Reversible drill/driver tool

Details Reversible drill/driver tool Reversible drill/driver tool

1995-05-11

1998-07-14

Howell, Daniel W.

Cutting by use of rotating axially moving tool

Tool-support

With tool-retaining means

7165, 279 14, 279 75, 279 82, 408240, B23B 3110

Patent

active

057794049

ABSTRACT:
An improved two-ended reversible drill/driver tool for use with power drills. The tool having a hollow cylindrical socket that at one end has a drive shank for insertion into a chuck of a powered drill, and, at the opposite end, has a polygonally shaped opening therein for receiving a correspondingly shaped, two-ended, reversible tool assembly. This tool assembly is sized to slide within the hollow socket, and has a combined drill bit and countersink at one end, and, at the other end, a polygonally shaped opening for accepting a screw driver bit having a shank with a polygonal cross section.

REFERENCES:
patent: 2224480 (1940-12-01), Kartarik
patent: 2338765 (1944-01-01), Hartman
patent: 2792726 (1957-05-01), Vick
patent: 2826104 (1958-03-01), Morin
patent: 4353670 (1982-10-01), Jorgensen
patent: 4573839 (1986-03-01), Finnegan
patent: 5470180 (1995-11-01), Jore
patent: 5586847 (1996-12-01), Mattern, Jr. et al.

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