Eccentric grinding machine

Details Eccentric grinding machine Eccentric grinding machine

1992-05-18

1995-09-26

Rachuba, Maurina T.

Abrading

Frame or mount

Portable abrader

451357, B24B 2300

Patent

active

054530407

ABSTRACT:
The eccentric grinder includes a housing, a fan wheel mounted rotatably in the housing and being rotatably driven in the housing during operation, an eccentric shaft mounted rotatably and eccentrically in the fan wheel, a grinding disk nonrotatably fixed in a central portion thereof with the eccentric shaft and an outer region of the grinding disk being arranged without connection to a remaining group of parts of the grinder and axially spaced therefrom; and at least one exchangeable reversible intermediate plate. Each of the intermediate plates can be mounted nonrotatably on the eccentric shaft between the grinding disk and the housing during operation in one of two positions. To cause a rotary motion of the grinding disk in addition to an eccentric motion one of the intermediate plates is provided with only one toothed or friction rim which is engaged in a fixed toothed or friction rim provided on the housing when the intermediate plate is installed in one of the two positions during operation. Since the other side of that intermediate disk does not have a toothed or friction rim, when the intermediate disk is installed in the other, turned-over position in operation a fine grinding motion results without a rotary motion around the eccentric shaft.

REFERENCES:
patent: 4467565 (1984-08-01), Wallace et al.
patent: 4727682 (1988-03-01), Stabler et al.
patent: 4759152 (1988-07-01), Berger et al.

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