Disposable finishing article having an integral mounting hub...

B - Operations – Transporting – 24 – D

Patent

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Details

B24D 5/16 (2006.01) B24B 45/00 (2006.01) B24D 7/16 (2006.01)

Patent

CA 2087031

2087031 9200163 PCTABS00010 A disposable finishing article (10) for mounting on a rotatable threaded spindle (14) of a power tool (16). The finishing article (10) contains a retaining nut (44) on one side and a backing member (28) on the other side non-removably secured together on the finishing article (10) without the aid of adhesives in such a manner that the finishing article (10) is placed in compression when it is operably secured upon the spindle (14) of the power tool (16) under operative loads. The backing member (28) includes an inner annular portion (34) defining a platform (31) surrounding the nut (44) and having one surface (40) resting upon the other side of the finishing article (10). The nut (44) and backing member (28) are secured together by upsetting one end (52) of the nut (44) causing it to protrude outwardly over the outer surface of the flange (28). A metal pressure cap (60) is secured to the backing member (28) for engaging a shoulder (64) formed on the spindle (14) of the power tool (16) during operation of the finishing article (10). The metal pressure cap (60) includes a base (73) and a top (75) with the base (73) having an outwardly directed flange (68) which seats upon the platform (31). The backing member (28) is upset to secure the pressure cap (60) and backing member (28) together.

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