Tamrock World Corporation, N.v.

Jon C Blackstock

Maurice K LeBegue

Clarence H Woodford, Ii

Leonard M Sanders

A cylindrical drum assembly is rotatably mounted transversely on the front of the boom member of a continuous miner. The drum assembly comprises a pair of independently operable drum sections. Each drum section is driven through an input shaft connected to a motor. The drum sections may be connected by a coupler to form a unitary drum assembly which may be operated by only one of the motors. Torque is transmitted from the input shafts to a bevel gear rotatably supported in the drum section. The bevel gear is nonrotatably connected to a sun gear which in turn drives a plurality of planetary gears connected to a cylindrical planetary cage with a bore defining an inner surface. The cage is connected to a cylindrical inner housing on its outer surface and to an output shaft on its inner surface through a cylindrical shear coupler. A puller shaft is provided to remove the output shaft and the shear coupler.

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Fairmont, WV, United States of America

Jon C Blackstock