Pipe cutting device

Details Pipe cutting device Pipe cutting device

1974-04-29

1976-03-09

Smith, Al Lawrence

Cutlery

Pipe and rod cutters

Rotary

30103, 30108, B23D 2104, B26D 316

Patent

active

039422488

ABSTRACT:
A pipe cutting device comprises a split frame which may be clamped around the circumference of a pipe (either inside or outside of the pipe). Floatingly or freely mounted on the rollers carried by the frame, to rotate about the pipe, is a ring gear having at least one arcuate arm mounted thereon to rotate with the gear as it turns around the pipe. At one end, the arm is pivotally mounted on the ring gear. At the other end, the arm is selectively biased toward the pipe by a compression spring or other suitable force. This way, a blade mounted on the arm may be driven into the pipe by a controlled amount. A gear train selectively raises or lowers the blade with respect to the surface of the pipe depending upon the position of a clutch arrangement. A special feature of the cutter is that it is easily adapted to cut from either the outside or the inside surface of a pipe.

REFERENCES:
patent: 2271582 (1942-02-01), Dixon
patent: 2769234 (1956-11-01), Young
patent: 2842238 (1958-07-01), Shaw et al.
patent: 2915819 (1959-12-01), O'Day et al.
patent: 3149440 (1964-09-01), Maguire
patent: 3651569 (1972-03-01), Arnot
patent: 3807047 (1974-04-01), Sherer et al.
patent: 3839791 (1974-10-01), Feamster

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