Adjustable electromagnetic clutch/brake

Details Adjustable electromagnetic clutch/brake Adjustable electromagnetic clutch/brake

1982-07-27

1985-12-03

Krizmanich, George H.

192 clutches and power-stop control

Clutch and brake

192110R, B60K 4124, F16D 1375

Patent

active

045561320

ABSTRACT:
An electromotive control drive mechanism, in particular for industrial sewing machines, comprises a continuously drivable motor and a brake/clutch unit connected therewith. A clutch disk connected in a rotationally fixed manner with a driven shaft can, by axial movement and by overcoming a clutch air gap, be brought into frictional engagement with a clutch support which is connected in a rotationally fixed manner with the rotor of the motor. A brake disk connected in a rotationally fixed manner with the driven shaft can be brought into frictional engagement with a brake support which is rotationally fixed. A clutch coil and a brake coil are also provided. In order to reduce the expense of the brake/clutch unit without burdensome actuation noises arising, only one clutch/brake disk is provided, and mechanisms are provided for adjusting the clutch air gap and the automatic readjustment of the clutch air gap.

REFERENCES:
patent: 3253686 (1966-05-01), Scheuerer
patent: 3387157 (1968-06-01), Cook et al.
patent: 3410380 (1968-11-01), Kooistra
patent: 3512618 (1970-05-01), Schafer
patent: 3543901 (1968-09-01), Lengsfeld
patent: 3750781 (1973-08-01), Lengsfeld

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