Sheet-shaped material positioning device and printing plate...

Details Sheet-shaped material positioning device and printing plate... Sheet-shaped material positioning device and printing plate...

2005-03-15

2005-03-15

Eickholt, Eugene H. (Department: 2854)

Printing

Print plate feeding or delivering

Reexamination Certificate

active

06865987

ABSTRACT:
A device for positioning a sheet-shaped material by providing a plurality of pairs of pins on a conveying path. Printing plate precursors are classified, on the basis of widths thereof, into large-sized and small-sized. Two pairs of positioning pins are provided for each size, and are disposed so as to be offset in a direction of conveying a printing plate precursor toward a rotating drum. A width of a small-sized printing plate precursor is smaller than a pitch dimension of a pair of positioning pins for large-sized printing plate precursors. Therefore, the small-sized printing plate precursor abuts and is positioned by positioning pins for small-sized printing plate precursors which are provided further ahead. Moreover, a large-sized printing plate precursor directly abuts and is positioned by the positioning pins for large-sized printing plate precursors, so as not to be interfered with by the positioning pins for small-sized printing plate precursors.

REFERENCES:
patent: 5440988 (1995-08-01), Ito
patent: 6295929 (2001-10-01), Tice et al.
patent: 6604465 (2003-08-01), Tice et al.
patent: 20020011164 (2002-01-01), Dodge et al.
patent: 3129418 (1983-03-01), None

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