Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1989-09-01
1991-06-04
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
187108, B66B 516
Patent
active
050206400
ABSTRACT:
In an elevator brake that includes brake jaws acting on at least one bearer rope and a device for applying the brake, the speed of the elevator car is monitored by an impulse relay. This relay is connected to a pulse generator that includes a roller driven by the bearer rope of the elevator car. If the speed of the elevator car is too high, a switching signal applying the brake is given before an arresting device responds.
REFERENCES:
patent: 4284175 (1981-08-01), Ishii et al.
Bongers & Deimann
Noland Kenneth
Olszewski Robert P.
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