Double ended drill stop

Details Double ended drill stop Double ended drill stop

1978-08-18

1979-09-18

Vlachos, Leonidas

Cutting by use of rotating axially moving tool

Processes

Bit detachable

408202, 408241S, B23B 4700

Patent

active

041681312

ABSTRACT:
A drill stop having a dimple arranged so that the drill stop can be utilized after the drill has been ground to a shorter length. A cylindrically shaped tubular member is provided with a dimple off center with respect to the longitudinal axis which dimple provides an interference fit in the drill flute along the run out ramp portion of the flute adjacent the shank end of the drill. A further dimple opposite the first dimple may be utilized to reinforce the function of the first dimple.

REFERENCES:
patent: 1267704 (1918-05-01), Skrukrud
patent: 3301101 (1967-01-01), McEwen
patent: 4123193 (1978-10-01), Hill

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