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특허 상세정보

Wheelbarrow construction

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/18    B62B-001/24    B62B-003/12   
미국특허분류(USC) 280/472 ; 280/4731 ; 280/4734 ; 280/62
출원번호 US-0078136 (1987-07-27)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 30  인용 특허 : 0
초록

An improved wheelbarrow construction (10) comprising: a receptacle unit (11); a forward wheel assembly (12); a main load support unit (13) having adjustable handle means (14); a rear wheel trailer unit (15) operatively connected to the main load support unit (13); and an automatic brake unit (16) and brake override means (17) interposed between said main load support unit (13) and said rear wheel trailer unit (15).

대표
청구항

An improved wheelbarrow construction comprising: a receptacle unit including an enlarged receptacle body; a main load support unit operatively connected to said receptacle unit, and a first frame member having a pair of rearwardly extending support arms each provided with adjustable handle means; a forward wheel assembly operatively connected to said main support unit; a rear wheel trailer unit comprising a second frame member pivotally secured on one end to the main load support unit and provided on the other end with a pair of wheel assemblies; wherein...

이 특허를 인용한 특허 피인용횟수: 30

  1. Swift,Edgar Leon. "On" biased braking system for a cargo portage device. USP2006016983827.
  2. Todd R Eicher. Adapter apparatus for assisting transportation of a wheel barrow. USP2002056390496.
  3. Rohrs Donald Paul. Adjustable wheelbarrow system. USP2000086099025.
  4. Schneider,Douglas E.; Harris,Anthony Todd. Convertible cart. USP200809D577475.
  5. Schneider,Douglas E.; Harris,Anthony Todd. Convertible wheelbarrow. USP200812D582622.
  6. Valois Charles S.. Device, including a freely, pivotable, impact absorbing swing arm for trenching and the like and method. USP2000106125943.
  7. Hickenbottom, Ronald. Dump cart. USP200912D606565.
  8. DiLorenzo, Sr., Ronald Louis. Heavy duty wheelbarrow. USP2012078231132.
  9. Vandelinde, Gary. Motorized load assistance for wheelbarrows. USP2015048997903.
  10. Uyehara Edward M. (218 N. Quebec St. San Mateo CA 94401) Geneza ; Jr. Primitivo A. (1396 Xavier Ave. Hayward CA 94545). Motorized wheelbarrow. USP199504D357101.
  11. Franklin Sanchez Intengan. Pin drive wheelbarrow. USP2002096446989.
  12. Gündogan, Birol. Running gear. USP20190110189492.
  13. Hopkins, John; Cunningham, Thomas. Self leveling mop bucket cart. USP2011027878514.
  14. Simmons, Gregory Carter; Dawson, Tyler Rufus. Shoveling hand cart apparatus. USP2003026523839.
  15. Price, Jr., Lucky W.. Special big 4 wheeler wheel barrow. USP2010127845654.
  16. Erickson, Thomas E. Steerable wheelbarrow. USP2013108550490.
  17. Erikson, Thomas L.. Steerable wheelbarrow. USP2015038985620.
  18. Beaudoin,Michel. Steering mechanism for wheelbarrow. USP2008017316413.
  19. Buttimer, Tony. Utility cart for transport of payloads. USP20180810053126.
  20. Albert, Barry; Mullen, Joshua O.. Utility cart frame assembly and undercarriage interface. USP2014108851486.
  21. Boon,Yeo Seng. Wheelbarrow. USP200608D527157.
  22. Burbank Daniel P. (P.O. Box 227 Ben Berry Rd. Moultonborough NH 03254). Wheelbarrow braking system. USP1997115690191.
  23. Wannamaker David D. (Rte. 2 ; Box 257 D St. Matthews SC 29135). Wheelbarrow conversion kit. USP1991075031926.
  24. Bell, Thomas L.. Wheelbarrow conversion kit and cart. USP2016039296404.
  25. Daniel P. Burbank ; Randy Oliver. Wheelbarrow disk brake assembly. USP2002096443267.
  26. Hoffarth Richard L. ; Hoffarth Mark J.. Wheelbarrow handles. USP1998095810375.
  27. Garcia Guadalupe. Wheelbarrow rear wheel system. USP2001046220622.
  28. Black,Charles. Wheelbarrow stand with tilt leveling mechanism. USP2008047354059.
  29. Lovmark,August Otto. Wheelbarrow with self-braking mechanism. USP2008077396027.
  30. Schneider,Douglas E.; Harris,Anthony Todd. Zero turn cart. USP200809D577174.