Printing plate stacking device and method of judging...

Details Printing plate stacking device and method of judging... Printing plate stacking device and method of judging...

2006-06-20

2006-06-20

Hess, Douglas (Department: 3651)

Sheet feeding or delivering

Feeding

With means to interrupt feeding

C271S258030, C414S800000

Reexamination Certificate

active

07063319

ABSTRACT:
An intermediate guide member is provided attachable and removable between a head portion and a supporting frame of a stocker for printing plates. A number of intermediate guide members is an element to set a time of starting downward movement of hooks supporting a leading end of a printing plate. Three conditions in accordance with lengths of non-detection times are set for detecting the printing plate to judge authenticity of the detection. When the hooks reach vicinities of stoppers provided at supporting bars of a reversal unit, the hooks swing, are pulled-in from above the slope, and transfer the printing plate to the stoppers. Thereafter, by rotating the supporting bars and the stoppers integrally around a shaft, the printing plate is pivoted over toward a back plate, and a lower end of the printing plate is transferred from the stoppers to a receiving plate without damaging the printing plate.

REFERENCES:
patent: 4464654 (1984-08-01), Klein
patent: 4511904 (1985-04-01), Takahashi
patent: 5433583 (1995-07-01), Sasou et al.
patent: 5965862 (1999-10-01), Momose
patent: 5988628 (1999-11-01), Mori
patent: 6053495 (2000-04-01), Hara et al.
patent: 6146085 (2000-11-01), Namba et al.
patent: 6471050 (2002-10-01), Ikeda et al.

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