Railway brakes

Details Railway brakes Railway brakes

1980-08-19

1983-12-13

Halvosa, George E. A.

Brakes

Vehicle

Railway

188 74, 188206R, B61H 1338

Patent

active

044200650

ABSTRACT:
A tread brake for braking a wheel (2) of a railway vehicle which is sprung relative to a frame (4) of the vehicle, comprises an actuator (5) suspended from the frame (4) by a swing arm (6), and a rigid link arm (7) fixed to the actuator (5) and connected through a pivot (8) parallel to the wheel axis to a bracket (9) fixedly mounted to a bearing in which the wheel axle is journalled. The link arm (7) adjusts the position of the actuator (5) in response to any movement of the wheel (2) relative to the frame (4) so that the braking element (11) is always applied substantially radially to the wheel, which allows the element to take the form of an elongate rod of friction material. A new handbrake structure is also described.

REFERENCES:
patent: 96375 (1869-11-01), Cowan
patent: 147407 (1874-02-01), Kirchrath
patent: 1466452 (1923-08-01), Lipcot et al.
patent: 1796605 (1931-03-01), Leggemann et al.
patent: 2215351 (1940-09-01), Farmer
patent: 2561454 (1951-07-01), Williams
patent: 2889785 (1959-06-01), Browne
patent: 2969129 (1961-01-01), Browne et al.
patent: 3160234 (1964-12-01), Polanin
patent: 4056171 (1977-11-01), Tickle

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