Brakes – Wheel – Transversely movable
Patent
1994-09-13
1996-03-12
Graham, Matthew C.
Brakes
Wheel
Transversely movable
188196B, F16D 6538
Patent
active
054978599
ABSTRACT:
A hydraulic brake actuator which includes a cylinder, two pistons which are in the cylinder and which are movable apart by hydraulic pressure in the cylinder, a toothed rod which is engaged with one piston and which is movable to a limited extent axially relatively thereto, and a pawl which is secured to the other piston and which is engaged with the toothed rod, the rod and the pawl permitting the two pistons to move apart, but to move towards each other only to a limited extent.
REFERENCES:
patent: 1668730 (1928-05-01), Pearson
patent: 2138206 (1938-11-01), Rasmussen et al.
patent: 2404326 (1946-07-01), Taylor
patent: 2741338 (1956-04-01), Taylor
patent: 4056175 (1977-11-01), Newstead et al.
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