Pocket wheel feeding device
AssigneeGrapha-Holding AG
InventorHans Müller
Life of this patent
Estimating the term…
Abstract
A feeder for collecting printed sheets in an astride position includes a pulling-off drum which has at the circumference thereof gripping members for pulling off printed sheets stacked in a magazine. The feeder further includes a unit for conveying the printed sheets with an open side facing forward into an opening device. The opening device is arranged in front of a collecting device. The unit arranged between the pulling-off drum and the opening device is formed by a pocket wheel or a pocket chain provided with revolving pockets for receiving the printed sheets which are supplied with their folds facing forwardly, and a conveying member arranged in front of the pockets.
Claims8
A feeder for collecting printed sheets in an astride position, the feeder comprising
- at least one rotating pulling-off drum with gripping means mounted at a circumference thereof for pulling off printed sheets stacked in a magazine,
- a stationary opening device having two opening drums;
- conveying means for conveying the printed sheets with an open side facing forwardly to the opening device, and
- a collecting device downstream of the opening device, further comprising
- a pocket wheel or a pocket chain mounted between the pulling-off drum and the opening device, wherein the pocket wheel or pocket chain comprises revolving pockets for receiving the printed sheets with a fold thereof facing forwardly, the opening device being in operative conveying connection with the pockets downstream of the pocket wheel or pocket chain, and a conveying device between the pulling-off drum and the pocket wheel or pocket chain,
- wherein the pockets have a receiving opening at a circumference of the wheel, wherein the pockets are configured to be opened for receiving and for removing a sheet,
- further comprising adjustable means for aligning the sheets in the pockets, wherein the means for aligning the sheets are comprised of elements which are stationary relative to the pockets.
Dependencies are inferred from the claim text.