Electromagnetic clutch

Details Electromagnetic clutch Electromagnetic clutch

1982-04-23

1984-09-18

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Progressive engagement

192 84C, 192 84R, F16D 2710

Patent

active

044718608

ABSTRACT:
An electromagnetic clutch comprises a driving member (1) comprising a pulley yoke (105) and a touching part (103), an electromagnet (2) magnetically coupled to the yoke (105), a driven member (4) to be connected to a shaft of a load machine and having at least two ring-shaped armatures, an inner armature (7) and an outer armature (8) independent movably connected by a spring member (5) to said driven member (4); and by making the attracting motion characteristic of the two armatures different from each other, a clutching face of the inner armature (7) firstly contact the touching part (103) and that of the outer armature (8) subsequently contact the same, thereby attaining gradual and gentle coupling.

REFERENCES:
patent: 3044594 (1962-07-01), Bernard
patent: 3055475 (1962-09-01), Pitts
patent: 3205989 (1965-09-01), Mantey
patent: 4190141 (1980-02-01), Bennett et al.
patent: 4273226 (1981-06-01), Takefuta et al.
patent: 4285421 (1981-08-01), Halsted

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