Lift exit emergency safety system

Details Lift exit emergency safety system Lift exit emergency safety system

1983-11-15

1985-08-06

Shoop, William M.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 20, 318367, B66B 502

Patent

active

045330212

ABSTRACT:
A safety device for the emergency evacuation of a cabin at a safe floor in an elevator shaft includes a main motor, a three-phase current cable, a conveyor, an electric brake, an inertia flywheel, wheels positioned around the outer periphery of the inertia flywheel for driving/stopping such flywheel, a gripper frame positioned around the outer periphery of the inertia flywheel for pushing the driving/stopping wheels against such outer periphery, an electromagnet for actuating the gripper frame, and an auxiliary motor for supplying electrical energy to the driving/stopping wheels.

REFERENCES:
patent: 3120880 (1964-02-01), Jaseph
patent: 3144917 (1964-08-01), Tressel
patent: 3162793 (1964-12-01), Mason
patent: 3469657 (1969-09-01), Sgroi
patent: 3902573 (1975-09-01), Grove et al.
patent: 4030007 (1977-06-01), Price et al.
patent: 4108280 (1978-08-01), Eastcott et al.
patent: 4220222 (1980-09-01), Kamaike et al.
patent: 4364453 (1982-12-01), Serina
patent: 4422531 (1983-12-01), Ohtomi et al.
patent: 4433755 (1984-02-01), Ohtomi

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