Material or article handling – Apparatus for moving intersupporting articles into – within,... – Unstacking apparatus
Patent
1993-10-04
1995-05-30
Kashnikow, Andres
Material or article handling
Apparatus for moving intersupporting articles into, within,...
Unstacking apparatus
271 31, 4147888, B65G 5906, B65H 308
Patent
active
054196787
ABSTRACT:
A control arrangement for an apparatus for delivering printing products (2) to a further processing point has a sensor (LS1) for registering a predetermined height of the upper side (29a) of an intermediate stack (29), which has been formed against a stop (11) from printing products fed in a series formation (S) by means of a first conveying device (1), and acts on a drive (M2) of a rocker (5), which carries this intermediate stack (29), such that the rocker is lowered and raised in order to keep the upper side (29a) of the intermediate stack (29) essentially at the predetermined height. A first controller (R1) drives the drive (M2) of the rocker (5) at adjustable speed in a range between two lifting limits of the rocker (5). A second controller (R2) forms with a set value (n3.sub.s) , dependent on the registered lifting movement, a manipulated variable (n3.sub.f) for the speed of the drive (M3) of the first conveying device (1) and thus controls in dependence on the lifting movement of the rocker (5) the volume of printing products per unit of time which is fed to the intermediate stack (29) by the first conveying device (1).
REFERENCES:
patent: 4133523 (1979-01-01), Berthelot
patent: 4320894 (1982-03-01), Reist et al.
patent: 4667953 (1987-05-01), Hirakawa et al.
patent: 4765790 (1988-08-01), Besemann
"Regeln und Steuern mit unscharfer Logik", by Marcel Jacomet in TR TECHNISCHE RUNDSCHAU, Issue 19, 1992, pp. 94-97.
Ferag AG
Kashnikow Andres
Trainor Christopher G.
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