Disk brake for elevator

Details Disk brake for elevator Disk brake for elevator

1992-06-25

1999-01-12

Young, Lee W.

Brakes

Operators

Spring

188 28, 188 59, B60H 824

Patent

active

RE0360341

ABSTRACT:
A caliper brake set engages a disk on the machine shaft or drive sheave to hold the elevator car in place at a landing. The brake set is biased by one or a pair of springs to a "brake-on" condition, and a solenoid assembly is provided to hold the brake set in a "brake off" condition when power is supplied to the solenoid. Camming levers are used in conjunction with the solenoid to provide a mechanical advantage which allows use of smaller solenoids. The brake shoes are spring biased for improved operation on the disk.

REFERENCES:
patent: 4023655 (1977-05-01), Anzai et al.
patent: 4060153 (1977-11-01), Kobelt
patent: 5109958 (1992-05-01), Kato et al.

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