A - Human Necessities – 61 – G
Patent
A - Human Necessities
61
G
155/14.2
A61G 5/02 (2006.01)
Patent
CA 1215907
ABSTRACT OF THE DISCLOSURE The invention relates to an elevator device for a wheelchair of the type comprising, on the one hand, an articulated structure comprising a seat, a footrest and a back, adapted on the frame of such a wheelchair and constituted by two symmetrical lateral systems each comprising a first deformable quadrilateral contributing to the support of the seat and articulated on the front part of the frame, a second deformable quadrilateral contributing to the support of the foot- rest, articulated on the front part of the first and a back reinforcement articulated on the first quadri- lateral opposite the second, and, on the other hand, at least one elastic compensating member, each lateral system comprises: - a second deformable quadrilateral articu- lated on the front part of the frame, - a back reinforcement constituted by a tri- lateral articulated on the first quadrilateral, - an elastic member interposed between the first quadrilateral and the frame, - and a manoeuvring assembly interposed between the first quadrilateral and the frame and per- forming a function of control of the relative pivoting of the system and a function of geometrical locking of the system in position of lowering or of elevation of the structure with respect to the frame.
455474
Goudreau Gage Dubuc
Societe A. Responsabilite Limitee: International Diffusion Conso
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