Drill steel idler guide

Details Drill steel idler guide Drill steel idler guide

1975-05-01

1976-04-20

Wood, Jr., M. H.

Cutlery

175220, 308 4A, F16C 2100

Patent

active

039514706

ABSTRACT:
A drill steel idler guide having an internal sleeve rotatably supported in a base by means of ball bearings fitting in opposed annular grooves in the sleeve and base, said sleeve having a bore through which a drill steel can slidably fit. Means is provided for directing pressure air through the base and into an annular space between the base and the sleeve.

REFERENCES:
patent: 2122150 (1938-06-01), Lippold
patent: 2248160 (1941-07-01), Crawford
patent: 3301102 (1967-01-01), Delara
patent: 3833070 (1974-09-01), Anderson

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