B - Operations – Transporting – 62 – M
Patent
B - Operations, Transporting
62
M
155/14.2
B62M 1/14 (2006.01) A61G 5/00 (2006.01) A61G 5/04 (2006.01) A61G 5/10 (2006.01) A61G 5/12 (2006.01)
Patent
CA 1229035
ABSTRACT A wheelchair system comprises a substantially rigid seat adapted to be mounted on at least two alternative types of carriage each comprising a pair of moulded plastics side frames which are interconnected by a bracing mechanism to permit the side frames to be folded together for collapsing the chair or spread apart for erecting the chair. A connecting system comprising locating means which allows the seat to be placed on an approximately fully spread carriage and then to locate the side frames at the correct spacing from one another in order to ensure complete spreading of the carriage, and additionally retaining means which allow the seat to be moved into a position in which it cannot be lifted from the thus spread carriage, allows positive engagement of the seat with the chair with the ability to spread the carriage solely by downward pressure on the seat, thereby enabling a disabled user of the wheelchair to be able to place the seat on the carriage ready for use. Locking means prevent the seat from movement so as to disengage the retaining means and hence retain the seat and the carriage in engaged configuration. The different types of carriage have respective different propulsion means or are equipped for attendant- propulsion or occupant-propulsion.
467683
Gowling Lafleur Henderson Llp
Lieuse Technology Limited
LandOfFree
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