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특허 상세정보

Portable wheelchair

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B62M-001/14   
미국특허분류(USC) 280/250.1 ; 280/042 ; 280/650 ; 297/DIG.4
출원번호 US-0887161 (1997-07-02)
발명자 / 주소
대리인 / 주소
    Browning Bushman
인용정보 피인용 횟수 : 21  인용 특허 : 14
초록

A compact collapsible wheelchair comprises first and second side frames, wherein each side frame includes a seat support rod and wheel support member. A collapsible support framework is operatively attached to the first and second side frames and includes a first auxiliary seat support member and a second auxiliary seat support member positioned relative to a flexible seat connected between each seat support. The flexible seat is urged into engagement with the first and second auxiliary seat support members in response to the bodyweight of the user. At l...

대표
청구항

[ What is claimed is:] [1.] A compact collapsible wheelchair comprising:first and second side frames, each of said side frames including a seat support rod and a wheel support member, parallel to said seat support rod;a collapsible support framework operatively attached to said first and second side frames, said collapsible support framework including a first auxiliary seat support member and a second auxiliary seat support member, said collapsible support framework being interconnected to said first and second side frames such that when said wheelchair ...

이 특허에 인용된 특허 (14)

  1. Maclaren Owen Finlay (Barby ; near Rugby EN). Collapsible seat structures. USP1976073968991.
  2. Geiger Richard (Alameda CA) Robertson A. Scott (San Francisco ; both of CA) Page Neville (San Francisco CA). Foldable wheelchair and side frame assembly for foldable wheelchair. USP1996035496050.
  3. Duffy ; Jr. George Y. (Port Huron MI) Flum Ted O. (St. Clair MI). Folding wheelchair with improved frame and suspension system. USP1989084861056.
  4. Morgan Jerry E. (352 67th St. Clarendon Hills IL 60514) Morgan David E. (9 South 502 Dix on Ct. Downers Grove IL 60516). Lightweight transportable wheelchair. USP1992085141250.
  5. Morgan Jerry E. (Clarendon Hills IL) Morgan David E. (Downers Grove IL). Lightweight transportable wheelchair. USP1993025186480.
  6. Zatulovsky Leonid (Northridge CA) Robinson ; Sr. Curtis A. (Simi Valley CA) Renolds ; Jr. Robert W. (Camarillo CA) Dingley Robert (Reseda CA) St. George David (No. Hollywood CA). Low cost wheelchair. USP1996105560627.
  7. Patel Nathalal G. (Elyria OH) Diedrick Allen W. (Elyria OH) Ruckowski Thomas J. (Berea OH) Smith Harold A. (Elyria OH) Krupar Richard J. (Oberlin OH) Jones Tonya E. (Vermilion OH). Low profile wheelchair. USP1993115263728.
  8. Barclay Hugh W. (241 Glengarry Road Kingston ; Ontario K7M 3J6 CAX). Tilting and folding wheelchair. USP1992105154438.
  9. Stearns Cynde (Bakersfield CA). User inclinable prone stander type wheelchair. USP1988054744578.
  10. Thompson Josephine M. (Somerset House ; 5600 Wisconsin Ave. Chevy Chase MD 20815). User-collapsible wheelchair. USP1993025188383.
  11. Knoche Raymond E. (Creve Coeur MO). Wheelchair brake assembly. USP1982034320818.
  12. Minnebraker Jeffrey P. (Westlake Village CA). Wheelchair construction. USP1984104477098.
  13. Leggett Geary M. (Anderson CA) Perdue Robert W. (Anderson CA). Wheelchair lock device. USP1989034809818.
  14. Volin Frank (3221 Quitman St. Columbia SC 29402). Wheelchair width adjuster. USP1987034648615.

이 특허를 인용한 특허 피인용횟수: 21

  1. Rogers Richard H. ; Huntress Robert M.. Adjustable wheelbase wheelchair. USP2000126164674.
  2. Harrison, Richard J.; Mann, William F.. Assistive mobility device. USP2004086776433.
  3. Chong, Edward Y.. Bi-folding wheelchair. USP2011087988171.
  4. Faber,Elizabeth L.. Collapsible stroller. USP2007017163228.
  5. Dickie, Robert G.; Copeland, Steve A.. Collapsible support structure. USP2009107607725.
  6. Dickie, Robert G.; Copeland, Steve A.. Collapsible support structure. USP2009107607724.
  7. Friedrich Paul. Convertible wheelchair. USP2001106302429.
  8. Munsey,Douglas H.; Slagerman,Murray G.. Foldable wheelchair with extensible link assembly and method. USP2008067384058.
  9. Anooshian, Benjamin Adrian; Alatorre, Steven Julian; Ram, Joseph Nobert. Folding wheelchair. USP2015048998245.
  10. Cockram, George R.. Folding wheelchair with a positioning assembly. USP2003096616172.
  11. Chen, Shun-Min; Li, Ru Yi; Yu, Fu Xian. Frame assembly for double-seat baby stroller. USP2010067731220.
  12. Richard H. Rogers ; Robert M. Huntress. Frame support apparatus and coupling device for use with an ambulatory system and method of fabrication thereof. USP2002126499762.
  13. Gingras, David; Simoneau, Éric; Couture, Pierre-André. Light weight foldable and customizable wheelchair. USP2014018628108.
  14. Steven Turner. Mobile seat arrangement. USP2002056386575.
  15. Brown Richard ; Meador Edward L. ; Hume David E.. Portable wheelchair. USP2000106135475.
  16. Thompson, Peter James. Rear steer portable wheelchair. USP2017049629763.
  17. van't Schip, Joannes Stefanus. Rolling aid for use by elderly and disabled people. USP2004026688633.
  18. Hector, Jr., Melvin G.; Yentzer, Dana R.. Structure, components and method for constructing and operating an automatically self locking manually propelled vehicle such as a wheel chair. USP2014018622409.
  19. Jacobs, David P.; Adhikari, Ishwor P.; Derks, Richard P.. Transport wheelchair. USP201009D624459.
  20. Gabriely, Yoav; Reuveni, Ruth. Wheelchair and a method for producing said wheelchair. USP2016029259370.
  21. Serhan,Michael. Wheeled walker. USP2006057052030.