Mounting for receiving a mining pick bit

Details Mounting for receiving a mining pick bit Mounting for receiving a mining pick bit

1992-02-25

1993-04-13

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 91, E21C 3518

Patent

active

052015696

ABSTRACT:
The invention concerns a housing for receiving a mining pick bit in which the free spaces for taking up spoil between the housing and the shaft of the bit are provided into the housing. In this way a fully round shaft can be used, which rotates more easier than a pick bit the shaft of which has a triangular cross-sectional form. Protrusions between the free spaces are made of carbide so that there is a very good wear resistance.

REFERENCES:
patent: 3397013 (1968-08-01), Krekeler
patent: 3652130 (1972-03-01), Elders
patent: 3833264 (1992-09-01), Elders

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