Apparatus for interconnecting segmented cutter drums of a rotary

Details Apparatus for interconnecting segmented cutter drums of a rotary Apparatus for interconnecting segmented cutter drums of a rotary

1978-06-13

1980-02-26

Purser, Ernest R.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

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

403310, E21C 2510

Patent

active

041902963

ABSTRACT:
The present invention involves a machine for cutting earth formations, of the type comprising a vehicle body, a cutter drum mounted on the vehicle body, and a drive mechanism for rotating the cutter drum. The cutter drum includes a plurality of segments of a cylinder, and a connector for connecting the drum segments together. The drum segments each include at one end thereof a reaction surface inclined in a direction extending longitudinally outwardly and radially inwardly. The connector comprises a connector ring and a fastener. The connector ring includes an inner peripheral surface inclined in a direction complimentary to that of the reaction surfaces such that the connector ring is able to fit over the reaction surfaces. The fastener imposes generally longitudinally inward forces on the connector ring to urge the inner peripheral surface of the ring into wedging engagement with the reaction surfaces to urge the drum segments together.

REFERENCES:
patent: 2932496 (1960-04-01), Barrett
patent: 3307880 (1967-03-01), Newton et al.
patent: 3601429 (1971-08-01), Coski
patent: 3995685 (1976-12-01), Stanko

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