Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-03-27
1976-07-06
Jones, Jr., James L.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
51170MT, B24B 2300
Patent
active
039674177
ABSTRACT:
An oscillating sanding device includes a casing to be held in the hand and a sanding table supported below the casing by resilient columns. The sanding table includes a cylindrical ring within which fits a rotor smaller than the ring and mounted to turn within the ring. The rotor is unbalanced and is provided with projecting blades through which it can be driven by pressure fluid supplied through a valve in the casing. The valve can be opened by a pushbutton located on top of the casing.
REFERENCES:
patent: 2957282 (1960-10-01), Swanson
patent: 3283352 (1966-11-01), Ho
patent: 3657844 (1972-04-01), Mogaki
patent: 3755972 (1973-09-01), Mogaki et al.
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