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HELICAL GEARING MECHANISM WITH DWELLS OF THE DRIVEN SLIDE

Helical gear 1 rotates about fixed axis 0-0. Gear 1 has helical teeth a only around a portion of its circumference. Over the rest of its circumference it has concentric projection b. Helical gear 2 rotates about fixed axis B and, in addition to helical teeth d, has two straight grooves e. The number of teeth a on gear 1 is equal to the number of teeth d on one-half the circumference of gear 2, bet…