Combined screwdriver and boring apparatus

Details Combined screwdriver and boring apparatus Combined screwdriver and boring apparatus

1979-10-22

1982-04-20

Parker, Roscoe V.

Compound tools

With screwdriver

81438, 81439, 81461, 411403, 411408, B25F 100, B25B 1502

Patent

active

043251536

ABSTRACT:
A combined screwdriver and boring apparatus comprising a tool having a handle, removable cutting and screwing blades, each of the blades having both downwardly tapered cutting edges thereon and an elongated tip adapted to enter a hole in the slotted head of a screw for both preforming a seat for the threaded shank of a screw, keying the screw to the blade for holding the screw to the blade when initiating screwing and flat surfaces engaging the slot in the screw for screwing the same.

REFERENCES:
patent: Re6730 (1875-11-01), Cummings
patent: 74490 (1868-02-01), Bidwell
patent: 322914 (1885-07-01), Cutter
patent: 619416 (1899-02-01), Hunter
patent: 994804 (1911-06-01), Wahlstrom
patent: 1260154 (1918-03-01), Day
patent: 1797390 (1931-03-01), Wood
patent: 1908081 (1933-05-01), Thompson
patent: 2792861 (1957-05-01), Baker
patent: 2800829 (1957-07-01), West
patent: 3175593 (1965-03-01), Launay

Affiliated with

Also associated with

Rating

Combined screwdriver and boring apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Combined screwdriver and boring apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combined screwdriver and boring apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1257295