Sheet retention device for top sheet in sheet stack has retaining element released for deposition of fresh sheet by vertical movement via spring-loaded lifting device

摘要

The sheet retention device has a retaining element (2) pivoted from the sheet retention position, to allow a sheet to be deposited on the top of the sheet stack, upon vertical movement by a lifting device, with the retention force for the uppermost sheet provided by a tension spring (10), acting between upper and lower parts (6a,6b) of the lifting device.