Adjustable die head

Details Adjustable die head Adjustable die head

1994-05-13

1996-01-02

Bishop, Steven C.

Cutting by use of rotating axially moving tool

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

To move radially

408221, 408713, 470190, B23G 510

Patent

active

054802717

ABSTRACT:
An adjustable die assembly having a ring structure with a clear central aperture for locating the ring structure along an axial length of a rod to have threads repaired or cut, and having a plurality of thread cutting chaser inserts connected to tool blocks which are slidable radially on said ring, each tool block connected to a threaded adjustment shaft, threaded into said ring for adjusting the radial position of each chaser insert. Alternatively, each threaded adjustment rod can be provided with a pinion gear, and a rim gear can be in mesh with each pinion gear, and a gear device can be provided for turning the rim gear to simultaneously adjust all chasers radially.

REFERENCES:
patent: 2864102 (1958-12-01), Budnick
patent: 3812547 (1974-05-01), Reich
patent: 4531863 (1985-07-01), Smith
patent: 5112162 (1992-05-01), Hartford et al.

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