Cutters – for shaping – Rotary cutting tool – Including holder having seat for inserted tool
Patent
1995-08-16
1997-08-19
Howell, Daniel W.
Cutters, for shaping
Rotary cutting tool
Including holder having seat for inserted tool
407104, 407 48, 407 53, B23B 2722
Patent
active
056581009
ABSTRACT:
A cutting bit formed as a round plate for a material removal tool has a base body, which is defined by a bottom face, a top opposite it and spaced apart from it, and a side face between them. The side face, with a chip face located on the top, defines a circular cutting edge. For securing the bit, a central opening which can receive a securing screw, for instance, is provided. To secure the cutting bit in a tool body in a manner fixed against relative rotation, a plurality of depressions, for instance, are provided on the top of the cutting bit and can be engaged by a clamping claw supported on the tool body. Circumferential forces engaging the cutting bit are diverted by way of these depressions, thus preventing torsion or twisting of the cutting bit.
REFERENCES:
patent: 3488823 (1970-01-01), Wirfelt
patent: 3946472 (1976-03-01), Proulx et al.
patent: 4477212 (1984-10-01), Kraft
patent: 4552491 (1985-11-01), Parker
patent: 4606678 (1986-08-01), Zweekly
patent: 4697963 (1987-10-01), Luck
patent: 4988242 (1991-01-01), Pettersson et al.
patent: 5236288 (1993-08-01), Flueckiger
patent: 5456557 (1995-10-01), Bernadic et al.
Bohnet Siegfried
Deiss Siegfried
Durr Hans Peter
Schneider Thomas
Howell Daniel W.
Tsai Henry W. H.
Walter AG
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