Percussion bit drill drive collar with retention mechanism...

Details Percussion bit drill drive collar with retention mechanism... Percussion bit drill drive collar with retention mechanism...

2006-03-15

2008-09-30

Bagnell, David (Department: 3672)

Boring or penetrating the earth

Bit or bit element

Impact or percussion type

C175S415000, C175S293000

Reexamination Certificate

active

07428938

ABSTRACT:
A drive collar is disclosed for use in a percussion drilling apparatus of the type for boring into the earth. Embodiments of the drive collar include a generally tubular, one-piece body further having an inner surface, an outer surface, a first end and a second end. Embodiments further include a threaded section on the outer surface, a retention mechanism on the inner surface, a plurality of splines on the inner surface; and a shoulder on the outer surface.

REFERENCES:
patent: 3322216 (1967-05-01), Kurt
patent: 3353613 (1967-11-01), Harrison
patent: 4241800 (1980-12-01), Stenuick
patent: 4727944 (1988-03-01), Bottoms
patent: 4932483 (1990-06-01), Rear
patent: 5065827 (1991-11-01), Meyers et al.
patent: 5139096 (1992-08-01), Lister
patent: 5390749 (1995-02-01), Lyon
patent: 5407021 (1995-04-01), Kane et al.
patent: 5435402 (1995-07-01), Ziegenfuss
patent: 5699867 (1997-12-01), Jones
patent: 5735358 (1998-04-01), Lyon
patent: 6021856 (2000-02-01), Pascale
patent: 6035953 (2000-03-01), Rear
patent: 6070678 (2000-06-01), Pascale
patent: 6516903 (2003-02-01), Rogers
patent: 6702045 (2004-03-01), Elsby
patent: 6761231 (2004-07-01), Dock et al.
patent: 6789632 (2004-09-01), Green
patent: 6827162 (2004-12-01), Fisher
patent: 6938710 (2005-09-01), Simmons
patent: 2003/0102167 (2003-06-01), Pascale et al.
patent: 2004/0188146 (2004-09-01), Egerstrom
patent: 2006/0096787 (2006-05-01), Underwood et al.
patent: 2007/0137895 (2007-06-01), Marshall et al.

Affiliated with

Also associated with

Rating

Percussion bit drill drive collar with retention mechanism... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Percussion bit drill drive collar with retention mechanism..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Percussion bit drill drive collar with retention mechanism... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3991451