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특허 상세정보

Wheelbarrow

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62D-051/04   
미국특허분류(USC) 180/193 ; 180/652 ; 180/211 ; 180/215
출원번호 US-0104533 (1993-08-11)
발명자 / 주소
인용정보 피인용 횟수 : 32  인용 특허 : 0
초록

A motorized wheelbarrow with an off-center pivoting Load bucket makes unloading the wheelbarrow easy and quick. The pivot point underneath the bucket is located between a center point of the bottom of the load bucket and a back end of the bucket defined as the end closest to the human operator. A latch holds the bucket in a normal position in which the same is horizontally disposed. Upon release of the latch, since the pivot of the bucket is off-center, gravity will force the bucket to pivot forward into a dumping position, thereby emptying the contents ...

대표
청구항

A new and improved wheelbarrow comprised of: a handle frame bar defining a straight handle, and a left handle frame bar side and right handle frame bar side; a bucket pivotally coupled to said handle frame bar by a tilting mechanism, said tilting mechanism comprising a left handle frame bar pivot set-back plate fixedly secured to said left handle frame bar side, a right handle frame bar pivot set-back plate fixedly secured to said right handle frame bar side, a left bucket bottom pivot set-back plate secured to said bucket in an off-centered manner and p...

이 특허를 인용한 특허 피인용횟수: 32

  1. Ducharme,Robert O.. Adaptable transport. USP2006037017998.
  2. Berginc, Paul. Adjustable wheelbarrow chair. USP2013018356823.
  3. Pieschel, Frank; Jantschek, Robert J.; Simpson, Dennis; Skubic, Jeff. Articulated utility cart. USP2011027887141.
  4. Freedman,Rashell. Automated canopy positioning system. USP2008087407178.
  5. Simpson, Dennis D.; Skubic, Jeff D.; Polk, III, Louis F.; Ness, Jason J.. Cart. USP201308D687614.
  6. Pieschel, Frank. Dumping utility cart. USP2005026851756.
  7. Pieschel,Frank; Stewart,Craig L.. Dumping utility cart. USP2008067390065.
  8. Zimmerman, Felton. Easy dumping cart. USP2005056886838.
  9. Zimmerman, Felton. Easy dumping cart. USP2010087775531.
  10. Zimmerman,Felton. Easy dumping cart. USP2007117296807.
  11. Sueshige Hiroshi,JPX ; Yamamoto Masayuki,JPX ; Ono Naotoshi,JPX ; Yoneyama Tadayuki,JPX ; Miyazaki Atsushi,JPX ; Fukuzumi Yasumi,JPX ; Yamamoto Yasunori,JPX ; Sakamoto Hideyuki,JPX. Electromotive cart. USP2000106129166.
  12. Pieschel, Frank; Stewart, Craig L.; Simpson, Dennis; Skubic, Jeff. Method of making a dumping utility cart. USP2010107818865.
  13. Rowlands, Terry Charles. Motorised wheelbarrow. USP2015089108690.
  14. Roach Sidney Vinson. Motorized utility cart with hopper dumping mechanism. USP2001076257358.
  15. Michel, Jr., Charles J.. Power assist wheelbarrow. USP2015099120499.
  16. Dombek Gregory S. ; Jansen Steven E. ; Bengtson Alan D.. Power buggy. USP199905D410313.
  17. Wyse, Steven J.; Johnston, Brent A.. Powered cart. USP201603D752834.
  18. Wyse, Steven J.; Johnston, Brent A.. Powered wagon. USP201603D752307.
  19. Simons, Beverly Ann; Simons, Roger Larry. Powered wheel assembly. USP2004066745859.
  20. Wyse, Steven J.; Johnston, Brent A.. Powered wheelbarrow. USP201603D752835.
  21. Price, Jr., Lucky W.. Special big 4 wheeler wheel barrow. USP2010127845654.
  22. Jon Vondenhuevel ; David Davis. Tilt rack apparatus. USP2002046379097.
  23. Jarvis, Charles Dwight. Transport system. USP2013058444166.
  24. Jarvis, Charles Dwight. Transport system. USP2017049623778.
  25. Jarvis, Charles Dwight. Transport system. USP2016059327747.
  26. Romas, Brian; Lynn, John. Two-wheeled transporter with an assisted lift dumping barrow. USP2016109463730.
  27. Havlovitz Paul M. (Escondido CA). Utility cart. USP1997125692761.
  28. Buttimer, Tony. Utility cart for transport of payloads. USP20180810053126.
  29. Morris, Richard J.. Wheelbarrow. USP2009067547026.
  30. Stevens, George W.. Wheelbarrow configuration. USP2014038668210.
  31. Romas, Brian; Lynn, John. Wheelbarrow with an assisted lift dumping barrow. USP2016029248850.
  32. John D. Schaefer, III. Wheelbarrow with selective auxiliary electric power assist. USP200208D461613.