Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Insert or tip mounting feature
Reexamination Certificate
2011-01-18
2011-01-18
Kreck, John (Department: 3672)
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
Insert or tip mounting feature
C403S030000, C029S447000, C299S111000, C299S104000, C299S102000, C299S107000
Reexamination Certificate
active
07871133
ABSTRACT:
In one aspect of the invention, a degradation assembly comprises an impact tip brazed to a carbide bolster. A stem protrudes from the bolster, being adapted to be retained within a bore connected to a driving mechanism. A locking fixture is disposed within the bore and locking the stem to a wall of the bore.
REFERENCES:
patent: 2004315 (1935-06-01), Fean
patent: 2124438 (1938-07-01), Struk
patent: 2972713 (1961-02-01), Sutton, Jr.
patent: 3089215 (1963-05-01), Stubbs
patent: 3254392 (1966-06-01), Novkov
patent: 3746396 (1973-07-01), Radd
patent: 3807804 (1974-04-01), Kniff
patent: 3830321 (1974-08-01), McKenry
patent: 3932952 (1976-01-01), Helton
patent: 3945681 (1976-03-01), White
patent: 4005914 (1977-02-01), Newman
patent: 4006936 (1977-02-01), Crabiel
patent: 4098362 (1978-07-01), Bonnice
patent: 4109737 (1978-08-01), Bovenkerk
patent: 4156329 (1979-05-01), Daniels
patent: 4199035 (1980-04-01), Thompson
patent: 4201421 (1980-05-01), Den Besten
patent: 4277106 (1981-07-01), Sahley
patent: 4439250 (1984-03-01), Acharya
patent: 4465221 (1984-08-01), Schmidt
patent: 4484644 (1984-11-01), Cook
patent: 4489986 (1984-12-01), Dziak
patent: 4678237 (1987-07-01), Collin
patent: 4682987 (1987-07-01), Brady
patent: 4688856 (1987-08-01), Elfgen
patent: 4725098 (1988-02-01), Beach
patent: 4729603 (1988-03-01), Elfgen
patent: 4765686 (1988-08-01), Adams
patent: 4765687 (1988-08-01), Parrott
patent: 4776862 (1988-10-01), Wiand
patent: 4880154 (1989-11-01), Tank
patent: 4932723 (1990-06-01), Mills
patent: 4940288 (1990-07-01), Stiffler
patent: 4944559 (1990-07-01), Sionnet
patent: 4951762 (1990-08-01), Lundell
patent: 5011515 (1991-04-01), Frushour
patent: 5112165 (1992-05-01), Hedlund
patent: 5141289 (1992-08-01), Stiffler
patent: 5154245 (1992-10-01), Waldenstrom
patent: 5186892 (1993-02-01), Pope
patent: 5251964 (1993-10-01), Ojanen
patent: 5261499 (1993-11-01), Grubb
patent: 5332348 (1994-07-01), Lemelson
patent: 5417475 (1995-05-01), Graham
patent: 5447208 (1995-09-01), Lund
patent: 5535839 (1996-07-01), Brady
patent: 5542993 (1996-08-01), Rabinkin
patent: 5653300 (1997-08-01), Lund
patent: 5713412 (1998-02-01), Wepfer et al.
patent: 5738698 (1998-04-01), Kapoor
patent: 5823632 (1998-10-01), Burkett
patent: 5837071 (1998-11-01), Anderson
patent: 5845547 (1998-12-01), Sollami
patent: 5875862 (1999-03-01), Jurewicz
patent: 5934542 (1999-08-01), Nakamura
patent: 5935718 (1999-08-01), Demo
patent: 5944129 (1999-08-01), Jenson
patent: 5967250 (1999-10-01), Lund
patent: 5992405 (1999-11-01), Sollami
patent: 6006846 (1999-12-01), Tibbitts
patent: 6019434 (2000-02-01), Emmerich
patent: 6044920 (2000-04-01), Massa
patent: 6051079 (2000-04-01), Andersson
patent: 6056911 (2000-05-01), Griffin
patent: 6065552 (2000-05-01), Scott
patent: 6113195 (2000-09-01), Mercier
patent: 6170917 (2001-01-01), Heinrich
patent: 6193770 (2001-02-01), Sung
patent: 6196636 (2001-03-01), Mills
patent: 6196910 (2001-03-01), Johnson
patent: 6199956 (2001-03-01), Kammerer
patent: 6216805 (2001-04-01), Lays
patent: 6270165 (2001-08-01), Peay
patent: 6341823 (2002-01-01), Sollami
patent: 6354771 (2002-03-01), Bauschulte
patent: 6364420 (2002-04-01), Sollami
patent: 6371567 (2002-04-01), Sollami
patent: 6375272 (2002-04-01), Ojanen
patent: 6419278 (2002-07-01), Cunningham
patent: 6478383 (2002-11-01), Ojanen
patent: 6499547 (2002-12-01), Scott
patent: 6517902 (2003-02-01), Drake
patent: 6585326 (2003-07-01), Sollami
patent: 6685273 (2004-02-01), Sollami
patent: 6692083 (2004-02-01), Latham
patent: 6709065 (2004-03-01), Peay
patent: 6719074 (2004-04-01), Tsuda
patent: 6733087 (2004-05-01), Hall
patent: 6739327 (2004-05-01), Sollami
patent: 6758530 (2004-07-01), Sollami
patent: 6786557 (2004-09-01), Montgomery, Jr.
patent: 6824225 (2004-11-01), Stiffler
patent: 6851758 (2005-02-01), Beach
patent: 6854810 (2005-02-01), Montgomery, Jr.
patent: 6861137 (2005-03-01), Griffin et al.
patent: 6889890 (2005-05-01), Yamazaki
patent: 6966611 (2005-11-01), Sollami
patent: 6994404 (2006-02-01), Sollami
patent: 7204560 (2007-04-01), Mercier
patent: 2002/0175555 (2002-11-01), Mercier
patent: 2003/0141350 (2003-07-01), Noro et al.
patent: 2003/0209366 (2003-11-01), McAlvain
patent: 2003/0234280 (2003-12-01), Cadden
patent: 2004/0026983 (2004-02-01), McAlvain
patent: 2004/0065484 (2004-04-01), McAlvain
patent: 2005/0159840 (2005-07-01), Lin
patent: 2005/0173966 (2005-08-01), Mouthaan
patent: 2006/0237236 (2006-10-01), Sreshta
Dahlgren Scott
Hall David R.
Holme Roberts & Owens LLP
Kreck John
Schlumberger Technology Corporation
LandOfFree
Locking fixture does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Locking fixture, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Locking fixture will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2700667