The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 04, 1979
Filed:
Aug. 15, 1977
Jacques V Cousin, Wervicq-Sud, FR;
Marcel E Decroix, Wervicq-Sud, FR;
Hyppolite P Gouy, Wervicq-Sud, FR;
Cousin Freres S.A., Wervic-Sud, FR;
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.