[특허]Convertible backpack

Winfield, Menachem Pinhas

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검색연산자	기능	검색시 예
()	우선순위가 가장 높은 연산자	예1) (나노 (기계 \| machine))
공백	두 개의 검색어(식)을 모두 포함하고 있는 문서 검색	예1) (나노 기계) 예2) 나노 장영실
\|	두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색	예1) (줄기세포 \| 면역) 예2) 줄기세포 \| 장영실
!	NOT 이후에 있는 검색어가 포함된 문서는 제외	예1) (황금 !백금) 예2) !image
*	검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색	예) semi*
""	따옴표 내의 구문과 완전히 일치하는 문서만 검색	예) "Transform and Quantization"

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Convertible backpack

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A45C-005/14 B60B-007/20 A45C-007/00 A45F-003/04 A45C-013/26
출원번호	US-0886898 (2018-02-02)
등록번호	US-10144246 (2018-12-04)
발명자 / 주소	Winfield, Menachem Pinhas
출원인 / 주소	Winfield, Menachem Pinhas
대리인 / 주소	Minch, Maxwell L.
인용정보	피인용 횟수 : 0 인용 특허 : 10

초록

This invention is related to a convertible backpack capable of being converted from a regular backpack into a trolley case and vice versa according to a user preference. The convertible backpack of the invention comprises at least a rotatable wheels cover mechanism, for covering the outer side of each one of the wheels upon usage of the convertible backpack as a backpack and for uncovering the outer side of each one of the wheels upon usage of the convertible backpack as a trolley case.

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1. A convertible backpack configured be converted from a backpack position into a trolley case, and vice versa according to a user preference, said convertible backpack comprising at least: a. a trolley base configured to hold a backpack and to be connected to a handle and to at least two wheels for rolling the trolley case on the ground;b. a telescopic trolley handle configured to be extracted upward upon usage of the convertible backpack as a trolley case, and to be retracted inward upon usage as a backpack;c. at least two wheels configured to allow rolling of the trolley case on the ground;d. a backpack body configured to be assembled with said trolley base and said telescopic trolley handle; ande. a rotatable wheels cover mechanism for covering the outer side of each one of said wheels upon usage of said convertible backpack as a backpack and for uncovering the outer side of each one of said wheels upon usage of said convertible backpack as a trolley case. 2. A convertible backpack according to claim 1, wherein said rotatable wheels cover mechanism is operated by movement of said telescopic trolley handle upward and downward such that upon extraction of said telescopic trolley handle upward, each of said wheel covers rotates inward so as to uncover the outer side of said wheels, and upon insertion of said telescopic trolley handle downward, each of said wheel covers rotates outward so as to cover the outer side of said wheels. 3. A convertible backpack according to claim 1, wherein said rotatable wheels cover mechanism comprises at least: a. a crankshaft top pressure slider positioned at the lowest part of said telescopic trolley handle;b. a crank;c. a wheel shaft for connecting said wheels of said convertible backpack; andd. at least two retraction springs mounted on said wheel shaft;wherein, upon insertion of said telescopic trolley handle downward, each of said wheel covers is rotated by said wheel shaft outward by pressure produced by said crankshaft top pressure slider on said crank so as to cover said outer sides of the wheels, and upon extraction of said telescopic trolley handle upward, said crankshaft top pressure slider is pulled up, releasing the pressure on said crank, thereby allowing the wheel shaft to rotate inward with the aid of the force applied by said at least two retraction springs together with said wheel covers so as to uncover the outer sides of said wheels. 4. A convertible backpack according to claim 1, further comprising shoulder straps and a shoulder straps retraction mechanism, wherein upon extraction of the telescopic trolley handle upward for usage of said convertible backpack as a trolley case, said shoulder straps retraction mechanism is configured to pull the shoulder straps upward along said telescopic trolley handle, for elevating said shoulder straps away from the ground, and further to bring said shoulder straps back to their initial position, upon retraction of said telescopic trolley handle inward to a backpack position. 5. A rotatable wheel cover mechanism for a convertible backpack that can be converted from a backpack into a trolley case, and vice versa, according to a user's preference comprises at least: a. a crankshaft top pressure slider positioned at the lowest part of a telescopic trolley handle;b. a crank;c. a wheel shaft for connecting the wheels of said convertible backpack;d. wheel covers for covering the wheels of said convertible backpack, ande. at least two retraction springs mounted on said wheel shaft;wherein, upon usage of said convertible backpack as a backpack and insertion of said telescopic trolley handle downward, each of said wheels covers is rotated by said wheel shaft outward by pressure produced by said crankshaft top pressure slider on said crank, so as to cover the outer sides of said wheels, and upon extraction of said telescopic trolley handle upward to use said convertible backpack as a trolley case, said crankshaft top pressure slider is pulled up, and the pressure on said crank is released, allowing said wheel shaft, with the aid of the force applied by said at least two retraction springs, to rotate inward, together with said wheels covers, so as to uncover the outer sides of said wheels.

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Convertible backpack

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Convertible backpack

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