Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Clamped tooth holder or tooth mount
Patent
1996-04-24
1998-06-23
Bagnell, David J.
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
Clamped tooth holder or tooth mount
299106, E21C 35193
Patent
active
057695059
ABSTRACT:
An excavation cutting tool holder retention system. The cutting tool holder retention system includes a cutting tool holder having a holder engagement surface and a support block having a tool holder bore into which the cutting tool holder is inserted. A pin having a pin engagement surface is movably mounted to the support block. At least one of the holder and pin engagement surfaces defines an inclined surface such that when the pin is moved the pin engagement surface will wedgingly engage the holder engagement surface so as to draw the shank portion of the cutting tool holder into the tool holder bore.
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Massa Ted R.
Siddle David R.
Bagnell David J.
Kennametal Inc.
Prizzi John J.
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