Cutlery – Cutting tools – Saw
Patent
1989-11-29
1990-11-27
Watts, Douglas D.
Cutlery
Cutting tools
Saw
30505, B23D 4516
Patent
active
049725882
ABSTRACT:
An apparatus is set forth for the precision aperture cutting through drywall in contemporary dwelling construction. The apparatus includes a self-contained, elongate housing defined by a rechargeable battery organization contained therewithin for selectively actuating a rotary cutting blade mounted by a rotatable shaft transversely of the housing, wherein the blade is offset relative to the housing and lies in a plane generally parallel to the axis of the housing. A modification of the instant invention includes a slidable positioning foot arrangement telescopingly receivable within a tubular sleeve for positioning the saw at a desired depth relative to the drywall and stabilizing the blade relative to the drywall surface.
REFERENCES:
patent: 1358866 (1920-11-01), Masland
patent: 1763730 (1930-06-01), Von Lackum
patent: 3623518 (1971-11-01), Nicotra
patent: 4084123 (1978-04-01), Lineback et al.
patent: 4555849 (1985-12-01), Ando et al.
patent: 4834773 (1989-05-01), Akerberg et al.
Fridie Jr. Willmon
Gilden Leon
Watts Douglas D.
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