Disposable depressed center grinding wheel having an integral mo

Details Disposable depressed center grinding wheel having an integral mo Disposable depressed center grinding wheel having an integral mo

1987-01-21

1988-08-02

Olszewski, Robert P.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

51209R, 51378, 1523018, B24B 4500

Patent

active

047606703

ABSTRACT:
A disposable depressed center grinding wheel for mounting on a rotatable threaded spindle of a power tool. The grinding wheel contains a retaining nut on one side and a backing flange on the other non-removably secured together on the grinding wheel without the aid of adhesives in such a manner that the grinding wheel is placed in compression when it is operably secured upon the spindle of the power tool under grinding loads. The nut and flange are secured together by upsetting one end of the nut causing it to protrude outwardly over the outer surface of the flange. A base member is loosely secured to the spindle of the power tool for engaging the outer surface of the backing flange during operation of the grinding wheel.

REFERENCES:
patent: 489149 (1893-01-01), Hyde
patent: 2278301 (1942-03-01), Bauer
patent: 3041797 (1962-07-01), Moffly
patent: 3136100 (1964-06-01), Robertson
patent: 3879178 (1975-04-01), Bosma
patent: 4322920 (1982-04-01), Wells
patent: 4439953 (1984-04-01), Block et al.

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