Cutlery – Pipe and rod cutters – Rotary
Patent
1994-02-10
1996-03-19
Watts, Douglas D.
Cutlery
Pipe and rod cutters
Rotary
30103, B23D 2110
Patent
active
054994535
ABSTRACT:
The herein referenced invention belongs in general relation to tubing cutters. The invention specifically relates to an internal tubing cutter, one which is lightweight and portable and adapted for cutting synthetic resin pipe and toilet flanges. The apparatus has a plurality of radially extensible and retractable cutting means (14), snub pins (24), guide channels (22), and connecting arbor (10). Several blades rotating perpendicular to the central vertical axis facilitate the means to shear the flanged drainage pipe. A reference disk (12) provides an adequate stop for the tool when depended into the downcomer, provides additional stability, and provides protection to the user from any airborne material.
REFERENCES:
patent: Re29803 (1928-10-01), Breese
patent: 3406449 (1968-10-01), Doerner
patent: 3911574 (1975-10-01), Jones
patent: 4424629 (1984-01-01), Schott
patent: 4446620 (1984-05-01), Velte
patent: 4455746 (1984-06-01), Idzik
patent: 4467682 (1984-08-01), Huggins
patent: 4577406 (1986-03-01), Idzik
patent: 4601223 (1986-07-01), Choby
patent: 4674184 (1987-06-01), Anderson
patent: 4712302 (1987-12-01), Diller
patent: 4779496 (1988-10-01), Evans
Holesaw; Vermont American Tool Co. Indian Creek Rd., PO Box 340 Lincolnton, NC 28093-0340 Tel (704)735-7464 Fax (704)736-8086.
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