Device for withdrawing printed sheets for examination or sorting

Sheet feeding or delivering – Delivering – Multiple discharge

Patent

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Details

271206, B65H 2904

Patent

active

045823162

ABSTRACT:
A device for withdrawing printed sheets from a delivery of a sheet-fed rotary printing machine for examination and sorting purposes, the delivery being a chain delivery with gripper rows attached to the chain and having grippers operable by cam control, withdrawal of the printed sheets being initiated by a delayed opening of the respective grippers, includes a first gripper-opening cam, means for releasing the first gripper-opening cam from a locked position thereof so that it is engageable with a rotating control cam for bringing the first gripper-opening cam into a position wherein opening of the grippers is effected and is prevented, a second gripper-opening cam for initiating a delayed opening of the grippers, the second gripper-opening cam being disposed downstream from the first gripper-opening cam in travel direction of the printed sheets, and means for feeding the printed sheets released from the grippers, when the grippers are opened, directly to a conveyance device for further transporting the printed sheets.

REFERENCES:
patent: 1607143 (1926-11-01), White
patent: 2001296 (1935-05-01), Barber

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