Linear drive for transportation equipment

Elevator – industrial lift truck – or stationary lift for vehicle – Having specific means contacting or on load support for... – Includes movable contact component on support for engaging...

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Details

187367, 187351, 188171, 188 41, 188 43, B66B 512

Patent

active

060532874

ABSTRACT:
An apparatus for moving a car along a travel path along guide rails includes a linear drive having a fixed first platform attached to the car and connected by springs with a movable second platform. Holding-units are attached to both platforms for engaging the guide rails and operating-units are connected between the platforms for relative movement. The holding-units and the operating-units include piezoelectric actuators that are selectively energized to move the car.

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