Carbon--carbon composite elevator safety brakes

Details Carbon--carbon composite elevator safety brakes Carbon--carbon composite elevator safety brakes

1997-11-06

1999-11-09

Le, Mark T.

Brakes

Elements

Shoes

F16D 6900

Patent

active

059796154

ABSTRACT:
An elevator safety brake for stopping an elevator car is provided with a brake shoe having a carbon-carbon composite friction surface for contacting an elevator guide rail surface to provide a stopping force. The friction surface of the brake formed from the carbon-carbon composite exhibits a consistent high friction and low wear suitably accommodating high speed, high load elevators installed in very tall buildings.

REFERENCES:
patent: 3731769 (1973-05-01), Ely
patent: 3897582 (1975-07-01), Olcott
patent: 4146654 (1979-03-01), Guyonnet
patent: 4351885 (1982-09-01), Depoisier et al.
patent: 4457967 (1984-07-01), Chareire et al.
patent: 5163526 (1992-11-01), Morgun et al.
patent: 5503257 (1996-04-01), Sugita et al.

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