Title: Helical spring coupling with programmable control collar

Abstract: The control collar of a helical spring clutch is defined in part by a series of rings having radially projecting stop lugs which coact with an interposer. The rings may be adjusted angularly relative to one another to cause the lugs to effect successive disengagements of the clutch as the output member of the clutch is rotated through a selectively adjustable number of steps of selectively adjustable angular length.

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Inventors: Keeny, III, Harry F. (Turnersville, NJ, US)

Application Number: 936491
Filing Date: 1978-08-24
Publication_date: 1980-03-04
Assignee: Warner Electric Brake & Clutch Company (South Beloit, IL)
Primary Class(es): 192/26 192/22, 192/33C
Other Classes:
US Patent Ref:

3340975	Sep, 1967	Erickson	192/81.
3545580	Dec, 1970	Baer	192/26.
3559781	Feb, 1971	Brunelle	192/26.
3797618	Mar, 1974	Peterson	192/12.

Other Refs:
Primary Examiner: Wyche, Benjamin
Assistant Examiner:
Attorney: Leydig, Voit, Osann, Mayer & Holt, Ltd.