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특허 상세정보

Collapsible trolley

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/04   
미국특허분류(USC) 280/652; 280/040; 280/654; 280/655; 280/04729
출원번호 US-0703640 (2000-11-02)
발명자 / 주소
대리인 / 주소
    Browdy and Neimark, P.L.L.C.
인용정보 피인용 횟수 : 26  인용 특허 : 13
초록

A collapsible trolley includes a main member provided with a retractable pull rod and a handle; a carrier frame, which has one end pivotally provided on the main member and is rotatable between an extended position and a collapsed position; two wheel assemblies, each of which includes a wheel frame and a wheel, the two wheel frame being pivotally provided on the main member such that the two wheel assemblies can be rotated outwardly to a use position or rotated inwardly to a collapsed position; and two first gears and two second gears, in which the two f...

대표
청구항

1. A collapsible trolley, comprising:a main member having a handle; a carrier frame having one end pivotally mounted on said main member so that said carrier frame can be rotated to an extended position substantially perpendicular to said main body, or to a collapsed position substantially parallel to said main member; two wheel assemblies, each of which includes a wheel frame and a wheel mounted pivotally on said wheel frame, wherein said wheel frames are pivotally mounted on said main member such that said two wheel assemblies can be rotated to a use p...

이 특허에 인용된 특허 (13)

  1. Imai Hisato (Shinjuku JPX) Mori Sadayori (Toride JPX). Cart for hand baggage. USP1994085338054.
  2. DeMars Robert A. ; Cline Jack B.. Collapsible dolly. USP1998095803471.
  3. Ambasz Emilio (295 Central Park West New York NY 10024). Collapsible luggage carrier. USP1990044917392.
  4. Waddell Charles E. (Bristol RI) Zionts Andrew (Providence RI) King William L. (Denver CO) Mongeau Roland E. (Cumberland RI) Crumrine David (Denver CO). Ergonomic upright wheeled luggage. USP1997055630521.
  5. Yang Ching S. (Tainan TWX). Foldable cart. USP1995115468005.
  6. Hsieh Hung-Ching,TWX ; Hsieh Yung-Shun,TWX. Handcart. USP1999115984327.
  7. Chandick Michael D. (Orland Park IL) Chandick Robert M. (Orland Park IL) Ricchio Pasquale (Blue Island IL). Portable luggage carrier and method of collapsing same. USP1981084281849.
  8. Su Chung-Shiu,TWX. Push cart. USP2000046053514.
  9. Tsai James (103 ; Ta Ming 1 Rd. Tung Pao Tsun ; Tan Tzu Hsiang ; Taichung Hsien TWX). Retractable handle for hand trucks or the like. USP1995115464244.
  10. Hung-Hsin Hsieh (15F ; No.83 ; Sec.1 ; Chung-Hsiao East Rd. Taipei TWX). Tractive baggage handcart. USP1994125374073.
  11. Cheng Chiun-Jer (1 Fl. ; No. 20 ; Lane 327 ; Sec. 2 ; Chung Shan Rd. Chung Ho City ; Taipei Hsien TWX). Trolley with a foldable seat assembly. USP1992115161811.
  12. Cheng Chiun-Jer (1 Fl. ; No. 20 ; Lane 327 ; Sec. 2 ; Chung Shan Rd. Chung Ho City ; Taipei Hsien TWX). Trolley with improved telescopic tubes. USP1992075127664.
  13. Walker Brooks (1280 Columbus Ave. San Francisco CA 94133). Wheeled carrier for suitcases and the like. USP1982064335895.

이 특허를 인용한 특허 피인용횟수: 26

  1. Neal,Phillip H.; Oxford,Jon; Spital,Wade. Apparatus and method for convertible cargo carrier. USP2007077246805.
  2. Biesinger, Quinn Michael; Birkert, Thomas E.. Carrier transporter. USP2018059963158.
  3. Amsili, Marc A.. Compact collapsible cart with vertical lift. USP2005126971654.
  4. O'Connor, Charles S.. Convertible carrying case systems and collapsible wheeled carts for carrying cases. USP2009117614628.
  5. Leung, Anthony Kit Lun. Convertible transport apparatus. USP2014018622415.
  6. Herbault, Patrick; Marques, Frédéric; Saulnier, Fabien. Convertible transport trolley having a pair of fold-away legs and simultaneously fold-away wheels. USP2017059643628.
  7. Driessen, Franciscus Johannes Cornelus. Devices for supporting a child. USP2016089421991.
  8. Lopez, Albert Manuel; Lopez, Heather Noel. Dolly for field technicians. USP20180610005481.
  9. Jackson, Jr., Thomas Joseph. Expedition carts and associated methods. USP2018059969412.
  10. Jackson, Jr., Thomas Joseph. Expedition carts and associated systems and methods. USP2016089409584.
  11. Khodor, Leonid. Foldable hand truck capable of traversing obstacles. USP20181110131374.
  12. Tsai,Chun Sheng. Foldable handcraft capable of being carried about on its wheels after being folded. USP2008107441785.
  13. Wang,Wen Fa. Folding anchor structure for foldable hand trucks. USP2006057044484.
  14. White, Charity Lovette. Garment rack. USP2017049622597.
  15. Su, Chung-Shiu. Hand trolley. USP20180810040466.
  16. Burton, Stewart A.; Hellman, Jr., Robert R.. Lifting device and method. USP2010057712582.
  17. Li, Kam Ming. Luggage trolley. USP2009107607680.
  18. Unrath, Nancy K. N.. Market trolley. USP20181210160470.
  19. Matre, Daniel A.; Mahon, Terrence K.; Schwarz, Roland E. C.. Plastic hand truck with folding metal platen. USP2003096616153.
  20. Johnson,Chris; McMillan,A. C.. Portable luggage carts/carriers. USP2006117140635.
  21. Su, Chung-Shiu. Push cart. USP200402RE38436.
  22. Hardin,Kelly L.; Hardin,Gregory T.; Brockmann,Robert C.. Shopping bag carrier. USP2007037188859.
  23. Crull, Jeffrey L.. Single axis telescoping handle. USP2013098534434.
  24. Tsai, James. Single-tube retractable handle assembly. USP2005056898823.
  25. Su,Chung Shiu. Trolley structure. USP2006087097183.
  26. Umbro, Gerald; Kavanaugh, Rosemary; Umbro, Joseph; Tessel, David. Wheeled container carrier. USP2014078789836.