Patent ID: 6592119
Filing Date: 2003-07-15
Classification: B65H

Abstract:
A device for stacking flat material, including a delivery device for delivering flat material to a stack, and a stack height determination mechanism for a stack of flat material, comprising:a flat element to determine the height of a stack of flat material, said flat element, movable horizontally and vertically, providing a functional element of said delivery device; adjacent to one side of a stack, said delivery device including horizontally and vertically movable tongues, and actuatable and horizontally movable rollers; and drive mechanisms and a control device operative such that flat material, lying between said rollers and said tongues is conveyed in a direction into its delivery position to the stack, that said flat element is moved into a bearing position to press flat material onto the stack and the height position of said flat element is determine by at least one sensor, and that subsequently said rollers are lifted and said tongues are withdrawn from the stack (1) counter to the direction of flat material conveyance and that then, to convey additional flat material, flat element is lifted, withdrawn form the delivery area and said tongues and said rollers are again conveyed into the position for delivery of additional flat material.