Rotary cutter heads for mining machines

Details Rotary cutter heads for mining machines Rotary cutter heads for mining machines

1982-09-14

1985-06-04

Pate, III, William F.

Mining or in situ disintegration of hard material

Cutter tooth or tooth head

Cleansing fluid passage

299 12, E21C 2510

Patent

active

045210586

ABSTRACT:
A rotary cutter head for a mining machine comprises a hub assembly drivably mounted on a drive section of the mining machine and a barrel component secured around and co-axial with the hub assembly, the barrel component supporting cutter tool-carrying loading vanes. Ventilation means provided on the cutter head comprise air flow inducing means for inducing air flow along a first path section within the barrel component and in a general direction towards the mining machine side of the cutter head, and along a second path section outside the barrel component and in a general direction away from the mining machine side of the cutter head. Air flow deflector means are provided for urging at least a portion of the induced air flow flowing along the first path section towards the air flow flowing along the second path section.

REFERENCES:
patent: 3843199 (1974-10-01), Nash
patent: 3904246 (1975-09-01), Gandy
patent: 3954302 (1976-05-01), Browning

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