Sheet sensor device with light curtain

Details Sheet sensor device with light curtain Sheet sensor device with light curtain

1998-02-26

1999-08-31

Burr, Edgar

Typewriting machines

Means auxiliary to typewriting function

Indicator means

400711, B41J 2918

Patent

active

059444312

ABSTRACT:
A sheet sensor device for a sheet-fed printing press having a sheet-reversing arrangement, said sheet-reversing arrangement being comprised essentially of a storage drum, a reversing drum and gripper systems mounted on these drums, so that a sheet sensor device comprising a transmitter and a receiver is arranged in the sheet-reversing area formed between the storage drum and the reversing drum, and that the transmitter is arranged on the one side of the printing machine, and the receiver is arranged on the other side of the printing machine, outside of the sheet-travel area.

REFERENCES:
patent: 4906170 (1990-03-01), Nelson et al.
patent: 5078379 (1992-01-01), Leisner
patent: 5336003 (1994-08-01), Nagashima et al.
patent: 5467194 (1995-11-01), Pellinen
patent: 5547299 (1996-08-01), Dusterhus et al.
patent: 5552890 (1996-09-01), Nanna
patent: 5601375 (1997-02-01), Sims et al.

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