B - Operations – Transporting – 23 – Q
Patent
B - Operations, Transporting
23
Q
121/31, 255/72
B23Q 5/04 (2006.01) B23Q 11/00 (2006.01) B28D 1/18 (2006.01) E21B 4/00 (2006.01) E21B 7/24 (2006.01) E21B 10/08 (2006.01)
Patent
CA 2040071
The invention discloses a rock-cutting tool including a sleeve equipped with cutting elements and supported on a shaft, the sleeve being separately rotatable and eccentrically arranged in relation to the shaft whereby, in use, rotation of the shaft imparts a radially oscillating motion on the sleeve. At least one adjustable counterweight is connected to the shaft and located within the sleeve.
Bechem Ulrich
Lenzen Dieter
Bechem Hannelore
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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