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특허 상세정보

Caster assembly & shelf for use with collapsible cart

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/00    B62B-003/00    B62D-021/14    B62D-033/08    B62D-033/00    F16M-011/00    A47F-007/00    A47G-029/00   
미국특허분류(USC) 280/638; 280/639; 280/654; 280/655; 280/043.15; 280/043.16; 248/127; 248/128; 248/129; 211/022; 211/071.01; 211/186; 211/187; 211/153; 211/190; 211/192; 211/193
출원번호 US-0772971 (2007-07-03)
등록번호 US-7490847 (2009-02-17)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Buche,John K.
인용정보 피인용 횟수 : 13  인용 특허 : 25

Disclosed is a lightweight caster assembly and modular shelf system for use on an existing collapsible foldable cart with four wheels.


I claim: 1. A cart and removable adaptable shelf apparatus comprising: (a) A cart with a telescoping frame and foldable handles rotatably connected to opposite ends of said frame; (b) At least one multi-level shelf system adapted to connect between said foldable handles, said multi-level shelf system operationally configured to expand or contract in concert with said telescoping frame, and wherein said multi-level shelf system is operationally configured to attach to said foldable handles of said telescoping frame at positions ranging from the top of sa...

이 특허에 인용된 특허 (25)

  1. Finch Thomas E.. Anti-Shimmy caster wheel Mounting. USP1998095809612.
  2. Seipos Andrew G. (Miami FL). Caster assembly. USP1980094224714.
  3. Kazmark ; Jr. Eugene A.. Collapsible cart. USP1999085941543.
  4. Bono Julian M. (Savannah GA) Hoffman Jonathan (Flanders NJ). Combination carrier cart/table device. USP1993045201536.
  5. Lewallen Charles D. (Rte. 2 ; Box 1075 Corbett OR 97109). Combination handtruck and portable work table. USP1981084284286.
  6. Sherman William S. (132 Belle Ave. Highland Park IL 60035). Combined portable table and hand truck. USP1986014565382.
  7. Miller Walter A. (5687 Pleasant Ave. Northridgeville OH 44039). Convertible bulk hand truck and table top. USP1996075536034.
  8. Dahl Gary-Michael (8300 Sands Point Dr. #903 Houston TX 77036). Convertible transport cart. USP1995125476282.
  9. Dahl Gary-Michael (8300 Sands Pointe Dr. #903 Houston TX 77036). Convertible transport cart. USP1993075228716.
  10. Huang Min-Tai (4 Fl. ; No. 302 ; Pai Ling Wu Rd. Taipei TWX). Detachable front wheel assembly for a pushcart. USP1990114969230.
  11. Young, Larry P.. Drywall cart. USP2004096786503.
  12. Christensen ; Carl O.. Flutter-resistant caster. USP1978074097954.
  13. Jensen Oystein (8355 Ny Solbjerg Onstedvej 9 DK). Hand trucks. USP1977034009891.
  14. Thompson John R. (Rte. 2 ; Box 214 Scammon KS 66773). Manual pull-type carrier for transporting a large game carcass. USP1994075328192.
  15. Jarmusz Donna F. (290 Winding Creek Dr. Naperville IL 60565) Fidelibus Felix N. (2 Poplar St. Port Chester NY 10573). Mobile recycling cart. USP1992045108120.
  16. Lee William S.. Moving system. USP2000066079941.
  17. Chang Chien I. (No. 38 ; Bao-Chung 3rd St. Chia-Yi City TWX). Multi-function chair. USP1992115160182.
  18. Dahl, Gary-Michael. Multi-functional convertible transport cart. USP2005116966574.
  19. Liu, Wen-Che. On a wheel of a rack. USP2004116810561.
  20. Golichowski Gary D. ; Presnell Donald C.. Platform truck with multi-positionable handle. USP2000026024376.
  21. Hsieh Hung-Ching,TWX ; Hsieh Yung-Shun,TWX. Stretchable and foldable cart. USP1998105816604.
  22. Hall Donald M. (P.O. Box 1247 ; Progress St. Kingston NY 12401). Support assembly for a holding rack. USP1994075330064.
  23. Doyle Michael P. (Stratford CT) Forte Francis J. (Huntington CT) Galkowski Edward (Shelton CT). Swivel caster assembly and method of making. USP1987114707880.
  24. Hubbard Phillip W. (P.O. Box 5287 Valdosta GA 31603). Utility cart. USP1991045004263.
  25. Black John W. (Hickory Corners MI). Wheel bracket mounting structure. USP1987124709444.