Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1992-05-08
1993-09-14
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
187 73, 187108, B66B 1104
Patent
active
052440605
ABSTRACT:
An elevator apparatus is provided with a hoisting unit including a drive sheave for winding a rope around it. The hoisting unit includes a rotary member. The rope has a car attached at one end thereof for suspending. A braking force is applied to the rotary member by a biasing unit. The braking force against the rotary member is released by a releasing unit, and is reduced by a reducing unit. In emergency stop of such an elevator apparatus, slipping of the rope is not caused to control the braking force with ease.
REFERENCES:
patent: 2914138 (1959-11-01), Borden
patent: 4975627 (1990-12-01), Reddy
Itoh Masanobu
Nakamura Ichiro
Shigeta Masayuki
Sugahara Jun
Tanaka Masakatsu
Hitachi , Ltd.
Noland Kenneth
Olszewski Robert P.
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