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특허 상세정보

Compact collapsible cart with vertical lift

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-001/08   
미국특허분류(USC) 280/047.2; 280/047.29; 280/047.27; 280/047.28
출원번호 US-0465331 (2003-06-19)
발명자 / 주소
대리인 / 주소
    Bracewell &
인용정보 피인용 횟수 : 18  인용 특허 : 27
초록

A hand truck or cart has a frame with telescopic segments and wheels mounted to a lower end of the frame for maneuvering the frame on a support surface. The frame has an extended position for operational use and a collapsed position for storage purposes. When the frame is in the collapsed position, it has a vertical height that is only a fraction of its height when in the extended position. Each of the telescopic arms have locking elements for securing the frame in the extended position. The cart also has pivotable support and fork platform for supportin...

대표
청구항

1. A cart, comprising:a frame having a handle and a plurality of telescopic members for movement between an extended position such that the telescopic members are deployed, and a collapsed position such that the telescopic members are retracted;a plurality of wheels mounted to a lower end of the frame for maneuvering the frame on a support surface;a support platform mounted to the frame adjacent to the wheels and adapted to support a load placed thereon, the support platform being pivotable relative to the frame between a support position such that the f...

이 특허에 인용된 특허 (27)

  1. Wilhelm Paul K. (c/o Clipper Products ; P.O. Box 30388 Cincinnati OH 45230). Article carrying cart. USP1990014896897.
  2. Cordova Paul. Backpack and load conveyance apparatus. USP1998065769431.
  3. Mao James (2nd Fl. ; No. 7-3 ; Jen-Ai Road ; Sec. 3 Taipei TWX). Collapsible and movable support for wardrobe. USP1986104618035.
  4. Kazmark ; Jr. Eugene A.. Collapsible cart. USP1999085941543.
  5. James Tsai TW. Collapsible trolley. USP2002076425599.
  6. Stevens Terence. Compact cart. USP2000086102433.
  7. Bateman Donald E. (2-747 42nd St. Ogden UT 84044) Panter Barry L. (2-2985 North 4200 West Ogden UT 84044). Fire fighting ventilation system. USP1989124886233.
  8. George M. Allen. Flexible connector. USP2002096447022.
  9. Dunkle Gary L. (Connersville IN). Foldable hand truck apparatus. USP1996085549317.
  10. Libit Jeffrey M. (13244 Circulo Largo Ct. ; NE. Albuquerque NM 87112) Libit Sidney (Long Boat Key FL). Foldable luggage carrier. USP1993115263727.
  11. Taylor Frank E. (1440 S. Seneca Wichita KS 67213). Folding two-wheeled hand truck. USP1982024315632.
  12. Mann Larry D. (805 Walnut Rock Springs WY 82901). Hand truck. USP1993105251922.
  13. Malden Lavern E. (San Antonio TX) Sanchez Robert R. (San Antonio TX) Cisneros ; Jr. Manuel R. (San Antonio TX). Hand truck for handling cylinders of compressed gas and the like. USP1996025489183.
  14. Kim, Jin Yu. Hand truck with electrically operated lifting platform. USP2003036530740.
  15. David Weck ; Erwin M. Frey. Household cart and method of using same. USP2002046375202.
  16. Holtz Gilbert J. (182 Tibbetts Rd. Yonkers NY 10705). Luggage cart. USP1984074458914.
  17. Hsieh Hung-Ching,TWX ; Hsieh Yung-Shun,TWX. Luggage cart. USP1999095951037.
  18. Stein Edward B. (Chicago IL). Luggage cart. USP1990094953888.
  19. Lin Shiou Chang. Luggage system and folding dolly therefor. USP1998085797617.
  20. Iwaki Osamu (Nagoya JPX). Parcel cart. USP1990044917401.
  21. Davis Michael F. ; Curtin Richard M. ; Busuttil John. Pneumatic level maintaining transport. USP1999035885047.
  22. Kazmark ; Sr. Eugene Anthony (5 Remin Lane Joliet IL 60433). Portable luggage carrier with telescoping handle. USP1976123998476.
  23. Tsai James (103 ; Ta Ming 1 Rd. ; Tung Pao Tsun ; Tan Tzu Hsiang Taichung Hsien TWX). Structure of carriage. USP1997015590897.
  24. Audet Bernard,CAX ITX G8P 2R6. Tool box carrier. USP1999085938396.
  25. 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.
  26. Kazmark Eugene A. (5 Remin La. Joliet IL 60433). Two-wheeled cart with auxiliary wheel. USP1986124630837.
  27. Gillette, Richard A.; Gillette, Thomas A.; Hull, Nathan J.; Hailston, Bruce L.. Versatile hand truck. USP2003056557869.