involving two or more different types of reciprocating cutting elements, e.g. a pair of toothed shearing elements combined with a pair of perforated cutting elements or a combined toothed and perforated cutting assembly

Full Title

Clippers or shavers operating with a plurality of cutting edges, e.g. hair clippers, dry shavers > of the reciprocating-cutter type > Cutting heads therefor; Cutters therefor; Securing equipment thereof > involving two or more different types of reciprocating cutting elements, e.g. a pair of toothed shearing elements combined with a pair of perforated cutting elements or a combined toothed and perforated cutting assembly