Protected lubricant reservoir for sealed earth boring drill bit

A rotary cone rock bit, comprises a bit body including a plurality of legs extending therefrom, each of the legs having an outer surface that includes a leading surface and a trailing surface, a roller cone rotatably supported on each of the legs, a bearing system between each cone and the leg on wh...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SLAUGHTER ROBERT H, DIDERICKSEN ROGER, CONN WILLIAM M, CARIVEAU PETER T, NORRIS KIRK A
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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