All in one drill bit

Details All in one drill bit All in one drill bit

1989-02-17

1991-06-18

Paumen, Gary F.

Cutting by use of rotating axially moving tool

Tool-support with means to permit positioning of the tool...

Including tool-holding clamp and clamp actuator

408186, 408240, 408226, 279 46R, 81439, 81437, B23B 5112

Patent

active

050245660

ABSTRACT:
A selective drill bit attachment for a standard portable electric drill is provided and includes a housing for carrying a plurality of different sized drill bits in which one of the drill bits can be selected and manually extended into an operable position so as to be used by a standard portable electric drill. In a modification a locking mechanism is utilized to hold the selective drill bit stationary to the housing.

REFERENCES:
patent: 453622 (1891-06-01), Cheney
patent: 2303565 (1942-12-01), Luna
patent: 2346364 (1944-04-01), Dowe
patent: 2679770 (1954-06-01), Carter et al.
patent: 2851915 (1958-09-01), Martinez
patent: 3194286 (1965-07-01), Wagner
patent: 3750729 (1973-08-01), Lemieux
patent: 3753455 (1973-08-01), Butler
patent: 4572038 (1986-02-01), Graham
patent: 4604005 (1986-08-01), Russ
patent: 4762036 (1988-08-01), Orlitzky et al.

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