Manually rotatable tool

Details Manually rotatable tool Manually rotatable tool

2011-08-09

2011-08-09

Kreck, John (Department: 3672)

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Adjustable tooth

C299S110000, C299S111000, C299S113000

Reexamination Certificate

active

07992944

ABSTRACT:
A degradation assembly comprises a rotary portion and a stationary portion. The rotary portion includes a cemented metal bolster bonded to a tip. The tip comprises a asymmetric, substantially conically shaped tip formed of diamond and a cemented metal carbide substrate. The stationary portion comprises a holder configured to be coupled to a block mounted to a driving mechanism. A compressible element is disposed between and in mechanical contact with both the rotary portion and the stationary portion.

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