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특허 상세정보

Collapsible chair

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62B-005/02   
미국특허분류(USC) 280/005.22; 280/250.1
출원번호 US-0544048 (2000-04-06)
발명자 / 주소
대리인 / 주소
    Scully, Scott, Murphy & Presser
인용정보 피인용 횟수 : 12  인용 특허 : 19
초록

A collapsible chair for transporting people up and down stairs, comprising a main frame, a seating assembly, and a rail assembly. The seating assembly is provided to form a set for a person, and this assembly is pivotally connected to the main frame for pivotal movement between open and closed positions. The rail assembly is used to support the chair for movement down steps, and this assembly is also pivotally connected to the main frame for pivotal movement between open and closed positions. In accordance with a first aspect of the invention, the chair ...

대표
청구항

A collapsible chair for transporting people up and down stairs, comprising a main frame, a seating assembly, and a rail assembly. The seating assembly is provided to form a set for a person, and this assembly is pivotally connected to the main frame for pivotal movement between open and closed positions. The rail assembly is used to support the chair for movement down steps, and this assembly is also pivotally connected to the main frame for pivotal movement between open and closed positions. In accordance with a first aspect of the invention, the chair ...

이 특허에 인용된 특허 (19)

  1. Park Chul (1837 Green Place Ter. Rockville MD 20850). Carriage for traversing irregular surfaces. USP1993125269544.
  2. Egen David P. (17 E. 67th St. New York NY 10021). Carriage for traversing stairs. USP1984094473234.
  3. Misawa Rintaro (Tokyo JPX) Takahashi Kou (Tokorozawa JPX). Carrier for rescuing patients. USP1987084688813.
  4. Shaffer Robert H. (316 Escuela - No. 10 Mountain View CA 94040). Collapsible utility cart. USP1977094047724.
  5. Webb Lucie O. (232 Brookdale Dr. Americus GA 31709). Collapsible walker. USP1992125172715.
  6. Light Richard D. (Canoga Park CA). Collapsible walker with a retractable seat. USP1997025605169.
  7. Medina Henry (4 Sleepy La. Melville NY 11747). Collapsible wheelchair. USP1994085338048.
  8. Baghdasarian Varouj G. (1103 S. Stelling Rd. Cupertino CA 95014). Convertible infant seat. USP1988114786064.
  9. Hannappel Gerald J. (708 W. Solano Dr. Phoenix AZ 85013). Convertible load carrying apparatus for all terrain vehicles. USP1987034648617.
  10. Bihler Franz (Augsburg DEX) Abele Anton (Augsburg DEX). Easy-adjust stair climber for wheelchair. USP1986014566706.
  11. Mauch Floyd (8245 Kirkwood Drive Los Angeles CA 90046). Hand truck. USP1977074033595.
  12. Huang Mien-Cheng (Tainan TWX). Handle height adjuster for baby carriage. USP1993025184835.
  13. Mintz Daniel (70 Cambridge Pl. Brooklyn NY 11238). Load carrier frame. USP1986024570954.
  14. Saethre ; Magnus ; Spector ; George. Shopping cart capable for use on stairs. USP1978124130291.
  15. Lehner Max (Prambachkirchen ATX). Stair-climbing wheelchair carrier with crawlers. USP1990024898256.
  16. Garven ; Jr. Douglas M. ; Chu Kevan L.. Suspension wheelchair and wheelchair frame. USP1998035727802.
  17. Bowie ; Jr. William R. (Baltimore MD) Sampson George B. (Baltimore MD). Transport device for invalids. USP1979014136888.
  18. Robertson A. Scott (Pasadena CA) Geiger Richard (Santa Cruz CA). Wheelchair and wheelchair frame. USP1993125267745.
  19. Rembos Steven N. (790 S. Park Rd. Hollywood FL 33021). Wheelchair apparatus. USP1990104962941.