Apparatus for pressing stack of signatures.

摘要

This invention provides an apparatus for pressing a stack of signatures including a first pressing member (9) mounted on a bracket (2) upwardly and downwardly movable by drive means (1) for pressing the stack (A) of signatures over an intermediate upper surface area thereof, a pivotally movable second pressing member (10) connected at its one end to each end of the first pressing member (9) for pressing the signature stack (A) over the remaining upper surface area at each end thereof, an arm (12) for pivotally moving the second pressing member (10) and air cylinder-plunger means (13) for driving the arm (12), the apparatus being characterized in that the cylinder-plunger means (13) is disposed above the first pressing member (9) and attached to the bracket (2), the plunger (14) of the cylinder-plunger means (13) being directed downward and having a lateral support member (15), the arm (12) having one end pivoted to the support member (15) and the other end pivoted to a base end portion of the second pressing member (10).