Cutting bit assembly for impinging an earth strata

Details Cutting bit assembly for impinging an earth strata Cutting bit assembly for impinging an earth strata

1996-10-10

1998-11-10

Dang, Hoang C.

Boring or penetrating the earth

With tool shaft detail

175415, 175417, E21B 1036, E21B 1062

Patent

active

058330178

ABSTRACT:
A cutting bit assembly which includes a driven member and a cutting bit detachably connected to the driven member by a retainer. The retainer includes a magnetic pin that removably engages at least one of the cutting bit and the driven member.

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