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특허 상세정보

Locking leveling support legs for wheelbarrow

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/18    B62B-001/00   
미국특허분류(USC) 280/047.31; 280/047.33; 280/047.131
출원번호 US-0825248 (2004-04-15)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 5  인용 특허 : 17
초록

An improved leg means providing leveling support for a wheelbarrow resting on un-level ground. As wheelbarrow is lowered to resting position, a center pivoting cradle leg member having left and right leg-feet portions depending downward and laterally outward from under each side of wheelbarrow undercarriage touchable to ground. The cradle leg member is supported by an axle passing through a vertical elongated slot in a yoke member than passing through the cradle leg member center between left and right feet portions. The slotted yoke member is affixed on...

대표
청구항

What is claimed: 1. A wheelbarrow including a cargo tub portion and undercarriage elongate handles supporting the tub portion; comprising: a leveling self-locking leg support mechanism, a cupped yoke adapted to support a cradle leg member; said cupped yoke comprising vertically oriented spaced apart front and rear flange walls, a connecting floor, and at least one elongate vertical slot disposed along a center face of at least one of said yoke flange walls; a permanently stationary pin adapted to lock said cradle leg member, wherein said pin is located ...

이 특허에 인용된 특허 (17)

  1. Rohrs Donald Paul. Adjustable wheelbarrow system. USP2000086099025.
  2. Ortez, G. Steven. Auxiliary wheeled frame for wheelbarrows. USP2003016508478.
  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. Donze Pierre (“Clos Varegues”St. Andrieux 76930 Octeville/Mer FRX) Frank Jean P. (3 rue des Songes 68850 Staffelfelden FRX). Balanced multi-wheel wheelbarrow. USP1992095149116.
  5. Tomchak, Michael J.; Albert, Barry R.; Lupey, Mike. Collapsible wheelbarrow. USP2005086923469.
  6. Messinger-Rapport, Kenneth H.. Combined device for a frontally hinged wheelbarrow and gardening cart. USP2004066755478.
  7. Dickson Robert D.. Double wheelbarrow. USP199901D404534.
  8. Zimmerman, Felton. Easy dumping cart. USP2005056886838.
  9. Hillbohm Lars (rvgen 6 S-814 93 Skutskr SEX). Motorized wheelbarrow. USP1996025489000.
  10. Hoover Terry A. (5047 Willie Rd. Orangeburg SC 29115). Motorized wheelbarrow. USP1995115465801.
  11. Franklin Sanchez Intengan. Pin drive wheelbarrow. USP2002096446989.
  12. Scott, James; Scott, Marilyn; Maio, Kenneth; Sturm, Mark. Rollbar support unit. USP2003046554301.
  13. Plevka Dean A. (332 Mill Pond Rd. Lake Wylie SC 29710). Storage attachments for wheelbarrows. USP1997115687979.
  14. Lim, Fong Kan. Three wheeled wheelbarrow with handle adaptor. USP2005046880852.
  15. Piacentini Giovanni (Jonasborgsvgen 36 S-723 41 Vsters SEX). Wheel support structure for a cart. USP1992045106113.
  16. Bisaillon Gerard J.,CAX ; Bisaillon Rolland,CAX. Wheelbarrow. USP1999075924708.
  17. Feick, William Kurt. Wheelbarrow bumper. USP2005066908088.