Patents by Inventor Marcel E. R. Decroix

Marcel E. R. Decroix has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • High-speed apparatus for off-winding thread
    Patent number: 4176735
    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.
    Type: Grant
    Filed: August 15, 1977
    Date of Patent: December 4, 1979
    Assignee: Cousin Freres S.A.
    Inventors: Jacques V. L. Cousin, Marcel E. R. Decroix, Hyppolite P. Gouy