Screw cutter die head

Details Screw cutter die head Screw cutter die head

1988-07-21

1989-11-14

Combs, E. Michael

Cutting by use of rotating axially moving tool

Tool-support with means to move tool relative to tool-support

To move radially

10 96R, 101205R, 408149, 408177, B23G 512

Patent

active

048803405

ABSTRACT:
A screw cutter die head comprising an annular body portion, a ring member formed with several cam ridges and angularly movable relative thereto and several chasers held by said body member to be radially movable by engagement of a cam recess formed in each chaser with each of said cam ridges is in public knowledge. When it is necessary to process the work of far larger or smaller diameter in the known die head, the chasers must be exchanged with the others formed with the cam recess nearer to the cutting edges or more apart therefrom. The invention provides the chasers formed with a plurality of recesses and the ring member formed with the corresponding number of notches to be engaged with the latch for fixing it.

REFERENCES:
patent: 576924 (1987-02-01), Wagner
patent: 896711 (1908-08-01), Church
patent: 948394 (1910-02-01), Hoefer
patent: 962184 (1910-06-01), Wells
patent: 1146871 (1915-07-01), Hart
patent: 1844419 (1932-02-01), Borden
patent: 2855611 (1958-10-01), Bjalme
patent: 4288181 (1981-09-01), Sakaguchi et al.

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