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PLANETARY RATCHET-GEAR MECHANISM

Round eccentric 1 is keyed to driving shaft 9 which rotates about fixed axis A. Gear 2 with 96 teeth is freely mounted on eccentric 1 but is prevent ed from rotating by lever d. Gear 3 with 120 teeth is freely mounted on shaft 9. Gears 2 and 3 mesh with planet pinion 4. Pinion 4 is carried by double-arm link 5 which is also keyed to driving shaft 9. When driving shaft 9 rotates, gear 3 is rotated …