Brakes – Position adjusters – Slack
Patent
1983-07-13
1985-03-12
Stoner, Jr., Bruce H.
Brakes
Position adjusters
Slack
72370, 188 718, 192111A, F16D 6538, F16D 5502, F16D 1375, B21B 1702
Patent
active
045039500
ABSTRACT:
In a brake booster (10) for an aircraft having an adjuster mechanism (24) with a tubular member (54) that engages a head (62) of a stem (40) to hold an actuator (20) in a fixed rest position after each brake application. The tubular member (54) has a plurality of openings (58, 58' . . . 58.sup.N) located at various intervals along its axis. The head (62) engages the tubular member to sequentially expand the material between the openings (58, 58' . . . 58.sup.N) on movement of the actuator (20) toward the friction disc in a brake. After the head (62) has passed an opening (58, 58' . . . 58.sup.N), the modulus of elasticity of the material is such that the material contracts to a neck down diameter that is substantially equal to the initial diameter of the tubular member (54) to constrain the tubular member (44) with respect to stem (40). Thereafter, any force which attempts to move actuator (20) from the rest position must be substantially equal to the actuation force.
REFERENCES:
patent: 3542165 (1970-11-01), Lucien
patent: 3958670 (1976-05-01), Anderson
patent: 3990547 (1976-11-01), Plaat
patent: 4180147 (1979-12-01), Tjarkson et al.
patent: 4192407 (1980-03-01), Crossman
patent: 4449616 (1984-05-01), Musser, Jr. et al.
Allied Corporation
Decker Ken C.
McCormick Jr. Leo H.
Oberleitner Robert J.
Stoner Jr. Bruce H.
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