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특허 상세정보

Multi function hand truck

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/04   
미국특허분류(USC) 280/047.18; 280/047.21; 280/047.23; 280/047.26; 280/047.27
출원번호 US-0347939 (2003-01-22)
발명자 / 주소
인용정보 피인용 횟수 : 18  인용 특허 : 18
초록

A multi-function hand truck is convertible to allow lifting of a load at a spaced distance from the truck and/or is convertible for use as a wheelbarrow. A pair of lifting arms co-operate with the frame of the hand truck to extend outwardly therefrom and allow the frame of the hand truck to provide a mechanical advantage for lifting. The wheels of the truck are moveable rearwardly for conversion to a wheelbarrow mode. An open top container is positioned within the frame of the hand truck for receiving material. The multi-function hand truck is efficientl...

대표
청구항

1. A convertible wheelbarrow comprising an elongate frame with a handle arrangement extending from one end of said frame, a movable wheel arrangement pivotally secured to said frame at an end thereof opposite said handle arrangement, an open topped container secured within said frame and extending behind said frame, and a leg support arrangement space rearwardly of said movable wheel arrangement, said leg support arrangement being movable between a storage position with the leg support arrangement being adjacent said container and a load support position...

이 특허에 인용된 특허 (18)

  1. Mortenson Carl N. (Midland MI). Automatically shifting stair climber structure for a repositionable hand truck. USP1991085042827.
  2. Zan Vunshik (P.O. Box 55-1670 Taipei TWX). Barrow having high and low positioned wheels. USP1992115160153.
  3. Hall John R.. Convertible barrow for ground level loading. USP1998095810543.
  4. Fred E. Meabon. Convertible hand dolly and cart. USP2002076419244.
  5. Gradwohl Donald R. (20843 SW. WillapaWay Tualatin OR 97062) Gradwohl Jonald R. (20843 SW. WillapaWay Tualatin OR 97062). Convertible hand truck-wagon. USP1980104227709.
  6. Storay Craig F. (Bellamy Hills Forthside ; Tasmania 7310 AUX) Baldini John A. (Buster Road Melrose ; Tasmania 7310 AUX). Hand Trolley. USP1992065118124.
  7. Gordon Donald J. (Rockwood CAX) Johnson Frank H. (Cambridge CT CAX) Schick George L. (Easton CT) Smart J. David (Cambridge CAX). Hand cart. USP1982074341393.
  8. Gibson Joseph A. ; McNamara James E.. Hand truck. USP1998025716183.
  9. Misawa Rintaro (Tokorozawa JPX). Hand truck. USP1987074681330.
  10. James S. Simpson. Hand truck for moving 3 point hitch equipment. USP2002116474930.
  11. Boettcher, Lloyd. Hand truck table mover. USP2003106637761.
  12. Kelley Earnest. Handy carrier. USP2000046053515.
  13. Kielinski Thomas P.. Lifting and moving apparatus. USP2000056059512.
  14. Chateauneuf Robert (534 Mercier St. Jean sur Richelieu ; Qubec CAX J3B 6J6) Chateauneuf Guy (465 Mgr Langis ; Apt. 705 Rimouski ; Quebec CAX). Multi purpose transport cart. USP1986024570961.
  15. Mortenson Carl N. (Midland MI). Repositionable hand truck. USP1988084762333.
  16. Irwin Lawrence F.. Transport dolly for lifting and transporting lavatory fixtures. USP2000106135466.
  17. Butzen Michael J.. Two-wheeled dolly for moving heavy objects. USP1998045738480.
  18. Watanabe Yoshihisa (Mie JPX). Wheelbarrow. USP1997025601298.

이 특허를 인용한 특허 피인용횟수: 18

  1. Darling, III, Charles W.. Cart transportable mobile medical critical care point of need field installation units. USP2013088505959.
  2. Tiramani,Paolo; Blass,Samvit; Courter,Adam. Collapsible multifunction apparatus. USP2008027331596.
  3. Meyers, Paul F.; Meyers, Thomas J.. Convertible hand truck. USP2012018100430.
  4. Meyers, Paul F; Meyers, Thomas J. Convertible hand truck. USP2013068465046.
  5. Gibson, William R. Hand truck. USP201602D749812.
  6. Gray, Rickie L.. Hunter's travois two-wheeled cart. USP201205D661042.
  7. Gibson, William R. Load carrier with mode changer. USP2015089096249.
  8. Gibson, William R. Load carrier with mode changer. USP2015129211894.
  9. Gibson, William R. Load carrier with mode changer. USP20181110118633.
  10. Darling, III, Charles W.. Mission adaptable portable cart/utility table arrangement. USP2013018348301.
  11. Darling, III,Charles W.. Mission adaptable portable cart/utility table arrangement. USP2008077392994.
  12. Gibson, William R. Multi-mode hand truck. USP2017049616907.
  13. Cooper, Dale. Transport device frame assembly. USP2013108544874.
  14. Cooper, Dale. Transport device removable bucket. USP201211D671704.
  15. Volin, Dee. Unique five-device-in-one system comprising wheelbarrow, wheel harvest-bag trash-bag caddy, wheel tool-refreshment caddy, dump truck, and hand truck. USP2013098534682.
  16. Byers, Thomas L.. Water transfer system for a bottled water dispenser. USP2010037669738.
  17. Sopuch, Michael Dominic. Wheeled armored structure. USP201506D733387.
  18. Darling, III, Charles W.. Wholly portable, modular, expandable, medical critical care field installation system. USP2010087766365.