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특허 상세정보

Handcart

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/00   
미국특허분류(USC) 280/047.35; 280/047.18; 280/047.26; 280/654; 280/079.3
출원번호 US-0869482 (2010-08-26)
등록번호 US-8087679 (2012-01-03)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Litman, Richard C.
인용정보 피인용 횟수 : 4  인용 특허 : 29
초록

The handcart has various embodiments, each embodiment having a pair of larger wheels at the back of the load-carrying platform and a rear axle located above the plane of at least the forward portion of the platform. Smaller caster wheels are mounted on arms extending forward and outward from the forward corners of the platform. The outward ends of the arms are displaced upwardly to place the platform bottom only very slightly higher than the bottoms of the forward casters, thus increasing stability by lowering the center of gravity of the cart and conten...

대표
청구항

1. A load-carrying handcart, comprising: a platform having an upper, load-carrying surface, rear portion, a forward portion having a lower flange depending therefrom and defining the lower surface of the platform, a left front corner, and a right front corner;a superstructure extending upwardly from the platform;a rear axle extending laterally across the superstructure and above at least the forward portion of the platform;large diameter, directionally fixed rear wheels extending from the rear axle, the rear wheels being disposed laterally outward from t...

이 특허에 인용된 특허 (29)

  1. Fernandez, Javier. Apparatus for draining and transporting large diameter hoses. USP2010027661683.
  2. Hollis,Fred Borras. Bilevel, cantilevered, angled platform welding cart with cylinder rack. USP2008057374185.
  3. Kollen, Glenn Hahn. Bin cart. USP200310D480527.
  4. Brubacher,Paul; Van Dyke,Harry. Cart. USP200606D523608.
  5. O'Connor,James J.. Cart for welding operations. USP2008047357398.
  6. Parent Richard (Lake Bluff IL). Computer servicing cart with structural frame. USP1992055113546.
  7. Hittle, David Christopher; Kinchen, Vance; Gregg, Todd Earl. Cylinder cart with lowering lever. USP2011020632042.
  8. Orstad Russell D. (Rte. 2 Villisca IA 50864) Orstad Durwood D. (Rte. 2 Villisca IA 50864). Dolly for lifting and carrying dead sows and the like. USP1984034435115.
  9. Horner Douglas M. ; Girard Alan-Michael. Double cylinder dolly. USP200004D423173.
  10. Salvucci Frank S.. Dual cylinder cart with firewall divider. USP2000096116623.
  11. Peet Gale P. (6960 Yarmouth Ave. Reseda CA 91335). Gas can transporter. USP1980024187950.
  12. Dukes,Stephen A.. Hand truck. USP200805D570068.
  13. Hittle, David Christopher. Hand truck. USP200304D473990.
  14. Keller William A. ; Keller Sharon L.. Hand truck. USP200104D440727.
  15. Popham Brian. Hand truck. USP199901D404877.
  16. Mulka,William P.; Eaton,Donald R.. Horizontally divided cart. USP200810D578270.
  17. Bennett Richard C.. Knock-down support for gas cylinders. USP2000056059127.
  18. Emma Sam F. (702 Hawthorne La. Geneva IL 60134). Manual shovelling and dumping devices. USP1981124302894.
  19. Hewitt Timothy W.. Mobile base. USP2000086109625.
  20. Kirch Paul W. (2325 Kellog Court Altadena CA 91001). Mobile spray apparatus. USP1976083977602.
  21. Rich Robert L. (13371 Lucille St. Garden Grove CA 92641). Multi-purpose hand truck. USP1979124179132.
  22. Beattie Thomas R.. Pet car seat and carry-all. USP2001056223691.
  23. Barritt,Dell; Dewegeli,Eugene. Safety welding cart. USP2007087252297.
  24. Schwager, Raymond A.. Three-wheeled cart. USP200910D603121.
  25. Edward A. Womble ; Altos V. Womble. Transport cart for elongated objects. USP2002046368048.
  26. Ditmars, Jr., Ronald Glenn. Trash can cart. USP200307D477900.
  27. Watts Hampton H. (416 Greeley St. Louis MO 63119). Two wheel hand truck. USP1988104776603.
  28. Hittle, David Christopher. Utility cart. USP200304D473989.
  29. Hohrman,Harlan W.. Welding tank cart system. USP2007097273216.