Foldable wheelchair

Details Foldable wheelchair Foldable wheelchair

A - Human Necessities

61

G

155/14.1, 155/14

A61G 5/08 (2006.01) A61G 5/12 (2006.01)

Patent

CA 1311676

ABSTRACT OF THE DISCLOSURE: A foldable wheelchair is provided with two lateral frames which are pivotally connected by means of two criss- crossed struts lying in a plane transverse to the driving direction. The struts are pivotally connected at their lower ends to each frame and at their upper ends support seat tubes extending parallel to the driving direction. The seat tubes in the unfolded condition of the chair are snapped into securing parts provided on the frames. Additionally each strut is pivotally connected to the adjacent frame by means of a rotatable latch. The position of the pivot point of the latch and the length of the latches as well as the cross-section of the securing parts at their upper ends and the material of the arresting parts are so selected that the seat tubes are snapped into the securing parts with an elastic deformation of the parts. The rotatable latches and the snap connections provide a firm coupling between the seat tubes and the frames so that the unfolded chair is quite stable.

603083

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