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RATCHET-GEAR PLANETARY MECHANISM WITH AN ELASTIC LINK

A clockwise torque is applied by weight 6 to disk 5 which rotates about fixed axis A. Ratchet wheel 2 is keyed with planet pinion 3 to a stud shaft. Pinion 3 meshes with fixed sun gear 5, forming planetary gearing of which disk 5 is the carrier. One end of spiral spring 7 is attached to disk 5 and the other to link 1 which rotates about axis A. Spring 7 turns link 1 out of engagement with ratchet …