Invention Grant
US08973713B2 Height adjustment system for wheelchair lift 有权
轮椅升降机高度调节系统

Height adjustment system for wheelchair lift
Abstract:
A wheel chair lift device includes a base, a lift car, and a lift mechanism for raising and lowering the lift car relative to the base. A maximum height system includes a light source, optical sensor, magnetic-backed reflector, and a placement tool for engaging a reference port on the lift car. Operation of the light source and optical sensor are confirmed before the lift car is elevated.
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