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THREE-LINK SCREW-TYPE MECHANISM WITH TURNING AND SLIDING PAIRS

Link 1 is connected by screw pair A to the fixed link and by turning pair B to link 2 which, in turn, is connected by sliding pair C to the fixed link. The sliding motion of link 2 is obtained by its feather a which enters keyway b in the fixed link. Screw motion of link 1 is converted into sliding motion of link 2. When link 1 is turned through the angle ϕ₁, the displacement of link 2 along axis …