Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1992-05-27
1993-06-08
Olszewski, Robert P.
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
198321, B66B 906
Patent
active
052170896
ABSTRACT:
A motor driven stair lift device is driven along the tubular track filled with transmission elements comprising incompressible spheres driven by a worm. Drive spheres affixed to a carrier and disposed in a portion of the track are driven with the transmission elements, causing movement of the carrier along the track.
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Noland Kenneth
Olszewski Robert P.
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