Title: Self-stripping punch and guide assembly

Abstract: A punching device for use in a fixed frame adapted to support punch means in alignment with a ram. An assembly of a punch, a guide and stripper plate and a stripping spring is removable as a unit. The assembly of this invention is characterized by means by which the assembly is retained together when removed from the frame of the punching machine. The assembly includes a quick release guide, a clip ring spring support retainer and a replaceable stripper plate.

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Inventors: Wilson, Kenneth J. (Roseville, MN, US)

Application Number: 812128
Filing Date: 1977-07-01
Publication_date: 1978-06-06
Assignee: Wilson Tool Company (St. Paul, MN)
Primary Class(es): 83/140 83/143, 83/588
Other Classes:
US Patent Ref:

3114280	Dec, 1963	Schott	83/140.
3958476	May, 1976	Bartha	83/143.
4007653	Feb, 1977	Cady	83/140.
4031787	Jun, 1977	Cady	83/140.

Other Refs:
Primary Examiner: Schran, Donald R.
Assistant Examiner:
Attorney: Burd, Braddock & Bartz