Cutter for impact-type cutting machine

Details Cutter for impact-type cutting machine Cutter for impact-type cutting machine

1988-04-21

1989-05-30

Bui, Thuy M.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Floor-working

125 5, 172 45, E01C 2309

Patent

active

048344621

ABSTRACT:
A cutter for an impact-type cutting machine having a cutter shaft which is eccentrically provided on a drive shaft and is adapted to eccentrically rotate around the drive shaft axis. The cutter has an opening therein into which the cutter shaft is inserted with play therebetween. The hole in the cutter extends in the longitudinal direction of said cutter. A central portion of the hole substantially coincides with the center of gravity of the cutter.

REFERENCES:
patent: 1773408 (1930-08-01), Rolfson
patent: 2279922 (1942-04-01), Kraner
patent: 3695722 (1972-10-01), Fairweather et al.
patent: 4275928 (1981-06-01), Jackson
patent: 4725097 (1988-02-01), Zelenka

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