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특허 상세정보

Utility cart

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-003/02   
미국특허분류(USC) 280/035; 280/030; 280/659
출원번호 US-0084970 (2005-03-21)
등록번호 US-7441783 (2008-10-28)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    McMahon,John C.
인용정보 피인용 횟수 : 7  인용 특허 : 21

An easily adjustable cart for transporting loads short distances having a moving bed that is moveable from between upper and lower levels and is mounted on a telescoping frame. The frame extends longitudinally to allow a user to install front and rear trestles in order to raise the bed from the lower level to the upper level and alter the configuration of the cart in order to accommodate loads of varying shapes and sizes. The frame includes a lower support for a handle that prevents bowing when the frame is subjected to heavy loads.


What is claimed and desired to be secured by Letters Patent is: 1. A size variable cart comprising: a) a frame with ground engaging wheels; the frame telescoping between a front and a rear of the cart to allow adjustment of the front to rear length thereof; b) a rigid bed of integral one piece construction that has a load bearing surface; said bed having first and second configurations with respect to the frame; in the first configuration said bed includes a lower first set of projections that are received in a cooperating first set of receivers on a fr...

이 특허에 인용된 특허 (21)

  1. Chang Seth (No. 334 ; Tung-Jung Rd. Hsi-Jung Tsun ; Ta-Li Hsiang ; Taichung Hsien TWX). Adjustable mobile base. USP1994045299817.
  2. Yemini Zvi,ILX. Barrier for expanding capacity of a wheelbarrow. USP2001046213482.
  3. Crowell Stacey Lee. Beach cart. USP1999015857695.
  4. McCoy Stephen T. (Missouri City TX) Clark ; Jr. Jack G. (Houston TX). Cart. USP199406D348132.
  5. Simjian Luther G. (Fort Lauderdale FL). Cart with foldable side panels. USP1989124887836.
  6. Tonelli Roger (Elmwood Park IL). Coaster wagon with anti-tipping features. USP1988054744575.
  7. Morrissette Roger J. (265 N. Woodstock Rd. Southbridge MA 01550). Collapsible cart. USP1987014635956.
  8. Nelson Dale W. (375 N. 400 East Orem UT 84057). Combination cart. USP1979084165088.
  9. Liu Cheng-Chia (No.10 ; Sung-Chiang N. Rd. Chung-Li City TWX). Combination shelving. USP1997125695205.
  10. Plante Jean-Paul (Rang 11 St Ephrem Co. Beauce Quebec CAX). Hand truck. USP1985044512591.
  11. vom Braucke Hans (Vlotho DEX) vom Braucke Manfred (Bielefeld DEX) Westerwelle Dieter (Bielefeld DEX). Hand-pulled wagon having removable front, side and rear walls. USP1996065529323.
  12. Kirkendall Vern S. (783 Portal Dr. Chico CA 95926). Low-bed service cart. USP1989014796909.
  13. Flowers Henry C. (19032 W. Davison Detroit MI 48223). Multi-function cart. USP1993025186479.
  14. Flowers Henry C. (19032 W. Davison Detroit MI 48223). Multi-function cart. USP1994045299826.
  15. McCoy Stephen T. (Missouri City TX) Clark ; Jr. Jack G. (Houston TX). Size variable cart. USP1993105249823.
  16. Hsieh Hung-Ching,TWX ; Hsieh Yung-Shun,TWX. Stretchable and foldable cart. USP1998105816604.
  17. Finneyfrock David N. (18630 Keedysville Rd. Keedysville MD 21756). Tip over resistant, debris retaining omni directionally mobilized rack for wood logs. USP1994015280933.
  18. Karashima Masashi (88-5 Nakano ; Ebina-shi ; Kanagawa-ken JPX). Trolley. USP1986114620637.
  19. Cox Lem L.. Utility wagon. USP2000086109644.
  20. Frymoyer Jeffrey L.. Wheeled buoyant decoy transporting device. USP2001126325395.
  21. Hodges Douglas (672 W. 12th St. San Pedro CA 90731). Work dolly having adjustable height, width and length. USP1997025599031.