Truck mounted air cylinder and slack adjuster

Brakes – Position adjusters – Slack

Patent

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Details

188203, F16D 6574

Patent

active

045707634

ABSTRACT:
A truck mounted air cylinder and slack adjuster incorporates an elongated brake operating member adapted to apply a brake applying thrust to the brake beams. An air cylinder is mounted to the truck and a threaded rod is attached to the brake operating member and extends into the air cylinder. A drive member is positioned within the air cylinder and is in sealing relationship with the cylinder walls. The drive member is movable within the cylinder in response to a brake application air pressure applied thereto. A clutch connecting the threaded rod to the drive member for concurrent axial movement with the clutch provides for rotation of the rod relative to the drive member. A slack adjuster is associated with the cylinder and the rod. The slack adjuster cooperates with the clutch to extend the rod relative to the elongated brake operating member in response to a slack condition sensed by the slack adjuster during a brake application.

REFERENCES:
patent: 2684132 (1954-07-01), Snyder
patent: 3401775 (1968-09-01), Sobol et al.
patent: 3744596 (1973-07-01), Sander
patent: 3891067 (1975-06-01), Axelsson
patent: 4005767 (1977-02-01), Farello
patent: 4064973 (1977-12-01), Deem et al.
patent: 4385548 (1983-05-01), Persson et al.
patent: 4431089 (1984-02-01), Nados et al.

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