Spring-loaded brake cylinder

Details Spring-loaded brake cylinder Spring-loaded brake cylinder

1978-10-27

1980-10-07

Maslousky, Paul E.

Expansible chamber devices

With separate biasing means for working member

92116, 188170, F16J 110, F01B 3100

Patent

active

042261686

ABSTRACT:
A spring-loaded brake cylinder particularly for the air brake system of a railway vehicle has a piston slidable within a housing and a threaded shaft and nut assembly between the piston and a piston rod. The nut is carried upon a non-self-locking thread on the threaded shaft and either the shaft or nut is rotatable and the other is non-rotatable. A loading spring has one end supported by a portion of the housing and secured against axial displacement and has a second end acting against the piston. A selectively operable rotary coupling is disposed in the path of the torque resulting from the force exerted by the spring acting upon the shaft and nut assembly so that the shaft and nut are free to rotate with respect to each other when the rotary coupling is actuated.

REFERENCES:
patent: 3994206 (1976-11-01), Dahlkvist et al.
patent: 4063491 (1977-12-01), Roger et al.

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