Tapping device

Details Tapping device Tapping device

1976-08-16

1978-05-23

Simpson, Othell M.

Cutting by use of rotating axially moving tool

Tool or tool with support

With pitch-stabilizing ridge

10 1B, 10141R, 408 79, B23D 7714

Patent

active

040908089

ABSTRACT:
A tapping device having at least two components for use in rethreading damaged threads in a tapped opening or for tapping an opening in a workpiece, wherein the thread cutting member is inserted into the opening and its cutting surface is held in place and is pressed against the work surface by one or more guide members that have also been inserted into the opening and wedged tightly adjacent the cutting member. The cutting member and the guide member are then rotated as a unit and threads are tapped or retapped in the work surface.

REFERENCES:
patent: 128379 (1872-06-01), Faburn
patent: 2379908 (1945-07-01), Johnson
patent: 3829921 (1974-08-01), Delaney

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