Earth bit having a wear ring

Details Earth bit having a wear ring Earth bit having a wear ring

2011-08-09

2011-08-09

Thompson, Kenneth L (Department: 3676)

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

C175S372000, C384S094000

Reexamination Certificate

active

07992657

ABSTRACT:
An earth bit includes a cutting cone rotatably mounted to a lug with a journal. A sealing member is sealingly engaged with the cutting cone and a wear ring carried by the lug. The wear ring is dynamically engaged with the first sealing member and statically engaged with the lug.

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