Device for fastening a chisel to a rotatable chisel block of a w

Details Device for fastening a chisel to a rotatable chisel block of a w Device for fastening a chisel to a rotatable chisel block of a w

1977-11-07

1979-07-24

Schran, Donald R.

Woodworking

Rotary cutter

Polygonal rotary cutter having t-slot bit clamp

83698, 144218, 144230, 241192, 407 44, B27G 1304

Patent

active

041619730

ABSTRACT:
A device for fastening a chisel to a rotatable chisel block of a wood working machine by means of a clamping bolt engaging a fastening slot in the chisel block, the shank of said bolt extending through an elongated hole in the chisel and by means of a clamping plate holding the chisel and having a transverse extension supporting set screws which engage a rearwardly diverging safety face of the chisel wherein the transverse extension has safety cams engaging recesses in the fastening slot so that the transverse extension is locked in place in a radial direction.

REFERENCES:
patent: 271199 (1883-06-01), Green
patent: 400567 (1889-04-01), Haskell
patent: 1716192 (1929-06-01), Schupp

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