Tool block with non-rotating, replaceable wear insert/block

Details Tool block with non-rotating, replaceable wear insert/block Tool block with non-rotating, replaceable wear insert/block

1990-10-01

1992-03-24

Bagnell, David J.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Tooth mounted on helical head portion or head with helical...

299 81, E21C 3518

Patent

active

050981676

ABSTRACT:
A sleeve for containing a rotary driven cutter bit for use on a roadway surface reclaiming machine in a removable manner is disclosed which aids in protecting the tooth-holding block from abrasion by threading a sleeve into the block in such a manner that contact during use by abrasive material with the sleeve tightens the connection between the block and the sleeve, such that abrasion between the confronting surfaces of the block and the sleeve is decreased and the useful life is increased. In addition, the sleeves allow for simple, efficient replacement of a damaged cutting tool or sleeve in the reclaiming machine.

REFERENCES:
patent: 2227209 (1940-12-01), Zublin
patent: 3512838 (1970-05-01), Kniff
patent: 4302053 (1981-11-01), Roepke et al.
patent: 4480873 (1984-11-01), Latham
patent: 4697850 (1987-10-01), Tuneblom

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