|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||280/42 ; 280/650 ; 280/2501 ; 280/3041|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 82 인용 특허 : 14|
Wheelchair side frames (A) include forward and rearward side frame portions (10, 12) which are telescopically interconnected such that the length of the side frames is selectively adjustable. A cross brace folding assembly (B) interconnects the side frames and selectively moves the side frames between folded and open configurations. The cross brace mechanism includes a pair of cross brace members (30, 32) which are pivotally interconnected (34) and which are each adjustable in length to adjust the width of the wheelchair in the open configuration without...
A width adjustable wheelchair, comprising: a pair of side frames; a pair of seat supporting members; means for supporting said seat supporting members in a predetermined vertical relationship relative to said side frames; a pair of cross brace members pivotally interconnected along a single central pivot axis by a central pivot means, each of said cross brace members having a lower end pivotally connected to one of said side frames along a lower pivot axis and an upper end connected to one of said seat supporting members, said cross brace members includi...