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GEAR-LEVER OPERATING CLAW MECHANISM OF A MOTION PICTURE CAMERA

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Gear 1 rotates about fixed axis A and meshes with gear 4 which rotates about fixed axis C. Rocker arm 2 turns about fixed axis 0. Link 5 has collar d encircling eccentric 3. Pin b, secured on gear 1, slides along slot c of rocker arm 2. Claw a is a part of link 6. When gear 1 rotates about axis A, the tip of claw a describes a complex curve in which it is inserted into a perforation of the film, advances the film and is withdrawn from the perforation. Axis 0 of rocker arm 2 is mounted on bar 7. The path described by the tip of claw a can be varied by changing the position of point 0. This is done by adjusting bar 7 by screw 8.
$1764$GL,OC$

Linked items
Documents: Lever mechanisms  [Streambook]
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