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Class Information
Number: 451/427
Name: Abrading > Attachment > Roll or wheel abrader > Reciprocating tool > Nut-and-screw-type drive
Description: Attachment employing means to cause the abrasive tool to reciprocate comprising a helical male member and a cooperating helical female member, one of which rotates with respect to the other.

Patents under this class:

Patent Number Title Of Patent Date Issued
7988533 Scratch removal device and method Aug. 2, 2011
4393627 Reversing screw/high-low speed level wind screw Jul. 19, 1983

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