Reversible drill/driver tool

Details Reversible drill/driver tool Reversible drill/driver tool

1994-05-02

1995-11-28

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

054701805

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: 1805005 (1931-05-01), Phillips
patent: 3023015 (1962-02-01), Pankow
patent: 4092753 (1978-06-01), Fuhrmann
patent: 4107800 (1978-08-01), Jorgensen
patent: 4551875 (1985-11-01), Getz et al.
patent: 4573839 (1986-03-01), Finnegan
patent: 4605348 (1986-08-01), De Caro
patent: 4676703 (1987-06-01), Swanson
patent: 4852196 (1989-08-01), Martin
patent: 4954025 (1990-09-01), Crawford et al.
patent: 5038435 (1991-08-01), Crawford et al.
patent: 5097555 (1992-03-01), Dwyer
patent: 5129118 (1992-07-01), Walmesley

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