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특허 상세정보

Auxiliary wheel set (kick-back) adapter for two-wheeled hand truck

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-003/02   
미국특허분류(USC) 280/047.2; 280/047.16; 280/047.18; 280/047.27; 280/047.29; 280/047.33
출원번호 US-0873819 (2004-06-21)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Johnson &
인용정보 피인용 횟수 : 17  인용 특허 : 12
초록

An auxiliary wheel set adapted for aftermarket installation on two-wheeled hand trucks. The apparatus includes a right vertical support and left vertical support, each having a leg portion with an upper section and a lower end, and a shoulder at its upper portion from which an upper arm extends outwardly substantially perpendicular to the leg. Each upper arm terminates in a curved elbow which connects the upper arm to a lower arm which extends inwardly and substantially parallel to the upper arm. A spreader bar is welded between the vertical supports to ...

대표
청구항

What is claimed as invention is: 1. An auxiliary wheel set adapted for aftermarket installation on two-wheeled hand trucks and having a stored position and a deployed position, said apparatus comprising: a right vertical support having a right leg portion with a right upper portion and a right lower end, a right arm portion connected to said right upper portion and extending inwardly and substantially perpendicular to said right leg portion; a left vertical support having a left leg portion with a left upper portion and a left lower end, a left arm port...

이 특허를 인용한 특허 피인용횟수: 17

  1. Del Marmol,Adolfo. Adjustable handcart. USP2009037500682.
  2. Johnson, Delano P.. Apparatus and method of lifting and moving objects. USP2013038387951.
  3. Carlson, Steve; Midas, Thomas; Burgoyne, Jude. Cart. USP201406D707415.
  4. Josephsen, Greg. Convertible cart device. USP20181210160467.
  5. Mitchell, Prenell; Combs, Thomas Darwin; Cook, William Eric; Butrum, Thomas Josef; Dunn, Anthony Lee; Giordano, Bethany Kay; Jackson, Danny Joe; Johnson, Heather Dawn; Devers, Shirley Mae; Rucker, Mark David. Dolly transport systems. USP2014028651500.
  6. Plummer, Allan. Hand truck. USP201407D709664.
  7. McKinnon, Peter Rodney. Handtruck. USP2013108556279.
  8. Colacecchi, Jay W.. Monument transport tool and method. USP2013018360444.
  9. Hauser, Matthew Steven; Keeton, Brian Lee. Mount for suspending and selectively positioning an object. USP2016059328860.
  10. Nobles, Robert Lee. Pole carrying device and method. USP2015099139212.
  11. Zhong, Zhi-Ren. Stroller with assistant wheel. USP2014028657325.
  12. Kopp, Robert G.; Thuma, Michael G.; Vogler, Michael R.. Swivelable and unidirectional platform truck. USP2017059650060.
  13. Kossowsky, Andy. System and method for transporting objects. USP2016059352764.
  14. McKinnon, Peter R.; Taylor, Gerry. Wheel. USP201712D804766.
  15. McKinnon, Peter R.; Taylor, Gerry. Wheel frame. USP2016029248698.
  16. Nassaux, Philippe P.; Raley, Jefferson W.. Wheeled apparatus having multiple wheelbase configurations. USP2013048413999.
  17. Seibert, Robert P.. Wheeled tool caddy apparatus. USP2014128915504.