Title: Mechanical clutch for cyclic machines

Abstract: Single revolution clutch mechanisms are conventionally employed in machines such as punch presses and the like. Such clutches are usually provided with single stroke mechanisms so that an operator must release the "RUN" buttons before a subsequent cycle can be initiated. The present invention shows apparatus which prevents the initiation of a subsequent cycle of operation whenever the single stroke mechanism comes into operation. A latch is released upon such operation of the single stroke mechanism which prevents operation of the cycle-initiating means by the operator and requires the services of a maintenance man at the clutch mechanism to restore the clutch-iniatiating and single stroke mechanism to operating condition.

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Inventors: Jones, Jr., Clarence O. (Eggertsville, NY, US)

Application Number: 647893
Filing Date: 1976-01-09
Publication_date: 1977-03-22
Assignee: Niagara Machine & Tool Works (Buffalo, NY)
Primary Class(es): 192/24 74/526, 192/33R, 192/129R
Other Classes:
US Patent Ref:

991879	May, 1911	Niemeyer	192/24.
1367309	Feb, 1921	Dunham	192/24.
1939006	Dec, 1933	Hawkins	192/24.
2057905	Oct, 1936	Munschauer	192/24.
2917944	Dec, 1959	Hills	74/526.
3147836	Sep, 1964	Atkinson	192/129.

Other Refs:
Primary Examiner: Herrmann, Allan D.
Assistant Examiner:
Attorney: Christel & Bean