Guide attachment for portable power drills

Details Guide attachment for portable power drills Guide attachment for portable power drills

1977-03-11

1978-02-07

McGehee, Travis S.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Movable relative to tool along tool-axis

B23B 4514

Patent

active

040724409

ABSTRACT:
A reliable, inexpensive drill attachment for positioning a portable power drill relative to an article to be drilled includes adjustable means for aligning the attachment relative to the axis of the drill and an improved base for supporting the drill to accurately align and hold the drill axis in a normal position relative to a flat surface to be drilled or to a cylindrical or compound curved surface such as a spherical surface. A plurality of feet are positioned at various locations on the base to enable the attachment to adapt to various surfaces.

REFERENCES:
patent: 2430812 (1947-11-01), Goldberg
patent: 2680435 (1954-06-01), Gonzalez
patent: 2837939 (1958-06-01), Leitner et al.
patent: 2997900 (1961-08-01), Pugsley
patent: 3746460 (1973-07-01), Lipe
patent: 3874810 (1975-04-01), Russell

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