Cutlery – Pipe and rod cutters – Rotary
Patent
1981-08-13
1983-11-22
Schmidt, Frederick R.
Cutlery
Pipe and rod cutters
Rotary
30 99, B23D 2108
Patent
active
044160623
ABSTRACT:
A self centering pipe cutting device having opposing cutting and roller support assemblies which are automatically advanced in concurrent, converging relationship as the cutting device is rotated about the pipe being cut. A ratchet and advancing gear adapt the device for use in restricted areas of movement and provides continuous advancement of the cutting member. A firm grip and concentric cutting path are maintained by track guides which operate to control the direction of cutter and roller assembly movement in a linear course during operation.
REFERENCES:
patent: 1732160 (1929-10-01), Frye
patent: 1904621 (1933-04-01), Kounovsky
patent: 2112565 (1938-03-01), Hare
patent: 2447371 (1948-08-01), Sipsma et al.
patent: 3715804 (1973-02-01), Kelley
Meislin Debra S.
Schmidt Frederick R.
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