Screw-threaded cutting dieheads

Details Screw-threaded cutting dieheads Screw-threaded cutting dieheads

1975-04-17

1976-08-31

Lanham, C.W.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having inversely angled cutting edge

10100, 10121, 408148, 408153, 408178, B23G 128, B23G 512

Patent

active

039770320

ABSTRACT:
A diehead for use on a machine tool for cutting screw threads and having thread chaser carriers mounted on a body for pivotal movement about spaced parallel axes, means being provided for pivoting the carriers through a range of movement between operative and inoperative positions. The diehead includes locking means arranged so as normally to retain the carriers in position in the body and to permit removal of the carriers in an axial direction when they are pivoted beyond said range of movement.

REFERENCES:
patent: 1979024 (1934-10-01), Bysshe et al.
patent: 3580690 (1971-05-01), McClure
patent: 3681802 (1972-08-01), Youtz et al.
patent: 3696454 (1972-10-01), Youtz et al.
patent: 3731329 (1973-05-01), Youtz et al.

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