Threaded cone retention system for roller cone bits

Boring or penetrating the earth – Processes

Reexamination Certificate

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C175S369000, C384S096000

Reexamination Certificate

active

07975779

ABSTRACT:
An apparatus for retaining a roller cone on a bearing pin of a drill bit body that includes a drill bit body; a bearing pin coupled to the drill bit body; a retention member coupled to the bearing pin; a roller cone coupled to the retention member; and a torque transfer member coupled to the retention member and the roller cone adapted to selectively transfer torque between the retention member and the roller cone.

REFERENCES:
patent: 2047110 (1936-07-01), Reed
patent: 2351357 (1944-06-01), Miller et al.
patent: 2787502 (1957-04-01), Huckshold
patent: 3251425 (1966-05-01), Bridwell et al.
patent: 4181377 (1980-01-01), Oelke
patent: 4538928 (1985-09-01), Muma
patent: 4722615 (1988-02-01), Bailey et al.
patent: 4874047 (1989-10-01), Hixon
patent: 4911255 (1990-03-01), Pearce
patent: 4991671 (1991-02-01), Pearce et al.
patent: 5137097 (1992-08-01), Fernandez
patent: 5383525 (1995-01-01), Daly et al.
patent: 5853245 (1998-12-01), Price
patent: 6871859 (2005-03-01), Lundblad et al.
patent: 6945338 (2005-09-01), Defourny et al.
patent: 0837215 (2006-01-01), None

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