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특허 상세정보

Convertible hand truck

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-011/00   
미국특허분류(USC) 280/6551 ; 280/4727 ; 280/4728 ; 280/47315
출원번호 US-0230486 (1988-08-10)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 42  인용 특허 : 2
초록

A convertible hand truck including a pivotable handle member which may be stowed or selectively used as an extension of the toe plate when the hand truck is in an upright two-wheeled position, and may serve as the push handle for the hand truck when used in an horizontal four-wheeled position. The pivoting handle member is releasably coupled to the toe plate of the hand truck when in the horizontal position by a bracket which wraps partially around and slides along the handle member and extends between the two opposing upright handle segments. The bracke...

대표
청구항

In a hand truck for use by a user in transporting an article, said hand truck comprising a frame which may be oriented in a generally upright position or a generally horizontal position, said frame having a bottom end, said hand truck having two pair of wheels rotatably mounted to said frame and being carried on one said pair of said wheels when in said upright position and by both said pairs of wheels when in said horizontal position, a toe plate extending generally perpendicularly from said frame adjacent said bottom end, a handle member having a pair ...

이 특허를 인용한 특허 피인용횟수: 42

  1. Gedeon-Janvier, Maxime. Adjustable and collapsible hand truck with lifting apparatus. USP2016049321471.
  2. Hollub, IV, Edmund E.. Apparatus having a hand truck configuration and a tripod configuration. USP2016039278703.
  3. Simpson, Dennis D.; Skubic, Jeff D.; Polk, III, Louis F.; Ness, Jason J.. Cart. USP201308D687614.
  4. Slaton, Robin R.; Killebrew, Allen. Cart. USP201201D652190.
  5. Kazmark ; Jr. Eugene A.. Collapsible cart. USP1999085941543.
  6. Josephsen, Greg. Convertible cart device. USP20181210160467.
  7. Ferree, Jr., Edwin Howard. Convertible hand truck. USP2014098820773.
  8. Meyers, Paul F.; Meyers, Thomas J.. Convertible hand truck. USP2012018100430.
  9. Meyers, Paul F; Meyers, Thomas J. Convertible hand truck. USP2013068465046.
  10. Su, Chung-Hsiu. Convertible hand truck. USP2017069688298.
  11. Inman, Jr., James A.. Durable medical equipment hand truck. USP2004036709222.
  12. Ingalls John T.. Folding hand truck. USP1999105971424.
  13. Gibson, William R. Hand truck. USP201602D749812.
  14. Rodriguez Henry (7066 N. Rodriguez Rd. McNeil AZ 85617). Hand truck for moving large drums. USP1997105678976.
  15. Boettcher, Lloyd. Hand truck table mover. USP2003106637761.
  16. Williamson Gary. Hand truck with load lifting mechanism. USP1999115993134.
  17. Koenig, Larry D.. Hand truck with retracting load shifting lever. USP2005026851685.
  18. Liu, Chi Keung. Handcart. USP2015099126611.
  19. Gibson, William R. Load carrier with mode changer. USP2015089096249.
  20. Gibson, William R. Load carrier with mode changer. USP2015129211894.
  21. Gibson, William R. Load carrier with mode changer. USP20181110118633.
  22. Leyton David L.. Massage table cart. USP2001046217045.
  23. Wang, Wen-Fa. Multi-function cart. USP2017059637149.
  24. Gibson, William R. Multi-mode hand truck. USP2017049616907.
  25. Branch David (605 E. Ponderosa Pkwy. Flagstaff AZ 86001). Multiple purpose transporting device. USP1993115257892.
  26. Stallbaumer, John J.. Multipurpose storage and transport cart. USP2004076758482.
  27. Birk James R. (7100 SW. 139th Oklahoma City OK 73173). Personal material handling system. USP1996115577745.
  28. Sparacino,Ernest. Portable gas container cart. USP2008027325814.
  29. Freese Theodore Brent ; Bengtson Alan David. Stroller. USP199909D414144.
  30. Micoley Scott Howard. Stroller. USP199808D396673.
  31. Freese Theodore Brent ; Bengtson Alan David. Stroller with grip handle. USP1999115988669.
  32. Aalund Mark W. ; Stephens William B. ; Freese Theodore Brent ; Bengtson Alan David ; Nelson Cynthia R. ; Finney Donna K.. Stroller with improved features. USP2000106139046.
  33. Green, Michael. System for increasing dolly capacity. USP20181010086858.
  34. Sadow Bernard D. ; Schwab Jeffrey A.. Towable article of luggage. USP2000036041900.
  35. Sadow Bernard D. ; Schwab Jeffrey A.. Towable carrying case. USP2001106302250.
  36. Sadow Bernard D. ; Schwab Jeffrey A.. Towable carrying case. USP2001026193033.
  37. Burgess, Ricky D.. Transport device. USP2012028123238.
  38. Gillette, Richard A.; Gillette, Thomas A.; Hull, Nathan J.; Hailston, Bruce L.. Versatile hand truck. USP2003056557869.
  39. Durham, Stephen P.. Vertically folding hand truck and methods of its operation and construction. USP2003086601859.
  40. Nassaux, Philippe P.; Raley, Jefferson W.. Wheeled apparatus having multiple wheelbase configurations. USP2013048413999.
  41. Mark J. Mueller. Work tool transporting and support apparatus. USP2002026345829.
  42. Mueller, Mark J.. Work tool transporting and support apparatus. USP2003036530583.