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TWO-SPEED GEARBOX MECHANISM WITH A TOOTHED CLUTCH

Driving shaft 1 rotates about fixed axis A and is rigidly attached to (or integral with) gear 2. Gear 4 is freely mounted on driven shaft 5. Toothed clutch 3 is mounted on the splines at the left end of shaft 5 which rotates about fixed axis C. Clutch 3 consists of halves a and b, having internally toothed members e and f which engage the externally toothed clutch members c and d, integral with ge…