Boring or penetrating the earth – Bit or bit element – Specific or diverse material
Patent
1994-05-05
1995-03-28
Buiz, Michael Powell
Boring or penetrating the earth
Bit or bit element
Specific or diverse material
E21B 3500
Patent
active
054008611
ABSTRACT:
A roof drill bit assembly comprising a roof drill bit and a chuck. The roof bit contains a cavity which opens at the rearward end thereof. Upon assembling the bit and the chuck, the cavity receives the axially forward end of the chuck. A sealing member is between the roof drill bit and the chuck so as to provide a fluid-tight connection between the chuck and the roof bit.
REFERENCES:
patent: 3519091 (1970-07-01), Leibee et al.
patent: 3752515 (1973-08-01), Oaks et al.
patent: 3763941 (1973-10-01), Leibee et al.
patent: 3934659 (1976-01-01), Tsiferov
patent: 4190125 (1980-02-01), Emmerich et al.
patent: 4330044 (1982-05-01), Orr et al.
patent: 4368789 (1983-01-01), Orr et al.
patent: 4603751 (1986-08-01), Erickson
patent: 4627503 (1986-12-01), Horton
patent: 4678238 (1987-07-01), Emmerich
patent: 4819748 (1989-04-01), Truscott
patent: 5004382 (1991-04-01), Yoshino
patent: 5071195 (1991-10-01), Komotzki
patent: 5180022 (1993-01-01), Brady
patent: 5195805 (1993-03-01), Clapham
patent: 5261499 (1993-11-01), Grubb
"Kennametal Mining Products"; Kennametal Inc., 1992.
Buiz Michael Powell
Kennametal Inc.
Prizzi John J.
LandOfFree
Rotatable cutting bit assembly does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Rotatable cutting bit assembly, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Rotatable cutting bit assembly will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2244561