Title: Stock sensing device

Abstract: An apparatus for sensing sufficient chucking stock in a rotating work-holding chuck having a self-contained circular plate assembly adapted to the face of the work-holding chuck, wherein a clearance bore is provided through the plate assembly to permit passage of machining stock and a radially movable indicator pin is provided within the plate assembly to detect the presence of machining stock within the clearance bore. The radially movable indicator pin will urge a trip plunger out of the circumferential surface of the plate assembly when no stock is present, and a limit switch will be tripped by the trip plunger to signal the absence of chucking stock.

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Inventors: Cox, Joseph Henry (Cincinnati, OH, US)

Application Number: 506286
Filing Date: 1974-09-16
Publication_date: 1976-09-21
Assignee: Cincinnati Milacron, Inc. (Cincinnati, OH)
Primary Class(es): 200/61.41 82/165, 200/61.58R
Other Classes:
US Patent Ref:

3187128	Jun, 1965	Hammer	200/80.
3424883	Jan, 1969	Heskett	200/81.
3761654	Sep, 1973	Davis	200/61.

Other Refs:
Primary Examiner: Scott, James R.
Assistant Examiner:
Attorney: Farrell; Thomas M.