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HELICAL FRICTION DRIVE MECHANISM

Bevel friction wheel 1 rotates about fixed axis A and contacts, along line c, the profiled helical surface 3 of link 2. Link 2 slides axially in fixed guides D-D and rotates in these guides about fixed axis B. When wheel 1 rotates, link 2 has a helical motion.
$3367$SmF,3L$