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EIGHT-SPEED GEARBOX MECHANISM WITH A CLUTCH, INTERMESHING GEAR CONES AND A SLIDING KEY

Clutch 3 slides along square guide a of shaft 1 and can engage either gear 5 or 6 which rotate freely on shaft 1 and are in constant engagement with gears 7 and 8. Gears 7 and 8 and cone gears 9, 10, 11 and 12 are keyed to intermediate shaft 17. Cone gears 9, 10, 11 and 12 are in constant engagement with cone gears 13, 14, 15 and 16 which rotate freely about shaft 2. Rectangular sliding key 4 can …