DRILLING HEAD Russian patent published in 1996 - IPC

Abstract SU 1823303 A1

FIELD: mechanical engineering. SUBSTANCE: drilling head has housing 1. A motor is coupled with the spindle through gear pairs mounted on driving and intermediate shafts. Sprockets 19, 11 and 12 are mounted at the ends of the shafts that project out of housing 1. The sprockets are interconnected by way of an endless chain. EFFECT: expanded engineering capabilities. 3 dwg

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SU 1 823 303 A1

Authors

Pelipenko N.A.

Chebotarev G.N.

Dates

1996-08-10—Published

1991-01-09—Filed