|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/250.1 ; 280/042 ; 280/650 ; 297/DIG.4|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 21 인용 특허 : 14|
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...
[ 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 ...