Disc brakes for vehicles

Details Disc brakes for vehicles Disc brakes for vehicles

1980-12-30

1982-12-14

Reger, Duane A.

Brakes

Wheel

Axially movable brake element or housing therefor

188 726, 188106F, F16D 5518

Patent

active

043633820

ABSTRACT:
In a disc brake the application of the brake is initiated by angular movement of pressure plates in opposite directions, the pressure plates then moving apart into engagement with friction discs which are urged into engagement with opposed radial surfaces in a stationary housing. The angular movement is effected hydraulically by an actuator comprising a piston working in a bore of a cylinder, the axis of which is substantially at right angles to that of the brake. The piston acts through a part-spherical rocking thrust coupling associated with a pull-rod passing through the actuator with a substantial clearance, the inner end of the pull-rod being pivotally coupled to the junction of a pair of toggle links connected between lugs on the pressure plates. The outer end of the pull-rod is extended for connection through a transmission member to a hand lever for applying the brake mechanically. A thrust member is disposed between the piston and the spherical rocking coupling and is engageable with a thrust transmitting force on the piston for sliding movement in a transverse direction with respect to the axis of the cylinder to accommodate angular movement of the pull-rod when the brake is applied.

REFERENCES:
patent: 4004657 (1977-01-01), Ostrowski
patent: 4089392 (1978-05-01), Ostrowski

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