| 摘要 |
The present automatic wheelchair brake device invention includes a brake mechanism adapted to be installed on an existing collapsible wheelchair. The brake mechanism may be adapted to be operably installed on only one side of a frame of the collapsible wheelchair such that a side-to-side collapsibility of the frame of the collapsible wheelchair is significantly unimpeded by the brake mechanism. The brake mechanism may be movable between an engaged position that generally inhibits rolling movement of the wheelchair and a disengaged position permitting free rolling movement of the wheelchair in response to movement of structure on the one side of the frame of the collapsible wheel chair between a first position when the wheelchair is occupied and a second position when the wheelchair is unoccupied.
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