Shank for a milling tool

Details Shank for a milling tool Shank for a milling tool

1994-04-21

1995-04-04

Bishop, Steven C.

Gear cutting, milling, or planing

Milling

With cutter holder

279 83, 408226, 408239R, 403362, B23B 31107, B23C 526

Patent

active

054031346

ABSTRACT:
A shank carries a milling tool and has a clamping portion adapted to be mounted in a bore of a chuck. The chuck has first and second locking screws which are engageable with first and second recesses, respectively, formed on a cylindrical outer surface of the clamping portion of the shank. The first recess is configured such that the first locking screw urges the clamping portion into the bore to press a surface of the shank against the chuck. The second recess comprises first and second longitudinally adjacent planar surfaces which form an angle with one another. Depending upon the angle of inclination of the second locking screw (that angle varies in different types of chucks), the second locking screw will flushly engage one or the other of the surfaces for preventing rotation of the shank within the bore.

REFERENCES:
patent: 3022084 (1962-02-01), Dresback
patent: 3811694 (1974-05-01), Dahlman et al.
patent: 4647052 (1987-03-01), Butikofer

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