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특허 상세정보

Collapsible wheelbarrow

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/00   
미국특허분류(USC) 280/653; 280/04731
출원번호 US-0805685 (2004-03-19)
등록번호 US7866686 (2010-12-28)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Eckert Seamans Cherin & Mellott, LLC
인용정보 피인용 횟수 : 14  인용 특허 : 31
초록

A collapsible wheelbarrow includes a rigid front bracket, a wheel rotatably secured to the front bracket, and first and second handle arms pivotably attached to the front bracket. The first and second handle arms are laterally pivotable about first and second pivot axes respectively. The first and second pivot axes are each spaced apart from the axis of rotation of the wheel. Preferably a clamping device removably applies a clamping force between the first and second handle arms and clamps a rigid tray between the first and second handle arms. The tray i...

대표
청구항

What is claimed is: 1. A wheelbarrow comprising, in combination:a rigid front bracket;a wheel rotatably secured to the front bracket and rotatable about a horizontally, laterally extending axis of rotation;first and second handle arms pivotably attached to the front bracket;a rigid tray; anda clamping device extending between the first and second handle arms and removably applying a laterally-extending clamping force between the first and second handle arms to move the first and second handle arms relative to one another in a lateral direction and clamp ...

이 특허에 인용된 특허 (31)

  1. McMurdo Ian R. W. (3 Fordham Court Ballajura ; WA ; 6066 AUX). Add-on wheelbarrow handle. USP199509D362100.
  2. Rohrs Donald Paul. Adjustable wheelbarrow system. USP2000086099025.
  3. Donze Pierre (“Clos Varegues”St. Andrieux 76930 Octeville/Mer FRX) Frank Jean P. (3 rue des Songes 68850 Staffelfelden FRX). Balanced multi-wheel wheelbarrow. USP1991065026079.
  4. James Cleve ; James Roger. Big game gurney. USP2000126161850.
  5. Allsop, James D.; Clausen, Eivind; Highlander, Charles D.. Collapsible wheelbarrow. USP2004076764093.
  6. Filas Leon G. (9008 Evergreen Wonder Lake IL 60097). Collapsible wheelbarrow. USP1983084401313.
  7. Groleau Rodney J. (1753 Apache Pass Traverse City MI 49684). Collapsible wheelbarrow. USP1995075433462.
  8. King David H. (‘Greenways’ ; Brick Kiln Lane Suffield ; Norwich ; Norfolk GB2). Collapsible wheelbarrow. USP1988114781396.
  9. McEnteggart Kevin P.,GBX. Collapsible wheelbarrow. USP2001126328331.
  10. Mroczka David E. ; Mroczka Edward J.. Collapsible wheelbarrow/stretcher. USP1998095806878.
  11. Aielli Michael. Configurable horizontal dolly and method of manufacture. USP2001026186523.
  12. Warren D. Graff ; Steve A. Cirucci ; William W. McCormick. Curved handle adapted for attachment to a wheelbarrow or the like, and a method of manufacturing the same. USP2002016336254.
  13. Magyar David J. (6524 Hamden Rd. Parma Hts. OH 44130). Fold-up wheelbarrow. USP1993065222757.
  14. Magyar David J. (6524 Hamden Rd. Parma Hts. OH 44130). Fold-up wheelbarrow. USP199307D337192.
  15. Pharaoh Anthony P. (42 Trevor Rd. ; Rondebosch East 770C Cape Town ; Cape Province ZAX). Foldable wheelbarrow. USP1994125372376.
  16. Van Der Storm Eric L. (Zandvoort NLX). Foldable wheelbarrow. USP199609D373878.
  17. Ambrogio Patrick (323 Kramer Ave. Staten Island NY 10309). Folding wheelbarrow. USP1997035607174.
  18. Leger David Earl,CAX ; McDonald Mark Chesley,CAX ; Roberts David,CAX. Folding wheelbarrow. USP2000016017053.
  19. Leger David Earl,CAX ; McDonald Mark Chesley,CAX ; Roberts David,CAX. Folding wheelbarrow. USP1999065908202.
  20. O'Brian ; Edward D. ; Plachy ; William M.. Folding wheelbarrows. USP1978084109933.
  21. Vittone Larry W. (309 Hannah Dr. Oliver Springs TN 37840). Hand grip for a wheelbarrow. USP1990084951956.
  22. Godwin Marvin C. (Rte. 1 ; Box 965 ; CC ; Howard St. Niceville FL 32578). Lifting handle attachment for wheelbarrows. USP1992105153966.
  23. Porter Lynn L. (R.F.D. 1 ; Box 1802 Bangor ME 04401). Multipurpose barrow vehicle. USP1988124789171.
  24. Watanabe Yoshihisa (Mie JPX). Wheelbarrow. USP1997025601298.
  25. Weber Tory,CAXITX T1K 6V5. Wheelbarrow handle. USP2000106125512.
  26. Cacciacarne, Ernest D.. Wheelbarrow handle adapter. USP2003046550104.
  27. Overcash Rufus B. ; Overcash Louisa C.. Wheelbarrow handle extension. USP1998085794307.
  28. Hadley Jeffery R. ; Rabinowitz Natalie R.. Wheelbarrow handle grip. USP199804D393514.
  29. Hoffarth Richard L. ; Hoffarth Mark J.. Wheelbarrow handles. USP1998095810375.
  30. Mosley Keith A.. Wheelbarrow with integrated trailering and dumping capabilities. USP1999065915706.
  31. Primeau Mario (8710 Marjolaine Ville St. Leonard ; Quebec CAX H1R 2H6). Wheelbarrow with pivoted handles. USP1984094471996.