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SCREW-TYPE SLOTTED-LINK FOR RAISING TO A POWER

Pins C and B of links 6 and 4 slide along slot a of slotted link 1 which turns about fixed axis A. Nuts 4 and 5 are connected by screw pairs to links 7 and 3 whose axes are perpendicular to each other. Nuts 4 and 5 are traversed by the rotation of meshing bevel gears 2 and 8. The transmission ratio of gears 2 and 8, and the pitches of screws 3 and 7 are selected so that nuts 4 and 5 travel at the …