Brakes – Wheel – Axially movable brake element or housing therefor
Patent
1975-01-30
1976-04-27
Blix, Trygve M.
Brakes
Wheel
Axially movable brake element or housing therefor
188 723, 188196P, F16D 6554
Patent
active
039528413
ABSTRACT:
A brake assembly having a friction disc mounted on a rotatable wheel, a friction element selectively movable into frictional engagement with the friction disc to apply a braking force, an actuator for moving the friction element into engagement with the friction disc, and biasing springs for retracting the friction element from such engagement. The actuator includes an open-ended hollow piston member and a cylinder housing slidably supporting the piston member. A shaft-like member is removably connected to the housing and extends into the cavity and the open end of the piston member to a distal end. The piston has a recess extending thereinto from the open rear end to define a first shoulder. A gripping member engages the shaft-like member for moving along the shaft-like member only in the direction toward the distal end of the shaft-like member. The piston also has a groove extending inwardly from the recess and axially spaced from the first shoulder. A retaining ring is removably disposed in the groove to provide a second shoulder for defining a channel between the shoulders. The gripping member includes a support portion disposed in the channel for movement between the shoulders. Thus, the gripping member may move along the shaft-like member to compensate for wear of the friction element, yet the friction element is allowed to retract out of engagement with the friction disc as the support portion of the gripping member moves axially in the channel between the first and second shoulders and the components may be easily assembled and disassembled.
REFERENCES:
patent: 2984319 (1961-05-01), Butler
patent: 3064768 (1962-11-01), Dotto
patent: 3243017 (1966-03-01), Kleinstuck
patent: 3338352 (1967-08-01), Guilhamat
patent: 3722637 (1973-03-01), Kershner
patent: 3756353 (1973-09-01), Bombassei et al.
patent: 3788429 (1974-01-01), Brooks et al.
Blix Trygve M.
Kazenske Edward R.
United States Steel Corporation
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