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특허 상세정보

Foldable cart

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/04   
미국특허분류(USC) 280/40 ; 280/655 ; 280/4729
출원번호 US-0270373 (1994-07-05)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 44  인용 특허 : 0

A foldable cart comprises a handle, a pair of wheels pivotally mounted to the bottom respective ends of the handle, and a loading platform at the bottom of the cart in an opposite direction with respect to the wheels. The loading platform has a pair of conical gears at the rear respective ends adapted to engage with a pair of crown gears located at the bottom ends of the wheel frames to adjust the position of the loading platform with respect to the cart.


A foldable cart comprising a handle having two ends turned 90 degrees downwardly and pivotally connected to a pair of legs, a pair of U-shaped members at said pivotal connection of said handle and said legs, a pair of wheel frames and a loading platform being secured to the bottom portions of said legs, and the improvement comprising: said loading platform having a pair of fixturing housings at respective rear corners and a pair of guiding blocks secured in said fixturing housings, each of said fixturing housings having an aperture formed through an oute...

이 특허를 인용한 특허 피인용횟수: 44

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  3. Yang, Cheng-Chiang. Cart. USP201207D664733.
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  11. James Tsai TW. Collapsible trolley. USP2002076425599.
  12. Powwarynn, Thomas. Combination motorized wheeled vehicle and portable hand truck. USP2017059663130.
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  15. Zimmer,J��rgen. Dolly. USP2008067387306.
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  22. Khodor, Leonid. Folding chassis for manually driven carrier vehicles capable of traversing obstacles. USP2015119187106.
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