Abrasive disc

Details Abrasive disc Abrasive disc

B - Operations, Transporting

24

D

26/111, 51/155

B24D 11/00 (2006.01) B24D 13/20 (2006.01)

Patent

CA 1145551

D-1287 ABRASIVE DISC ABSTRACT OF THE DISCLOSURE An abrasive disc includes rotatable sheet means. Abrasive particles are disposed on a first side of the sheet means to provide an abrasive action. Means coupled to the sheet means include a first portion defining at least one internal thread in spaced relationship to the opposite surface of the sheet means for threaded coupling with an externally threaded mandrel, a second portion extending from the first portion along the opposite surface of the sheet means and providing a transmittal of force from the first portion and a third portion extending from the second portion into coupled relationship with the sheet means and receiving the transmitted force and providing a force for driving the sheet means. The first portion of the coupling means may define a boss disposed on the opposite surface of the sheet means in spaced relationship to the sheet means and having an opening operative as a single-turn internal thread. The second portion of the coupling means may define a flange disposed against the opposite surface of the sheet means in a frictional, but non-adhering, relationship with the sheet means. The third portion may extend from the periphery of the second portion and may define drive fingers which extend through the sheet means to retain the sheet means in a driven relationship. The third portion of the coupling means may be bent against the abrasive surface of the sheet means.

355700

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