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...
Patent
1998-04-24
2000-04-25
Hess, Douglas
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...
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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Rennetaud Jean Marie
Silberhorn Gert
Weinberger Karl
Hess Douglas
Invento AG
McAllister Steven B.
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