Cutter drum

Details Cutter drum Cutter drum

1977-05-12

1978-10-10

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...

175394, E21C 2510

Patent

active

041193504

ABSTRACT:
A screw-type cutter drum is provided having helical ribs on the drum body with cutter picks on the ribs and on the end of the drum. The cutter picks at the end of the drum are arranged in sets spaced apart to coincide with the ends of the ribs and the cutter picks of each set are equally spaced apart angularly and placed at different radial distances from the axis which decrease in the direction of rotation.

REFERENCES:
patent: 2967701 (1961-01-01), Wilcox
patent: 2967701 (1961-01-01), Wilcox
patent: 2979319 (1961-04-01), Anderson
patent: 3139148 (1964-06-01), Robbins
patent: 3158403 (1964-11-01), Adams et al.
patent: 3174801 (1965-03-01), Owen
patent: 4046207 (1977-09-01), Taylor

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