Wear collar device for rotatable cutter bit

Details Wear collar device for rotatable cutter bit Wear collar device for rotatable cutter bit

1982-11-01

1984-12-25

Leppink, James A.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

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

299 92, E21C 3522

Patent

active

044899866

ABSTRACT:
A mounting system for rotatably supporting a cutter bit which includes a mounting block for rotatably supporting a cutter bit and having a detachable and replaceable wear collar member for supporting the bit within the block which acts to prevent wear between the bit and the block.

REFERENCES:
patent: 3841708 (1974-10-01), Kniff et al.
patent: 4084856 (1978-04-01), Emmerich et al.
patent: 4201421 (1980-05-01), Den Besten et al.
patent: 4333687 (1982-06-01), Barnstorf

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