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Improvements in hand trucks with pivotally connected, spreadable, wheel-supported, auxiliary support frames

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-003/02   
미국특허분류(USC) 280/472 ; 280/641
출원번호 US-0839857 (1992-02-21)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 35  인용 특허 : 0
초록
▼

A hand truck with an upright main frame and a handle part at its upper end has a forwardly extending nose at its lower end for supporting a load thereon which rests back against the main frame when the main frame is in vertically rearwardly tilted position, and a wheel and axle assembly at its lower end to support it for travel. An auxiliary support frame, having a ground engaging wheel at its lower end is pivotally connected near its upper end to the main frame for movement from the main frame to a spread position. A rearwardly extendible first link str...

대표
청구항
▼

In a hand propelled, load carrying hand truck: a. an upright main frame, including brace-connected side rails, with a handle part at its upper end and a wheel and axle assembly at its lower end to support it for travel; b. a forwardly extending nose platform for the lower end of the main frame for supporting a load thereon which rests back against the main frame when the main frame is in vertically rearwardly tilted position; c. an attachment frame, having at least one ground engaging member at its lower end, pivotally connected near its upper end to an ...

이 특허를 인용한 특허 피인용횟수: 35

  1. Gedeon-Janvier, Maxime. Adjustable and collapsible hand truck with lifting apparatus. USP2016049321471.
  2. Kane,Gregory. Auxiliary wheel set (kick-back) adapter for two-wheeled hand truck. USP2006087083174.
  3. Frahm, Jeffry R. Brake release handle. USP201712D805004.
  4. Chieh-Chiung Chen TW. Collapsible handle for a portable luggage. USP2002026345414.
  5. Belotti, John; Romo, Mark A.; Ecker, Greg; Gage, James; Guoan, Christopher J; Shellenbarger, Stuart J. Collapsible pallet picking adapter. USP2016109457999.
  6. Richard Hugh Mitzman GB. Collapsible pushchair. USP2002036357784.
  7. Meyers, Paul F; Meyers, Thomas J. Convertible hand truck. USP2013068465046.
  8. Su, Chung-Hsiu. Convertible hand truck. USP2017069688298.
  9. Mitchell, Prenell; Combs, Thomas Darwin; Cook, William Eric; Butrum, Thomas Josef; Dunn, Anthony Lee; Giordano, Bethany Kay; Jackson, Danny Joe; Johnson, Heather Dawn; Devers, Shirley Mae; Rucker, Mark David. Dolly transport systems. USP2014028651500.
  10. Rust Matthew H. ; Jacobs Richard H.. Foldable compact molded stroller and trailer with flexible hitch. USP2000056056306.
  11. Jacobs Richard H. (Brighton MN). Foldable convertible trailer and jogging stroller for two children. USP199705D379333.
  12. Eyman David W. ; Kelley Jennifer A. ; Schmidlin Thomas J.. Folding child stroller and frame carrier. USP2000126155579.
  13. Frank E. Ciccone. Hand truck. USP2002016341788.
  14. Gibson, William R. Hand truck. USP201602D749812.
  15. Plummer, Allan. Hand truck. USP201407D709664.
  16. Prapavat Vuthisit. Hand truck. USP2001086273438.
  17. Latshaw Ricky J.. Large recreational equipment luggage transport system and method of transporting same. USP2000126164425.
  18. Bussinger, Allen. Lateral stability wheel. USP201705D786741.
  19. Nellis, LeRoy William. Lifting and telescoping dolly. USP2005086929443.
  20. Gibson, William R. Load carrier with mode changer. USP2015089096249.
  21. Gibson, William R. Load carrier with mode changer. USP2015129211894.
  22. Gibson, William R. Load carrier with mode changer. USP20181110118633.
  23. Huang Shih-Lung,TWX. Luggage carrier. USP1998085788260.
  24. Bussinger, Allen Louis; Schultz, Jeremiah Vincent. Material handling cart. USP201710D800410.
  25. Colacecchi, Jay W.. Monument transport tool and method. USP2013018360444.
  26. Gibson, William R. Multi-mode hand truck. USP2017049616907.
  27. Moran, Michael J.; Halbert, Brad A.; Hickman, David A.. Pallet truck with integrated half-size pallet support. USP2017129840350.
  28. Chambers,Steven J.. Powered hand truck. USP2007017163213.
  29. Miranda Eduardo E.. Removable stepwise adjustable dolly support adjustable to fit various dollies. USP1998095810373.
  30. Abraham J. Richard ; Tiramani Paolo M. B. ; Bozak John A.. Roller mechanism for container or cart. USP1999115984326.
  31. J Richard Abraham ; Paolo M. B. Tiramani ; John A. Bozak. Roller mechanism for container or cart. USP2002096446987.
  32. Eyman David (Cincinnati OH) Schmidlin Thomas J. (Newport KY). Six wheel stroller. USP199707D381297.
  33. Nassaux, Philippe P.; Raley, Jefferson W.. Wheeled apparatus having multiple wheelbase configurations. USP2013048413999.
  34. Paolo M. B. Tiramani ; John A. Bozak. Wheeled luggage and associated devices. USP2002126497311.
  35. Tiramani, Paolo M. B.; Bozak, John A.. Wheeled luggage and associated devices. USP2004106802409.

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