Tap chuck crank

Details Tap chuck crank Tap chuck crank

1988-05-09

1990-11-06

Blinsky, Z. R.

Cutting by use of rotating axially moving tool

Miscellaneous

Drill guide

408215, 10123R, 279 1K, 81 16, B23G 144

Patent

active

049681940

ABSTRACT:
A hand crank for use on a drill press mounted chuck during a tapping operation. The crank comprises a body having an aperture which permits the crank to be installed on and in surrounding relationship to the drill press chuck body. A spring biased pin enters into the wrench anchor hole of the chuck body to secure the crank to the chuck. The illustrated crank has four equally spaced radial arms.

REFERENCES:
patent: 167165 (1875-08-01), Grant
patent: 2463728 (1949-03-01), Wallin
patent: 2826950 (1958-03-01), McClintock
patent: 3179430 (1965-04-01), Zierden
patent: 3653780 (1972-04-01), Ammatuna
patent: 3733142 (1973-05-01), Hoglund
patent: 3788760 (1974-01-01), Daniels
patent: 3804544 (1974-04-01), Adams
patent: 4345445 (1982-08-01), Warthen
patent: 4380991 (1983-04-01), Richter et al.
patent: 4411298 (1983-10-01), Ellingsen et al.
patent: 4702131 (1987-10-01), Snow

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