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US 4,359,820 AGranted
Pipe casing cutter
OwnerLionel H. Wheeler, James P. Adairinventors
Life of this patent
Estimating the term…
Abstract
An apparatus for cutting pipe and casing. An apparatus for cutting pipe and casing having a hinged frame and using the revolution of the device about the workpiece to simultaneously effect cutting of the workpiece.
Claims9
A pipe cutter, comprising:
- attachment means for implacement on the pipe to be cut;
- power means connected to the attachment means;
- cutting means for cutting the pipe, the cutting means movably connected to the attachment means;
- revolution means for revolving the cutting means around the pipe;
- application means for applying the cutting means to the pipe, wherein said application means comprises:
- a lower roller chain mounted to the attachment means;
- a crank plate sprocket in communication with the lower roller chain;
- a crank plate assembly attached to said crank plate sprocket and mounted to the revolution means so that the crank plate assembly revolves about its own axis upon rotation of the revolution means, and;
- a crank arm assembly and cam follower attached to the crank plate assembly for transforming the revolution of the crank plate assembly into lateral movement of the cutting means;
- and
- adjusting means for adjusting the cutting force of the cutting means.
8 more elements
Dependencies are inferred from the claim text.