Sheet turning device

A sheet turning device comprising a support for holding a stack of sheets to be successively turned, a sheet turning rod rotatably secured to each sheet, said sheet turning rods extending side by side, journal means to rotatably support said rods for independent rotation about their longitudinal axis, a lever arm fixed to each rod whereby pulling on a selected lever arm causes rotation of the associated sheet turning rod and turning of the sheet to which said rod is fixed, a set of elongated selector members disposed side by side and each longitudinally movable, guide means to guide said selector members in their longitudinal movement, a common pulling member movable back and forth through an operative stroke and a return stroke in the direction of the longitudinal movement of said selector members and successively engageable with said selector members during its operative stroke to move said selector members from an initial to a final position to turn a sheet, each selector member having a pulling member engaging part and a selector member engaging part, the pulling member engaging part of one said selector member, of the set being in the path of said pulling member when said one selecting member is in its initial position, the pulling member engaging part of all the remaining selector members of the set clearing the path of said pulling member when said remaining selector members are in their initial position, the selector member engaging part of a selector member moving to its final position engaging only the next selector member of the set and transversely shifting said next selector member to a shifted position in which its pulling member engaging part is in the path of said pulling member ready to be pulled by said pulling member from its initial to its final position during the next pulling stroke of said pulling member.