart assembly for allowing a user to easily transport a plurality of chairs, said cart assembly comprising: a frame having a rectilinear axle extending transversely across a lower end of said frame; a plurality of handles forming sides of said frame, each of said handles having an upper section and a lower section, said upper sections being telescopically connected to said lower sections and slidably adapted along a vertical direction, said upper sections and said lower sections having a plurality of slots engraved therein; a transport platform pivotally and directly connected to a base of each of said handles and about said axle, said transport platform being configured to fold against said plurality of handles by being articulated about a fulcrum axis defined along said axle, said transport platform having a curvilinear arm wrapped about a major circumference of said axle, said arm having a gap formed therein wherein a portion of said axle becomes covered and uncovered by said arm during rotation of said transport platform; a horizontal support bar monolithically formed with said plurality of handles, said horizontal support bar being positioned at a top of said cart assembly, said horizontal support bar being raised and lowered along the vertical direction for adjusting a height of said cart assembly; a plurality of horizontal members forming a part of said frame and intermediately extending between said plurality of handles below said horizontal support bar, each of said horizontal members having a plurality of hooks rotatably mounted therearound, in a manner allowing said hooks to rotate around said horizontal members, and further being slidably displaced along respective longitudinal lengths of said horizontal members; a plurality of wheels rotatably mounted about linearly opposed ends of said axle, said wheels being positioned on a bottom surface of a rear side of said transport platform such that said transport platform remains balanced along a horizontal plane while pivoted to a lowered position; and means for selectively prohibiting said transport platform from biasing downwardly from a raised position. 9. The cart assembly of claim 8, wherein said selectively prohibiting means comprises: a resilient spring member; and a release pin coupled to said spring member; wherein said spring member has a first end anchored to said axle and further has an opposite second end attached directly to said release pin, said release pin being urged inwardly along a radial path to a retracted position when said portion of said axle is covered by said arm, said release pin traveling outwardly along the radial path to an extended position when said arm uncovers said portion of said axle; wherein said retracted and extended positions are defined when said spring member is compressed and at equilibrium respectively. 10. The cart assembly of claim 8, wherein each of said horizontal members further comprises: an opening formed at axially opposed sides thereof, said openings being selectively aligned with said plurality of slots of said upper section and said lower section of said handle. 11. The cart assembly of claim 8, wherein said cart assembly further comprises: a plurality of locking bolts directly and adjustably attached to each of said handles, said plurality of locking bolts being adapted along respective linear travel paths registered parallel to said axle to lock each of said handles at a selected position on said frame, said selected position being defined at an intersection of corresponding ones of said slots on said upper and lower sections respectively. 12. The cart assembly of claim 11, wherein said plurality of locking bolts are further adapted to lock each of said horizontal members at a particular position on said frame, wherein selected ones of said locking bolts simultaneously locks said upper and lower sections as well as said horizontal members to said frame when said openings are aligned with said slots respectively. 13. The cart assembly of claim 8, wherein each of said hooks comprises: first and second telescopically connected sections; and a bracket mounted about said horizontal members in such a manner that said bracket is simultaneously rotatable about said horizontal members while being slidably displaced along a longitudinal length of said horizontal members respectively. 14. The cart assembly of claim 13, wherein said first section is directly and fixedly attached to said bracket, said second section being slidably adapted between extended and retracted positions defined along a linear path, said linear path being disposed subjacent and orthogonal to said longitudinal length of said horizontal members such that a single chair is engaged from a stack of chairs when said second section is adapted to said retracted position; wherein a plurality of chairs are engaged from a stack of chairs when said second section is adapted to said extended position. 15. The cart assembly of claim 8, wherein each of said plurality of wheels is mounted on said axle of said frame via a sealed bearing, said sealed bearing including a plurality of coextensively shaped ball bearings dynamically housed therein such that said ball bearing freely move along a concentric path defined about said axle. 16. A method for easily transporting a plurality of chairs, said method comprising the steps of: a. providing a frame having a rectilinear axle extending transversely across a lower end of said frame; b. forming sides of said frame by providing a plurality of handles, each of said handles having an upper section and a lower section, said upper sections and said lower sections having a plurality of slots engraved therein; c. telescopically connecting said upper sections to said lower sections by slidably adapting said upper and lower sections along a vertical direction; d. providing and pivotally connecting a transport platform directly to a base of each of said handles and about said axle; e. folding said transport platform against said plurality of handles by performing the following steps i. articulating said transport platform about a fulcrum axis defined along said axle, and ii. providing and wrapping a curvilinear arm about a major circumference of said axle, said arm having a gap formed therein wherein a portion of said axle becomes covered and uncovered by said arm during rotation of said transport platform respectively; f. providing a horizontal support bar monolithically formed with said plurality of handles, said horizontal support bar being positioned at a top of said cart assembly; g. raising and lowering said horizontal support bar along the vertical direction for adjusting a height of said cart assembly; h. providing and intermediately extending a plurality of horizontal members between said plurality of handles below said horizontal support bar for forming a part of said frame; i. providing and rotatably mounting a plurality of hooks around each of said horizontal members in a manner allowing said hooks to rotate around said horizontal members while slidably displacing said hooks along respective longitudinal lengths of said horizontal members; j. providing and rotatably mounting a plurality of wheels about linearly opposed ends of said axle, said wheels being positioned on a bottom surface of a rear side of said transport platform such that said transport platform remains balanced along a horizontal plane while pivoted to a lowered position; and k. selectively prohibiting said transport platform from biasing downwardly from a raised position.

이 특허에 인용된 특허 (31)

이 특허를 인용한 특허 피인용횟수: 15

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Cart for transporting beach accessories and associated method

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Cart for transporting beach accessories and associated method

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이 특허에 인용된 특허 (31)

이 특허를 인용한 특허 피인용횟수: 15

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IPC 상세정보(version : 201201)

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