US PATENT SUBCLASS 352 / 193
.~.~.~ With pivoted link or arcuate slot guide

Current as of: June, 1999
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352 /   HD   OPTICS: MOTION PICTURES

166  DF  CAMERA AND/OR PROJECTOR DRIVE MECHANISMS {14}
191  DF  .~ With film engaging claws reciprocally driven to engage film {2}
192  DF  .~.~ Crank pin actuated {1}
193.~.~.~ With pivoted link or arcuate slot guide

DEFINITION

Classification: 352/193

(under subclass 192) Subject matter including a guide to determine the path of reciprocation of the member with the film engaging projection, the guide comprising a pivoted link or fixed slot which cooperates with a slot engaging follower.