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특허 상세정보

Convertible hand truck

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-003/02   
미국특허분류(USC) 280/651; 280/030
출원번호 US-0356283 (2012-01-23)
등록번호 US-8465046 (2013-06-18)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Barnes & Thornburg LLP
인용정보 피인용 횟수 : 11  인용 특허 : 21
초록

A multi-mode hand truck is convertible to assume a hand-truck mode, a reclined load-assist mode, and a push-cart mode.

대표
청구항

1. A multi-mode hand truck comprising a push cart including a load carrier, a carrier wheel unit coupled to the load carrier at a lower end of the load carrier, and an outrigger wheel unit associated with the load carrier and arranged to lie in spaced-apart relation to the carrier wheel unit,a base pusher coupled to the load carrier, the base pusher includes a push handle coupled to the load carrier for movement relative to the load carrier and a pivotable push-handle support link coupled to the load carrier for pivotable movement about a carrier pivot a...

이 특허에 인용된 특허 (21)

  1. Meier James W.. Brake and retractable rear stabilizer apparatus for a hand dolly. USP1998075779251.
  2. Leimgruber John (4822 Seventh Ave. Temple PA 19560). Carriage device. USP1987044659096.
  3. Tornabene, Dean; Babkes, Mitchell H.; Howell, Henry J.. Combination hand truck, step ladder and dolly. USP2005046880835.
  4. Miller Walter A. (5687 Pleasant Ave. Northridgeville OH 44039). Convertible bulk hand truck and table top. USP1996075536034.
  5. Fred E. Meabon. Convertible hand dolly and cart. USP2002076419244.
  6. Schoberg Carl J. (Zumbro Falls MN). Convertible hand truck. USP1990054921270.
  7. Gradwohl Donald R. (20843 SW. WillapaWay Tualatin OR 97062) Gradwohl Jonald R. (20843 SW. WillapaWay Tualatin OR 97062). Convertible hand truck-wagon. USP1980104227709.
  8. Dahl Gary-Michael (8300 Sands Point Dr. #903 Houston TX 77036). Convertible transport cart. USP1995125476282.
  9. Stallbaumer John J. ; Rahn Robert D.. Dual hand truck. USP2001106308967.
  10. Bonnier Michel,FRX ; Bonnier Georges,FRX ; Taillard Andre,FRX. Folding assembly for the support or transportation of a person. USP1998015709400.
  11. Misawa Rintaro (Tokorozawa JPX). Hand truck. USP1987074681330.
  12. Prapavat Vuthisit. Hand truck. USP2001086273438.
  13. Stahler ; Sr. Richard D.. Hand truck convertible to a cart. USP2001126328319.
  14. Kelley Earnest. Handy carrier. USP2000046053515.
  15. Mortenson Carl N. (Midland MI). Improvements in hand trucks with pivotally connected, spreadable, wheel-supported, auxiliary support frames. USP1993055207439.
  16. Celli, Giuliano. Multi function hand truck. USP2005096945545.
  17. Celli,Giuliano. Multi function hand truck. USP2007017168712.
  18. Alessio, Lorenzo E.. Multipurpose hand truck with movable wheels. USP1985124561674.
  19. Miranda Eduardo E.. Removable stepwise adjustable dolly support adjustable to fit various dollies. USP1998095810373.
  20. Richard D. Stahler, Sr.. Three-position hand truck using multiple locking mechanisms and/or a combination connecting member and channel. USP2002046364328.
  21. Geschwender Robert C. (Lincoln NE). Utility cart. USP1982114358124.