Brakes – Wheel – Axially movable brake element or housing therefor
Patent
1976-11-18
1977-12-27
Halvosa, George E. A.
Brakes
Wheel
Axially movable brake element or housing therefor
188 719, 188 727, 188196C, 192 7023, 192 7025, 192111R, F16D 6538
Patent
active
040649733
ABSTRACT:
A mechanically actuated disc brake includes a wedge actuator which urges an extensible, force transmitting member toward the disc brake rotor in order to effect a brake application. A ratchet mechanism is carried by the extensible member and by a piston slidably mounted within the brake housing. The ratchet mechanism is responsive to movement of the extensible member toward the rotor in access of a predetermined amount in order to effect elongation of the extensible member to limit retraction in the piston, so that retraction of the friction elements is similarly limited. The extensible member also cooperates with a manual adjustment mechanism which may be used to manually adjust the brakes or to "back-off" the extensible member to permit movement of the friction elements away from the disc in excess of the predetermined amount when the friction elements must be removed when the brake is serviced. The wedge actuating mechanism includes a pair of wedges and a reciprocable push rod which is thrust between the wedges to urge the latter apart when a brake application is effected.
REFERENCES:
patent: 2012011 (1935-08-01), Keller
patent: 2669327 (1954-02-01), Chamberlain et al.
patent: 3356193 (1967-12-01), Stowers
patent: 3362506 (1968-01-01), Mossey
patent: 3547229 (1970-12-01), Pollinger et al.
patent: 3709333 (1973-01-01), Buyze
patent: 3966028 (1976-06-01), Anderson et al.
patent: 3967705 (1976-07-01), Johannesen et al.
Deem Brian Charles
Latvala Bruce Earl
Markert Matthew Edward
Antonis William N.
Decker Ken C.
Halvosa George E. A.
The Bendix Corporation
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