Electromagnetic clutches

Details Electromagnetic clutches Electromagnetic clutches

1978-10-18

1980-10-14

Herrmann, Allan D.

192 clutches and power-stop control

Clutches

Operators

F16D 2710

Patent

active

042276004

ABSTRACT:
An annular armature plate of an electromagnetic clutch is provided with circular grooves in an axial end surface corresponding to the location of concentric slits of a cooperating clutch element made of a magnetic materials to define magnetic pole pieces. The armature plate further includes corresponding press-formed circular projections on the opposite end surface thereof, in order to strengthen the magnetic attraction between the armature plate and the cooperating clutch element. The armature plate may be supported on and joined to a rotatable member by leaf springs and may be provided with pin-like projections formed on the axial end surface thereof to fix the leaf springs to the armature plate. A radial flange of the rotatable member supporting the armature plate may be provided with projections with flat end surfaces on which the leaf springs are fixed without the use of washers.

REFERENCES:
patent: 3044594 (1962-07-01), Bernard
patent: 3082933 (1963-03-01), Bernard
patent: 3530416 (1970-09-01), Klinkenberg
patent: 4069572 (1978-01-01), Pierce et al.

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