Powered locomotive parking brake

Details Powered locomotive parking brake Powered locomotive parking brake

1997-08-11

2000-03-21

Le, Mark T.

Brakes

Operators

Electric

188 3R, 188 34, 188 729, 188 712, 74625, B60L 700, B60T 720, F16H 100

Patent

active

060391588

ABSTRACT:
A power-actuated parking brake is provided that produces sufficient force to set a parking brake for a locomotive. A powered drive train rotates a sheave over which a brake chain is positioned. Rotation of the sheave draws up the brake chain that is connected at one end to the parking brake. The parking brake is set when sufficient tension is applied to the brake chain by the powered drive. The drive train includes a drive shaft driven by an electric motor and connected to the sheave through a planetary reduction drive and a clutch.

REFERENCES:
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patent: 2747693 (1956-05-01), Hines
patent: 3398819 (1968-08-01), Ruhl et al.
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patent: 3702125 (1972-11-01), Jeffries
patent: 3809191 (1974-05-01), Woodward
patent: 3880262 (1975-04-01), Besoyan
patent: 4949824 (1990-08-01), Buckley et al.
patent: 5178237 (1993-01-01), Ursel et al.
patent: 5219049 (1993-06-01), Unterborn
patent: 5325939 (1994-07-01), Schwendt

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