Beds – Bedsteads – Upending
Patent
1980-09-12
1982-04-06
Parker, Roscoe V.
Beds
Bedsteads
Upending
B24B 2300
Patent
active
043229212
ABSTRACT:
An eccentric plate grinder has a housing, a driving shaft with an eccentric at one end and a grinding plate, on which abrasive paper is fixed, powered by the eccentric. The grinding plate and the driving shaft are joined together by way of a transmission so that the path of any given grain of abrasive material on the grinding plate will be cycloidal and not in a simple circle.
REFERENCES:
patent: 3205622 (1965-09-01), Leveque
patent: 3287859 (1966-11-01), Leveque
patent: 3857206 (1974-12-01), Heffran, Jr.
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