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CAM MECHANISM WITH A BRAKING DEVICE

Cam 2 is rigidly attached to drum 1 and rotates about fixed axis A. Follower 3 turns about fixed axis B and carries roller 4 which rolls along working surface a of cam 2. Flexible band b with lining 5 encircles drum 1. Band b has at one end threaded rod 6 which passes through guide d of follower 3. The other end of band b is secured to follower 3. The tension of band b is adjusted with nut e which…