Apparatus for indicating the status of sheets

Details Apparatus for indicating the status of sheets Apparatus for indicating the status of sheets

1984-03-16

1986-04-01

Schacher, Richard A.

Sheet feeding or delivering

Feeding

With means to interrupt feeding

209603, 209604, 209534, B65H 712

Patent

active

045793344

ABSTRACT:
A note checking apparatus for indicating whether normal single notes, double notes or notes having local attachments of folds are passing therethrough includes two rollers 10 and 12 between which the notes pass. The roller 10 has a fixed axis, and the roller 12 is supported by pivotably mounted arms 38 so that it is movable away from, and pivotable relative to, the roller 10 in response to notes passing between the rollers. Sensors 42 and 43 produce voltage output whose magnitude varies in dependence on the amount of movement of the ends of the roller 12 away from the roller 10. In order to enable the apparatus to distinguish between double notes and a single note having a central local attachment, there are provided biasing rolls 56 and 58 which, during the passage of single or multiple notes between the rollers 10 and 12, are arranged to apply to the roller 12 first a pivoting moment in one direction and then a pivoting moment in the opposite direction.

REFERENCES:
patent: 3179403 (1965-04-01), Gagg
patent: 3581402 (1971-06-01), London et al.
patent: 3608894 (1971-09-01), Ariyama
patent: 3746333 (1973-07-01), Capetti
patent: 3902716 (1975-09-01), Lewis
patent: 4021030 (1977-05-01), Fichte
patent: 4154437 (1979-05-01), Butcheck et al.
patent: 4420747 (1983-12-01), Kistner

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