In-hole motor drill with bit clutch

Details In-hole motor drill with bit clutch In-hole motor drill with bit clutch

1979-07-06

1981-11-10

Pate, III, William F.

Boring or penetrating the earth

Processes

Boring with specific fluid

175101, 175107, E21B 400

Patent

active

042992966

ABSTRACT:
An in-hole motor drill assembly has the rotor of the motor connected to the drill bit, and normally disengaged torque transmitting members are engageable, if desired, without changing the load on the bit, to lock the bit and motor housing together for rotation of the bit by rotation of the motor housing.

REFERENCES:
patent: 2167019 (1939-07-01), Yost
patent: 2942851 (1960-06-01), Beck
patent: 3982859 (1976-09-01), Tschirky et al.

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