Tapered thread cutting machine

Details Tapered thread cutting machine Tapered thread cutting machine

1982-06-25

1985-07-02

Briggs, William R.

Cutting by use of rotating axially moving tool

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

To move radially

10 95, 10111, 408153, 408221, B23G 508

Patent

active

045264961

ABSTRACT:
A tapered thread cutting machine includes a multi-part rotary machining head, one part including a through-recess and another being a separable interior wear plate. Interacting chaser holders are mounted in the recess and include angled V-shaped slots in which block type chasers may be secured between clamps and locating pins enabling the chasers to be removed and replaced without removing the holders from the recess. The holders are driven by a linear cam for opening and closing movement through a thrust block mounted on a guide rod, such thrust block being fitted in a slot in one holder but otherwise not secured thereto so that binding in the opening and closing of tool holders is minimized.

REFERENCES:
patent: 1492426 (1924-04-01), Cashman
patent: 1937418 (1933-11-01), Warren
patent: 2093506 (1937-09-01), Bartek
patent: 2242954 (1941-05-01), Ingwer
patent: 2848726 (1958-08-01), Reimschissel
patent: 2864102 (1958-12-01), Budnick
patent: 3107374 (1963-10-01), Neef
patent: 3580690 (1971-05-01), McClure
patent: 3696454 (1972-10-01), Youtz et al.
patent: 3735436 (1973-05-01), Louys
patent: 4282618 (1981-08-01), Wagner

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