Tumbling apparatus

Details Tumbling apparatus Tumbling apparatus

1975-06-11

1976-07-27

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

241176, 259 57, B24B 3102

Patent

active

039711676

ABSTRACT:
A tumbling apparatus having a plurality of tumbling barrels for use primarily for grinding or polishing semi-precious stones or the like. The apparatus having a single motor for directly and indirectly rotating the barrels, the barrels having peripheral drive portions in the form of gear teeth which are of different diameter so that different rotation speeds for the barrels may be made.

REFERENCES:
patent: 1144272 (1915-06-01), West
patent: 1984237 (1934-12-01), Southan
patent: 3579921 (1971-05-01), Bobo
patent: 3726046 (1973-04-01), Dreher

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