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특허 상세정보

Adjustable and collapsible hand truck with lifting apparatus

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/04    B62B-001/00    B62B-001/12   
출원번호 US-0470199 (2014-08-27)
등록번호 US-9321471 (2016-04-26)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Koba, Wendy W.
인용정보 피인용 횟수 : 6  인용 특허 : 27
초록

A hand truck is designed to include three separate frame components: (1) a main component, which is defined as a conventional hand truck frame; (2) a pivoting frame component connected along one end termination of the main frame via a hinge (allowing for the pivoting frame to be raised with respect to the main frame component and create a platform at a raised elevation); and (3) a back frame component that is connected to a rear portion of the main frame and may be extended to allow for the frame to have a four-point (i.e., “four-wheeled”) configuration....

대표
청구항

1. A hand truck for transporting loads, comprising: a main frame, including a pair of primary wheels attached to a lower end termination and a handle attached to an upper end termination;a back frame, rotatably attached to a rear portion of the main frame along a first hinge member, the back frame including a pair of secondary wheels attached to a lower end termination, the back frame for moving between a closed position when in contact with the main frame and an open position as controlled by the first hinge member; anda pivoting frame, rotatably attach...

이 특허에 인용된 특허 (27)

  1. Starita Michael S. (16 Deerfield Ct. Basking Ridge NJ 07920) Starita Joseph M. (13 Beverly Dr. Belle Mead NJ 08502). Cart for equestrian equipment and supplies. USP1995125474312.
  2. Katz, Amir. Collapsible clamping work table. USP2009097588255.
  3. Tornabene, Dean; Babkes, Mitchell H.; Howell, Henry J.. Combination hand truck, step ladder and dolly. USP2005046880835.
  4. Lewallen Charles D. (Rte. 2 ; Box 1075 Corbett OR 97109). Combination handtruck and portable work table. USP1981084284286.
  5. Brice John Nigel,CAX ITX V4A 1Y8. Combination stepladder/handtruck apparatus. USP1998115836595.
  6. Miller Walter A. (5687 Pleasant Ave. Northridgeville OH 44039). Convertible bulk hand truck and table top. USP1996075536034.
  7. Meyers, Paul F.; Meyers, Thomas J.. Convertible hand truck. USP2012018100430.
  8. Meyers, Paul F; Meyers, Thomas J. Convertible hand truck. USP2013068465046.
  9. Schoberg Carl J. (Zumbro Falls MN). Convertible hand truck. USP1990054921270.
  10. Whinnery, Norman A.. Dual directional hand truck. USP2013108550476.
  11. Frank E. Ciccone. Hand truck. USP2002016341788.
  12. Pipes George R. (3635 Choke Cherry Dr. Salt Lake City UT 84109) Daley Glen L. (9870 Albury Rd. Sandy UT 84092). Hand truck. USP1994015277439.
  13. Prapavat Vuthisit. Hand truck. USP2001086273438.
  14. Stahler ; Sr. Richard D.. Hand truck convertible to a cart. USP2001126328319.
  15. Braden Willis W. (4595 Hartel Beaumont TX 77705). Hand truck with pivotable platform. USP1993095246239.
  16. Mortenson Carl N. (Midland MI). Improvements in hand trucks with pivotally connected, spreadable, wheel-supported, auxiliary support frames. USP1993055207439.
  17. Colacecchi, Jay W.. Monument transport tool and method. USP2013018360444.
  18. Stallbaumer, John J.. Multipurpose storage and transport cart. USP2004076758482.
  19. Wilson P. Henry (4721 E. 146th St. Carmel IN 46032) Kelso William A. (7575 E. Maloney Rd. Brownsburg IN 46112). Pivotable hand truck apparatus. USP1990124978132.
  20. Chisholm,John; Tsung,Shawn; Carrolo,Paulo. Portable collapsible stand. USP2007087255355.
  21. Shelton James A. (1124 Sutter Ave. Modesto CA 95315). Power assisted hand truck. USP1988034728245.
  22. Miranda Eduardo E.. Removable stepwise adjustable dolly support adjustable to fit various dollies. USP1998095810373.
  23. Richard D. Stahler, Sr.. Three-position hand truck using multiple locking mechanisms and/or a combination connecting member and channel. USP2002046364328.
  24. Wise, Robert W.. Universal mobile saw stand. USP2013058448956.
  25. Curran Robert J. (Oakville CAX). Vehicle lift and locking mechanism for use therewith. USP1994065322143.
  26. Lawrence,Mark; Sirois,Michael G.; Watters,Robert D.; Busschaert,Jason F.; Yanbin,Tong; Tao,Han; Robson,Mark E.. Wheeled folding bench with hand truck capabilities. USP2008067380778.
  27. Mueller, Mark J.. Work tool transporting and support apparatus. USP2003036530583.