Conical wedge lock for cutter blade

Details Conical wedge lock for cutter blade Conical wedge lock for cutter blade

1982-09-30

1984-12-11

Vlachos, Leonidas

Cutters, for shaping

Rotary cutting tool

Including holder having seat for inserted tool

407 41, 407 49, B26D 100

Patent

active

044875320

ABSTRACT:
A locking device for holding a blade inserted in an axial groove in a cutting body is disclosed. The blades are usually helical and require a locking device that gives line contact between the locking device and the blade since such blades are made of carbide material which is quite brittle and would be distorted and fractured if the blade was contacted over a wide area. The locking devices are frustoconical in shape and have a screw holding them positively in position. The screw has a left hand thread on one end and a right hand thread on the other so that when the screw is rotated in one direction it loosens the clamping device and when it is moved in the other direction it tightens it.

REFERENCES:
patent: 1089527 (1914-03-01), Bolton
patent: 1422988 (1922-07-01), Kienzl
patent: 2617631 (1952-11-01), Shepherd
patent: 2751006 (1956-06-01), Lane
patent: 3195376 (1965-07-01), Bader
patent: 3273223 (1966-09-01), Wright
patent: 3672017 (1972-06-01), Nielsen et al.

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