Motor bit system

Details Motor bit system Motor bit system

2011-07-05

2011-07-05

Stephenson, Daniel P (Department: 3676)

Boring or penetrating the earth

Bit or bit element

With bit guide or bore wall compacting device

C175S073000

Reexamination Certificate

active

07971661

ABSTRACT:
The drill bit system may include a chassis, a head, and a first plurality of gauge pads. The chassis may be configured to be operably coupled with a first rotational motion source. The head may include a first plurality of cutters coupled with an end of the head, and the head may be rotatably coupled with chassis. The head may be configured to be operably coupled with a second rotational motion source. The first plurality of gauge pads may include a second plurality of cutters, and the first plurality of gauge pads may be fixedly coupled with the chassis.

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