Lockable reclining adjustment device to control the tilting...

A - Human Necessities – 61 – G

Patent

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Details

A61G 5/10 (2006.01)

Patent

CA 2644878

Disclosed is a reclining adjustment device to control the reclining angle of a tiltable seat frame of a manual wheelchair. The device in accordance with the teachings of this invention includes a guiding mechanism for adjusting the reclining angle of the seat frame to a desired angle selectable from a fixed number of angles between a fully reclined position and a fully upright position, an engaging mechanism releasably engaging the guiding mechanism when the reclining angle of the seat frame is at the desired angle to fix the guiding mechanism in place, a locking mechanism for locking the engaging mechanism to the guiding mechanism at the desired angle, an actuating mechanism, wherein upon actuation of the actuating mechanism, the engaging mechanism is released from the guiding mechanism to permit the guiding mechanism to be adjusted to the desired angle. Preferably the guiding mechanism is a stepped shaft, the engaging mechanism is a slider with three ball bearings positioned equally spaced relative to one another along the stepped shaft, and the locking mechanism is a lock cylinder.

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