(under subclass 191) Subject matter where the reciprocating member with the film engaging projection is actuated by an eccentric crank pin which is journaled in the reciprocating member.
(1) Note. The crank pin drives as classified here have a driving connection which is not displaced relative to either the carrier or the driving member. Film engaging claws which are driven with an eccentric member with relative displacement between the claw and eccentric member are considered cams and are classified in subclasses 194+.
