Power drill-saw with simultaneous rotation and reciprocation act

Details Power drill-saw with simultaneous rotation and reciprocation act Power drill-saw with simultaneous rotation and reciprocation act

1996-07-12

1997-10-14

Bishop, Steven C.

Cutting by use of rotating axially moving tool

Convertible cutting means

Utilizing common cutting tool

74 22R, 144 352, 408 26, B23B 4516

Patent

active

056764979

ABSTRACT:
The invention disclosed herein is a simple but versatile sawing device for effectively and efficiently cutting or sawing hard solid materials. A driving mechanism consisting of three slidably-associated elements converts a rotational force into a dual rotatory/reciprocatory motion. A cam key may be disengaged to permit the device to be used to drill into a surface. Also disclosed is a novel cutting-rod element that is a hard metal rod with cutting teeth of a unique shape on its surface.

REFERENCES:
patent: 2238578 (1941-04-01), Burkeman
patent: 2629113 (1953-02-01), Chafins
patent: 2918955 (1959-12-01), Simas
patent: 2970483 (1961-02-01), Schrum, Sr.
patent: 3260289 (1966-07-01), Whitten, Jr.
patent: 3327749 (1967-06-01), Hunn
patent: 3704517 (1972-12-01), Deterling

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