Constant tension device for railway car handbrake

Details Constant tension device for railway car handbrake Constant tension device for railway car handbrake

1992-05-26

1994-08-23

Graham, Matthew C.

Brakes

Position adjusters

Supports

188216, 267162, 267168, F16D 6518

Patent

active

053399307

ABSTRACT:
A constant tensioning device in the form of an elastic member interposed in the handbrake chain between a railway car handwheel and a handbrake lever of the railway car brake apparatus for maintaining tension in the handbrake chain in accordance with the applied handbrake force, irrespective of such shifting of the railway car relative to its truck, as would otherwise cause slack to develop in the handbrake chain and thereby cause an undesired loss of handbrake force.

REFERENCES:
patent: 323659 (1885-08-01), Gathright
patent: 1229314 (1917-06-01), Norberg
patent: 1674831 (1928-06-01), Lounsbury
patent: 2184690 (1939-12-01), Varga
patent: 2954105 (1960-09-01), Massey
patent: 3454141 (1969-07-01), Guerrini
patent: 3466024 (1969-09-01), Spieth
patent: 3873079 (1975-03-01), Kuus
patent: 3918301 (1975-11-01), Baer
patent: 4456233 (1984-06-01), Muller

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