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특허 상세정보

Easy dumping cart

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/24   
미국특허분류(USC) 280/047.31; 280/047.32; 298/003
출원번호 US-0348679 (2003-01-22)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Weiss &
인용정보 피인용 횟수 : 21  인용 특허 : 10
초록

The use of a pivotal coupling on a cart of the wheelbarrow type allows for a downwardly applied pressure to the user ends of the handles to tip the bucket to at least begin the dumping action of the cart. Following the initial downward pressure with the handles still elevationally displaced downward an upward lift applied to the user ends of the handles completes the dumping action of the cart. Use of multiple pivotal axises on the cart provide for an extremely efficient operation. Various enhancements are explained including locking of the orientation o...

대표
청구항

1. A method for a user to dump a cart comprising the steps of:a) providing the cart with:1) a handle assembly having a user manipulation end for manipulation by the user, the handle assembly having a standard position;2) a ground support wheel;3) a ground contacting assembly;4) a bucket attached relative to the ground support wheel, the bucket having a rearward extremity and a forward extremity;5) locking means to provide for locking the handle assembly relative to the bucket in a leveraged position;b) positioning the cart in a starting position with the...

이 특허를 인용한 특허 피인용횟수: 21

  1. Tomchak,Michael J.; Albert,Barry R.; Lupey,Mike. Collapsible wheelbarrow and associated method. USP2006016991251.
  2. Shapiro,Richard N.. Compact wheelbarrow and cart assembly, shipping and display methods including hitch and trailing conversions. USP2007067226072.
  3. Dechant, Todd Francis. Convertible cart assembly. USP20180810046782.
  4. Zimmerman, Felton. Easy dumping cart. USP2010087775531.
  5. Zimmerman,Felton. Easy dumping cart. USP2007117296807.
  6. Lee, Eddie. Frame for wheelbarrow. USP201802D809732.
  7. Blume, Christopher Edward. Kneeling wheelbarrow. USP2015109156487.
  8. Davis,Larry E.. Locking leveling support legs for wheelbarrow. USP2006127147234.
  9. Meyer, Mathew D.; Beard, Bryan. Method and apparatus for wheelbarrow front end protection. USP20181110124820.
  10. Capers, Jr.,Seth Murph; Capers,Seth Murphy. Self-leveling wheelbarrow. USP2008077398980.
  11. Capers, Jr.,Seth Murph; Capers,Seth Murphy. Self-leveling wheelbarrow. USP2006117134676.
  12. Cooper, Dale. Transport device frame assembly. USP2013108544874.
  13. Romas, Brian; Lynn, John. Two-wheeled transporter with an assisted lift dumping barrow. USP2016109463730.
  14. Buttimer, Tony. Utility cart for transport of payloads. USP20180810053126.
  15. Morris, Richard J.. Wheelbarrow. USP2009067547026.
  16. Stevens, George W.. Wheelbarrow configuration. USP2014038668210.
  17. Frenkel, Moises Sheinberg. Wheelbarrow lateral support. USP2014108857826.
  18. Frenkel, Moises Sheinberg. Wheelbarrow tie rod. USP2015048998221.
  19. Romas, Brian; Lynn, John. Wheelbarrow with an assisted lift dumping barrow. USP2016029248850.
  20. Gonzalez,Jason. Wheelbarrow with retractable configuration. USP2008027334803.
  21. Lovmark,August Otto. Wheelbarrow with self-braking mechanism. USP2008077396027.