Apparatus for guiding a hand-held electric drill

Details Apparatus for guiding a hand-held electric drill Apparatus for guiding a hand-held electric drill

1979-01-03

1980-12-30

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

With stopping upon completion of prescribed operation

408 16, 408112, 408712, B23B 4900

Patent

active

042420164

ABSTRACT:
An apparatus is provided for use in conjunction with an electric drill to achieve precision drilling of holes at various desired angles in a workpiece. The apparatus comprises a base member which supports two pivoted, spring-containing columns bridged by a sliding carriage member carrying a spindle and chuck. The base member fits into an underlying anchoring means which assures accurate placement of the drill and steadiness of support. Hole indicator means, used in conjunction with said anchoring means enable precise location of hole sites on the workpiece.

REFERENCES:
patent: 833001 (1906-10-01), Press
patent: 1895990 (1933-01-01), Harcharick
patent: 2367582 (1945-01-01), Honyoust
patent: 2454372 (1948-11-01), Billeter
patent: 2849900 (1958-09-01), Heidtman, Jr.
patent: 2997900 (1961-08-01), Pugsley
patent: 3791755 (1974-02-01), Warren
patent: 3838935 (1974-10-01), Boyajian
patent: 3874810 (1975-04-01), Russell
patent: 4082474 (1978-04-01), Stiger

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