PERFECCIONAMIENTOS EN PRENSAS-PILA EN PARTICULAR PARA LA ESTACION DE MARGEN DE UNA PLEGADORA-PEGADORA.

摘要

A device for pressing a pile of sheets in a feeding unit or station including a vertically movable pressing carriage with a pressing device being guided in a vertical path formed by rails and a groove provided in a front surface of a gauge of the feeding unit. The pressing device includes a sensing arrangement acting on a switch connected in a control circuit for a pneumatic drive so that when introducing an additional batch of sheets into the feeding station the sensing device actuates the pneumatic piston to retract the pressing device to provide clearance for the additional batch.