Delivery for a sheet-fed printing press

Details Delivery for a sheet-fed printing press Delivery for a sheet-fed printing press

1993-12-13

1995-01-03

Eickholt, Eugene H.

Printing

Rolling contact machines

Rotary

271213, 271218, 414789, 4147908, B41F 1364

Patent

active

053775880

ABSTRACT:
Delivery for a sheet-fed printing press includes a device for conveying sheets supplied from the printing press in a given conveying direction to a location at which the sheets fall consecutively onto a pile of the sheets, a swivelingly mounted stop shaft carrying retractable stops for leading edges of the sheets in an upper region of the sheet pile, a swivelingly mounted catching-arm shaft disposed adjacent to the stop shaft and carrying a plurality of lever arms, respective catching arms articulatedly connected to the lever arms, the catching arms being insertable in a direction opposite to the conveying direction between the falling sheets for catching and auxiliarly supporting the sheets, a drive member swivelable about a rotary axis, and connecting members for connecting both the retractable stops and the catching arms in common to the drive member for performing an enforced sequence of movements of the catching arms and the stops wherein the stops are retracted following an insertion of the catching arms between the falling sheets, and the catching arms are withdrawn following a return of the stops to a stop position, the connecting members being respective complementary mating members disposed on the drive member, on one hand, and on the stop shaft and the catching-arm shaft, on the other hand, the connecting members on the drive member being offset by a phase angle from one another causing the enforced sequence of movements of the catching arms and the stops.

REFERENCES:
patent: 4511301 (1985-04-01), Kawano et al.
patent: 4938657 (1990-07-01), Benson et al.
patent: 4943043 (1990-07-01), Huggins
patent: 4983096 (1991-01-01), Bodewein
patent: 5005822 (1991-04-01), Max et al.
patent: 5088405 (1992-02-01), Sugimoto et al.
patent: 5092236 (1992-03-01), Prim et al.
patent: 5110112 (1992-05-01), Henn et al.
patent: 5284089 (1994-02-01), Buck et al.

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