Drill drive steel

Details Drill drive steel Drill drive steel

2005-11-22

2005-11-22

Neuder, William (Department: 3672)

Boring or penetrating the earth

Bit or bit element

With fluid conduit lining or element

C175S324000

Reexamination Certificate

active

06966393

ABSTRACT:
A drive steel member for driving engagement with a rotary drilling machine, including a chuck adapter having main body and chuck seating means and being constructed and arranged in fixed, sealed relation on one end of the drive steel member.

REFERENCES:
patent: 3554306 (1971-01-01), Wilburn
patent: 4099585 (1978-07-01), Emmerich
patent: 4632195 (1986-12-01), Emmerich
patent: 4773490 (1988-09-01), McSweeney et al.
patent: 5074025 (1991-12-01), Willard, III
patent: 5400861 (1995-03-01), Sheirer
patent: 6092612 (2000-07-01), Brady
patent: 6161635 (2000-12-01), Brady
patent: 6374916 (2002-04-01), Laflin

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