Roger D Havner

US Patent:

44559046, Jun 26, 1984

Filed:

Sep 30, 1982

Appl. No.:

6/431796

Inventors:

Charles W. Havner - Jackson TN
Roger R. Havner - Jackson TN

International Classification:

B26D 314

US Classification:

83375

Abstract:

A safety attachment for use with cutting apparatus having a cutting member adapted to reciprocate particularly with respect to a fixed frame structure including a support bar mounted for movement with the cutting apparatus and the cutting apparatus having successive cutting positions so that the support bar has successive work positions, at least one bell crank having one end pivotally coupled to the support bar, having its fulcrum provided with a connecting link for fixedly positioning the fulcrum in spaced relation from a reference point on the cutting apparatus, and having the other end of the bell crank free and containing an aperture therein, a working rod threaded at one end and threadedly engaging a coupling link and an intermediate portion proximate the other end of the working rod adjustably engaging in slidable relation with a support rod having a pivot coupled to said aperture, and rabbet holder means being supported in a transverse slot in a working area and having a linking coupling between the rabbet holder means and the threadedly engaging coupling.