192 clutches and power-stop control – Clutch and brake
Patent
1977-08-15
1979-12-04
Wyche, Benjamin W.
192 clutches and power-stop control
Clutch and brake
361144, F16D 6706
Patent
active
041767357
ABSTRACT:
An apparatus for off-winding thread which comprises a driving shaft, a drive means for rotating the driving shaft, a driven shaft, an electrically operated clutch interconnecting said driven and driving shaft, an electrically operated brake connected to said driven shaft, and an electronic control circuit. The control circuit comprises three parts connected to the said clutch and brake. The first part of the control circuit is connected to the said clutch and incorporates an integrating circuit for producing gradual engagement of the clutch. The second part of the control circuit is connected to the said brake and incorporates a pulse generating circuit for producing a large temporary braking force. The third part of the control circuit is also connected to the said brake and incorporates a constant signal generator for producing a small constant braking force.
REFERENCES:
patent: 2828846 (1958-04-01), Viguers et al.
patent: 2880595 (1957-04-01), McGuffey et al.
patent: 2946418 (1960-07-01), Leeson
patent: 3329247 (1967-07-01), Jaeschke
patent: 3379292 (1968-04-01), Grygerva
patent: 3516526 (1970-06-01), Seesselberg
patent: 3704770 (1972-12-01), Spencer
patent: 3989129 (1976-11-01), Brandenstein
patent: 4023659 (1977-05-01), Arnold
Cousin Jacques V. L.
Decroix Marcel E. R.
Gouy Hyppolite P.
Cousin Freres (S.A.)
Wyche Benjamin W.
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