Class Information
Number: 352/189
Name: Optics: motion pictures > Camera and/or projector drive mechanisms > With intermittently driven carrier-engaging sprocket > Geneva gear actuated
Description: Subject matter in which the sprocket is advanced by means of a gear pair including one member with radial slots jointed by arcuate portions and a second member including a peg member which cooperates with the radial slots to drive the first member intermittently upon rotation of the said second member and further comprising a curved portion which cooperates with the said arcuate portions of the said first member to index said first member against rotation when not engaged by said peg member.
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