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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Walker chair

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61G-005/00   
미국특허분류(USC) 280/030; 280/648; 280/2501; 297/DIG004; 297/005; 135/066; 135/067
출원번호 US-0552538 (2000-04-19)
발명자 / 주소
대리인 / 주소
    Rosenman & Colin LLP
인용정보 피인용 횟수 : 89  인용 특허 : 19
초록
▼

An apparatus that is convertible between walker and a wheelchair has one pair of wheels that are continually engaged with the ground and a second pair of wheels that are movable from a first position out of engagement or disengaged with the ground, in which the apparatus is used as a walker, to a second position into engagement with the ground, in which the apparatus is used as a wheelchair. The movable wheels are controllable by the operator through the use of handle members connected such wheels. The handle members rotate the wheels into and out of eng...

대표
청구항
▼

1. An apparatus convertible between a walker and a wheelchair for use on the ground comprising:a) a frame having a first side, a second side and a backrest extending therebetween, each side having a front leg and a rear leg, b) said front legs having a pair of front wheels respectively associated therewith and said rear legs having a pair of rear wheels respectively associated therewith, c) a seat pivotally connected to said frame and movable between a first position during which the apparatus is used as a wheelchair to a second position during which the...

이 특허에 인용된 특허 (19)

  1. Einbinder Eli. Adjustably controllable walker. USP1998085794639.
  2. Einbinder Eli (121 E. 60th St. New York NY 10022). Adjustably controllable walker. USP1997065636651.
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  5. Johnson Candace L. (10466 Moselle St. San Diego CA 92131). Combination wheelchair and walker. USP1996095558358.
  6. Jacobson, II, Julius H.; Kapec, Jeffrey; Tanaka, Kazuna; Montague, Samuel. Combined walker and wheelchair. USP1994065320122.
  7. Oliver Beverley J. (2451 Cherry Ave. Steubenville OH 43952). Combined wheelchair and walker. USP199205D326250.
  8. Pickard Raleigh H. (P.O. Box 947 Penney Farms FL 32079). Combined wheelchair and walker. USP1995095451193.
  9. Nevin Monique A. (61 Rivercourt Blvd. Toronto ; Ontario CAX M4J 3A3 ). Hemi-wheeled walker. USP1997075647602.
  10. Shimansky David (5622 McAlear Ave. Cote St. Luc ; Quebec CAX H4W 2G7). Mobility aid for physically disabled people. USP1994115364120.
  11. Schultz Jim R. (Thousand Oaks CA) Doom Michael (Canoga Park CA). Reversible walker device. USP1988064748994.
  12. Carbajal Francisco J. ; Carr Eric. Rigid seat for folding invalid walker. USP1999035882067.
  13. Quigg Robert T. ; Reynolds James A.. Walker. USP1998095813948.
  14. Vinyard Lillian L. (Rte. 7 ; Box 410 St. Charles MO 63301) Taylor Edward J. (Box 136 ; Rte. 1 Winfield MO 63389). Walker conversions for wheel chairs. USP1988074759562.
  15. Pi Ching-Tien,TWX. Walker for disabled persons. USP1998105819772.
  16. Alulyan Moris. Walker with an expandable seat. USP1999055904168.
  17. Vaughan Jack N. (702 Central St. Lafayette IN 47905). Wheel chair with provisions for patient walker. USP1995055419571.
  18. Olson Luanne (6005 W. Roscoe Chicago IL 60634). Wheelchair walker. USP1990014890853.
  19. Erfurth Ronald L. (Oregon WI) Lautzenhiser Lloyd L. (Nobel CAX) Miller Wendell E. (Warsaw IN). Wheeled apparatus for use as walker and wheelchair. USP1997025605345.

이 특허를 인용한 특허 피인용횟수: 89

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  8. Paterson, Michael; Kim, Tong Jin; McDaniel, Kegan; Westra, Luke. Collapsible rolling walker. USP2017099763849.
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  10. Waldron, Darcy; Haggstrom, Shane. Collapsible wheelchair. USP2004066752414.
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  18. Solow, Howard J.; Hahn, Christopher J.. Exercise table. USP2015089108079.
  19. Sanders,Christopher D.; Willis,Phillip M.. Foldable mobility support device. USP2006077073801.
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  30. Meyers, Daniel Seth; Boar, Cristian; Xu, Ming. Height adjustable rolling walker for transportation seating. USP2009127628411.
  31. Owens,John; Bly,Robert R.; Wysocki,Kevin S.. Inwardly folding rollator with an upwardly pivotable seat. USP2006057040637.
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  33. Willis, Phillip Minyard. Mobile support assembly. USP2012118313116.
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  38. Willis,Phillip Minyard. Mobile support assembly. USP2008117451992.
  39. Pikulski, Joseph L.. Mobilized cooler device with fork hanger assembly. USP20180910071303.
  40. Hoffman-Hewitt, Amy W.. Modified footrest for salon chair. USP20180810051965.
  41. Naucke, Leslie R. Multiple use ambulatory device. USP2017059655806.
  42. Queen, Dina. Pediatric transporter and associated methods. USP2012078220823.
  43. Catton, Douglas. Physical assistance device configurable into a walker/rollator, seat or transport chair. USP2013118584689.
  44. Giordano, Jr., Rocco J.. Portable folding mixing drill stand. USP2012078231087.
  45. Buechel, Jr., Frederick; Hoobler, Colin. Rehabilitation and fitness trainer. USP2004036712744.
  46. Shapiro,Richard N.. Removable and stowable wheel stands for convertible children's carrier devices. USP2007097264265.
  47. Andersen, Margaret M.. Rollator. USP2016019226868.
  48. Andersen, Margaret M.. Rollator. USP2018059968509.
  49. Andersen, Margaret M.. Rollator. USP2017109775766.
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  74. Jeyasurya, Jeswin; Borisoff, Jaimie. Stand-assist manual wheelchair footrest retraction device. USP2015069050232.
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  89. Serhan,Michael. Wheeled walker. USP2006057052030.

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