|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/2501 ; 188/2F ; 280/3041 ; 280/650|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 100 인용 특허 : 0|
A convertible wheelchair permits change over from an attended wheelchair arrangement to a self propelled wheelchair arrangement. The wheelchair accommodates both lateral and longitudinal dimensional changes. Further, the seat can pivot relative to the frame, as well as permitting a seat back to tilt relative to the seat portion. In the attended wheelchair arrangement, the rear wheels are simultaneously locked.
A convertible wheelchair adapted for conversion from an attended wheelchair arrangement to a self-propelled wheelchair arrangement, comprising: a frame; a seat received on the frame; front wheels extending from the frame; two pairs of rear wheels for alternate mounting on the frame, the first pair being substantially smaller in diameter than the second pair for use as an attended wheelchair and the second pair including hand rails for self propelling and alternative use as a self-propelled wheelchair; means for pivoting the seat relative to the frame thr...