Countersinking tool

Details Countersinking tool Countersinking tool

1978-06-22

1980-04-08

Briggs, William R.

Cutting by use of rotating axially moving tool

Tool or tool with support

With work-engaging structure detachable from cutting edge

407104, 408211, 408225, 408713, B23B 5110

Patent

active

041970420

ABSTRACT:
A countersinking tool comprises a disposable, flat, chip-like cutting insert mounted on a holder rotatable about its axis. The insert is readily assembled or disassembled on the holder by turning a pin which extends through holes in the insert and the holder. The insert has a flat inside surface for seating on a flat surface on the holder, and the insert has a pair of flat, peripheral side surfaces each of which engages against a respective flat surface or locating portion on the holder to locate the insert in a cutting disposition on the holder. The insert and the holder have various features which cooperate to promote the countersinking function.

REFERENCES:
patent: 1047466 (1912-12-01), Wagner
patent: 1049124 (1912-12-01), Merriam
patent: 1471471 (1923-10-01), Adams
patent: 2374761 (1945-05-01), Lusa
patent: 2437364 (1948-03-01), Smith
patent: 2443257 (1948-06-01), Leo
patent: 3018675 (1962-01-01), Klages
patent: 3299489 (1967-01-01), Pohle
patent: 3341920 (1967-09-01), Kelm
patent: 3343431 (1967-09-01), Boyer
patent: 3540323 (1970-11-01), Rishel

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