B - Operations – Transporting – 23 – D
Patent
B - Operations, Transporting
23
D
164/25, 164/51,
B23D 21/08 (2006.01)
Patent
CA 1290240
A B S T R A C T A pipe cutter is formed as a cylinder with a longitudinal entry slot into which a pipe can be introduced to rest on rollers 101, 102 by pushing back cutter wheel 110 against a weak biassing spring until it snaps into cutting position. As the cylinder is thereafter manually turned around the pipe, cutter wheel 110 rotates by friction. Its shaft 111 rolls in arcuate slots in yokes 106, and approaches the pipe, so that the cutting edge of wheel 110 enters and severs the pipe. Cutting pressure is exerted by yokes 106 pivoting at 105 outwards so that nodules 106a tend to lift spring-casing 107, secured only at 108, 109 and encounter its prounced inwardly biassing force.
520680
Garton Stephen David
Marks & Clerk
LandOfFree
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