Wheel Chair for Escalator Transport, Escalator for Wheel Chair Transport and the Combination Thereof

摘要

Lever (A) mounted on the wheel chair has a follower (13) which engages a track (T) in the side wall (11) of the escalator. As lever (A) rotates front wheel supports (W2) are extended by means of a rack-and- pinion mechanism driven by sprockets 50, 32 and chain 33 to keep the wheel chair level during ascent and descent. An anchor B is also extended by lever A into engagement with the flights F of the escalator. Escalator motion control means is operated by the follower (13) for stopping and starting the escalator. IMAGE