Elevator rail brake

Details Elevator rail brake Elevator rail brake

1998-01-30

2000-10-17

Oberleitner, Robert J.

Brakes

Vehicle

Railway

188165, 188173, B61H 712

Patent

active

061317047

ABSTRACT:
Rail brake (1) for an elevator, comprising a brake body attached to the elevator car, a clamp part comprising jaws (3,4) that engage a guide rail (2) via braking surfaces during braking. A spring (10) generates a load on the clamp part to press the braking surfaces against the guide rail, and a magnet whose force produces an effect reverse to that of the spring releases the braking surfaces from the guide rail. The clamp part is floatably suspended relative to the brake body. The motion of the clamp part relative to the brake body is controlled by the guide rail (2).

REFERENCES:
patent: 3554327 (1971-01-01), Takamura
patent: 3762512 (1973-10-01), McIntyre
patent: 4598798 (1986-07-01), Koppensteiner
patent: 5014828 (1991-05-01), Baldassarre
patent: 5033587 (1991-07-01), Nakai et al.
patent: 5141082 (1992-08-01), Ishii et al.
patent: 5159995 (1992-11-01), Sissala et al.
patent: 5518087 (1996-05-01), Hwang et al.
patent: 5547059 (1996-08-01), Wantabe et al.

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