Clamping tool holder for reversible cutting element

Metal working – Upholstered article making – Tufting

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B26D 100

Patent

active

039733092

ABSTRACT:
A shank has a support surface for an apertured reversible cutting element and has a hole opening into the support surface at an acute angle. A clamping stud has a clamping head which is engageable in the aperture of the cutting element and has a shaft which is displaceably guided in the hole in the support surface. A control screw is adjustably mounted in the shank beside the shaft of the clamping stud, in operative engagement with the shaft. An annular groove on the surface of the control screw is engaged by the single tooth formed in the shaft of the clamping stud by two milled recesses. The control screw has smooth-walled cylindrical peripheral surface portions on both sides of said groove which are in engagement with the bottom surfaces of said recesses.

REFERENCES:
patent: 3280450 (1966-10-01), Sirola
patent: 3314126 (1967-04-01), Stier
patent: 3906602 (1975-09-01), Kummer

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