Brakes – Vehicle – Railway
Patent
1982-06-14
1985-02-12
Halvosa, George E. A.
Brakes
Vehicle
Railway
104257, 104259, 246205, B61H 1300
Patent
active
044985614
ABSTRACT:
A retractable wheel chock assembly for railway wagons comprises the combination of a wheel chock (12) designed to act on the flange of a wagon wheel, and a friction brake (36) attached to the wheel chock and sliding along a guide rail (3) mounted just outside the railway track (4) on which the wagon is running. The wheel chock (12) is at one end of a cantilever arm (10) that can be swung out over the railway track or inwardly over the guide rail. Both the cantilever arm and the friction brake are mounted on a carriage (1) that is movable longitudinally of the guide rail, and a linkage between the arm and the brake ensures that the brake is actuated in response to the reaction force of the wagon wheel on the wheel chock. The wheel chock may be extended over the railway track, advanced along the track into abutment with a wagon wheel and braked, all in a single operative movement.
REFERENCES:
patent: 1706828 (1929-03-01), Taylor
patent: 1994260 (1935-03-01), Syckle
Godwin Warren Engineering Limited
Halvosa George E. A.
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