Patent ID: 6464243
Filing Date: 2002-10-15
Classification: A61G

Abstract:
A collapsible wheelchair comprising a seat support, a backrest support, a lower leg support at right angles to the seat support and wheels on an axle, the backrest support and the lower leg support being movable from an operative position to a collapsed position substantially parallel to the seat support by pivoting about the seat support and about a pair of lower leg support pivot joints to lie underneath the seat support; the seat support comprising two front portions, each of which extend downwardly and support at a lower end thereof one of the lower leg support pivot joints, each of which comprises a pivot pin between one of the lower leg supports and the seat support, and a sleeve which is slidable between a locked position covering the pin and preventing lower leg support rotation and an unlocked position at which the pin is exposed and the lower leg support is free to pivot about the pin, with the two sleeves in the operative position of the wheelchair being at right angles to the seat support and the sleeves in the collapsed position of the wheelchair being parallel to the seat support.