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특허 상세정보

Collapsible cart

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-007/06   
미국특허분류(USC) 280/042 ; 280/079.3
출원번호 US-0649210 (1996-05-17)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    McAfee & Taft
인용정보 피인용 횟수 : 20  인용 특허 : 0
초록

A foldable or collapsible utility cart which may be alternated between a closed and an open, operable position is disclosed. The invention includes four vertical legs with a plurality of shelves mounted thereon. The shelves are rotatable relative to the legs and foldable about a middle thereof so that the cart may be alternated between the open operable position and the closed position for storage purposes. The cart is self-supporting and thus includes a stabilizing means. The stabilizing means automatically locks, or stabilizes the cart in the open posi...

대표
청구항

[ What is claimed is:] [1.] A foldable utility cart comprising:four vertical legs, said legs being positioned to define a generally rectangular shape when said cart is in an open, operable position;a plurality of shelves mounted on said legs, said shelves being vertically spaced along a height of said legs, each of said shelves being foldable about the middle thereof and being rotatable relative to said legs, wherein said cart may be alternated between said operable, open position, and a collapsed position, said shelves having first and second ends and f...

이 특허를 인용한 특허 피인용횟수: 20

  1. Gonzalez, Arturo; Kessell, Steven M.; Potter, Michael D.; Foster, III, Jerry Vance. Adjustable rack. USP2016089409586.
  2. Gonzalez, Arturo; Kessell, Steven M.; Potter, Michael D.; Foster, III, Jerry Vance. Adjustable rack. USP2015079079597.
  3. Polidoros Nicholas,AUX. Base for folding service trolley. USP200104D440021.
  4. Bess, Suzan L.. Collapsible and portable wheeled dolly particularly suitable for use by students or others in the transport of items. USP2010067731221.
  5. Mitchell David. Collapsible basket. USP2001086276548.
  6. David L. King. Collapsible cart with shelf. USP2002106457737.
  7. King, David L.. Collapsible cart with shelf. USP2003046540249.
  8. Stanley A. Johanson. Collapsible domestic cart. USP2002026349962.
  9. Maddux, Larry; Le, Johannes; Nicholson, Jeff. Collapsible food service system. USP2017109801476.
  10. Radlow, Nicole; Radlow, Edward; Radlow, Melissa. Easy access collapsible cart. USP2013038393634.
  11. Webster, Rustin; Clark, Jeremy T.; Manning, Ryan. Extendable and collapsible apparatus that supports attachable components. USP2013098528919.
  12. Zhu, Shou Qiang; Zheng, Edward. Foldable and portable storage shelf. USP2012098256629.
  13. Liaw Deng-Hae,TWX. Foldable serving cart. USP2001046213494.
  14. Ke, Chia-Nan. Foldable shelf. USP2018039913533.
  15. Fitzwater, Jason; Eckert, Cameron; Boyle, Michael S.. Foldable wagon. USP20180910081380.
  16. Wen-Tsan Wang TW. Folding collapsible clothes rack. USP2002126488160.
  17. Deng, Shaomao. Folding shelf. USP20180810058171.
  18. Young, Matthew E.; Greenberg, Daniel R.. Power assist wagon. USP2018039925999.
  19. Stuart,Myrna Lea; Stuart,Gordon Henry. Shopping buddy. USP2008057377538.
  20. Grace, Daniel R.. Slimfold table. USP2017049615654.