Drill adjusting tool

Details Drill adjusting tool Drill adjusting tool

1981-12-14

1983-11-01

Parker, Roscoe V.

Metal tools and implements, making

Machines

Drill-forming or sharpening

72317, 33178B, B21K 506

Patent

active

044124627

ABSTRACT:
The disclosure describes a core drill adjusting tool formed of a base plate of a predetermined size and thickness with a plurality of recesses of different diameters for testing a core drill and a frustum affixed thereto over which the cutting surfaces can be spread, an amount indicated by the testing recesses, by applying the cutting surfaces forcefully over the frustum.

REFERENCES:
patent: 1232235 (1917-07-01), Davies
patent: 1388437 (1921-08-01), Nell
patent: 1502648 (1924-07-01), Smith
patent: 2121817 (1938-06-01), Nast
patent: 2350415 (1944-06-01), Paulsen
patent: 2364129 (1944-12-01), Catlin et al.
patent: 2509932 (1950-05-01), Leeth
patent: 2580412 (1952-01-01), Darmody

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