Movable disc for electromagnetic clutch/brake

Details Movable disc for electromagnetic clutch/brake Movable disc for electromagnetic clutch/brake

1983-02-25

1985-12-10

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Operators

74574, 188218A, 192 30V, 192107R, F16D 312, F16D 2714

Patent

active

045573603

ABSTRACT:
A movable disc for a friction type electromagnetic clutch/brake is designed for preventing the production of grating sounds from the movable disc. The movable disc includes a rotary armature being movable in a predetermined direction by the application of electromagnetic force, a friction material stuck onto one side surface of the rotary armature, an elastic member supported on one side surface of the rotary armature to the side opposite to the friction material, a face plate fitted to the rotary armature so as to urge the elastic member to the rotary armature. Perforations are formed in the face plate to reduce its mass and the surface area contacting to the elastic member thereby attaining a rapid start up and good periodic damping characteristic.

REFERENCES:
patent: 2338470 (1944-01-01), Urquhart et al.
patent: 2739683 (1956-03-01), Gamundi
patent: 2904138 (1959-09-01), Wilson
patent: 2921659 (1960-01-01), Gutmann
patent: 2998877 (1961-09-01), Ryba
patent: 3085667 (1963-04-01), Lang
patent: 3378116 (1968-04-01), Hennig
patent: 3543901 (1970-12-01), Lengsfeld et al.

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