Rock cutting tool having eccentric drive

Details Rock cutting tool having eccentric drive Rock cutting tool having eccentric drive

1991-04-08

1993-03-02

Bagnell, David J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Tooth mounted on helical head portion or head with helical...

51169, 125 5, 175343, 299 89, E21B 1008

Patent

active

051903539

ABSTRACT:
A rock-cutting tool includes 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.

REFERENCES:
patent: 3860292 (1975-01-01), Bechem
patent: 4653594 (1987-03-01), Yamamoto et al.
patent: 4736987 (1988-04-01), Lenzen et al.
patent: 4815543 (1989-03-01), Lenzen et al.

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