Patent ID: 8424654
Filing Date: 2013-04-23
Classification: A61G,B60T,B62B,F16D

Abstract:
1. A wheelchair safety system for a wheelchair having a seat and two main wheels, the safety system comprising: a first locking device having at least one first member fixedly secured to one of said wheels, said at least one member having a first outer ring, a plurality of slots formed in said first outer ring, said first member having an inner ring, a plurality of slots formed in said inner ring, said first ring being designed to be located adjacent a rim of one of said main wheels for securing said first member to said main wheel; a second member moveable between an engaged position and a disengaged position, said engaged position being one wherein said second member engages said first member such that said one of said wheels is prevented from rotating, said disengaged position being one wherein said one of said wheels is free to rotate; an activating assembly linked to said seat and said second member, said activating assembly being arranged such that when there is more than a predetermined weight in said seat, said second member is maintained in a disengaged position and when there is less than a predetermined weight in said seat, said second member is in an engaged position; and a second locking device mounted rearwardly of said seat, said second locking device comprising a further locking member engageable with said first member, said further locking member being biased to a non-engaging position.