Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Clamped tooth holder or tooth mount
Reexamination Certificate
2008-08-14
2011-11-22
Singh, Sunil (Department: 3672)
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
Clamped tooth holder or tooth mount
Reexamination Certificate
active
08061783
ABSTRACT:
A block and non-rotating wear sleeve for holding a cutting tool used with mining and construction is disclosed. A key is used to intersect with notches in the wear sleeve and block at a rear face of the wear sleeve and block to prevent rotational movement between the wear sleeve and block. Locating the key and notches at the rear face provides an easily manufactured anti-rotation means which is also sheltered from the most of the abrasion experienced by the block and wear sleeve.
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Keller Donald E.
Rowlett Don C.
Kennametal Inc.
Singh Sunil
Smith Matthew W.
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