Automatic setting device for slowing down a signature prior to f

Details Automatic setting device for slowing down a signature prior to f Automatic setting device for slowing down a signature prior to f

1985-05-06

1986-03-04

Eickholt, E. H.

Sheet-material associating

With printing

Folding, with rotary printer

493 21, 493 23, 307141, B41F 1356

Patent

active

045736715

ABSTRACT:
An automatic slow down setting device for a signature prior to folding thereof in chopper forders for web fed printing presses comprises a single detector of abutment of the signature, relay timing means connected to said detector and having an opening contact means and closing contact means, and two different phase setting motor control circuits, i.e. a "more advance" circuit with relay means and said closing contact, and a "less advance" circuit with relay means and said opening contact, and by means of which the signature can be precisely adjusted to abutment.

REFERENCES:
patent: 2458544 (1949-01-01), Watson
patent: 2516454 (1950-07-01), Doran
patent: 2643879 (1953-06-01), Spreckelmeter
patent: 2871010 (1959-01-01), Likens
patent: 2940751 (1960-06-01), Buss
patent: 2941797 (1960-06-01), Buss
patent: 3212771 (1965-10-01), Kerman et al.
patent: 3449592 (1969-06-01), Jostrom
patent: 3692303 (1972-09-01), Grantham
patent: 3698705 (1972-10-01), Funk et al.

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