Sheet feeding or delivering – Delivering – To receiver for pack of sheets
Patent
1989-10-27
1991-04-09
Valenza, Joseph E.
Sheet feeding or delivering
Delivering
To receiver for pack of sheets
414789, 4147908, 271189, 271218, B65H 3104
Patent
active
050058223
ABSTRACT:
Delivery for sheets being delivered by a transport system in a conveying direction from a sheet-processing machine and being deposited alternatively in a pile and on catching arms of a catching device, the catching arms being temporarily movable out of a basic position into a catching position above the pile, including stops for respective leading edges of the sheets, the stops being disposed at the pile and being flappable away from the pile in the conveying direction, and a transmission system for moving the catching arms from the basic position into the catching position and from the catching position into the basic position, and for flapping-out the stops against the action of a stop spring in the conveying direction and into a release position thereof and in an opposite direction into a stop position on the pile by way of a common actuating element, the transmission system being constructed so as to flap out the stops into the release position immediately after the catching arms have been moved into the catching position, has a dead-center spring swivellable with respect to a swivel shaft and articulatingly connected to the transmission system, the dead-center spring, in a first end position of the transmission system, holding the catching arms in the basic position against the action of at least one tension spring and, in a second end position of the transmission system, holding the stops in the release position thereof against the action of the stop spring.
REFERENCES:
patent: 2631038 (1953-03-01), Wood et al.
patent: 2738973 (1956-03-01), Koch
patent: 2785894 (1957-03-01), Reinartz
patent: 2836418 (1958-05-01), Blattner et al.
patent: 3683758 (1972-08-01), Feldkamper
patent: 3966195 (1976-06-01), Simeth
patent: 4569622 (1986-02-01), Bulk
patent: 4647265 (1987-03-01), Uno
Filsinger Karl-Heinz
Max Reinhold
Bidwell James R.
Greenberg Laurence A.
Heidelberger Druckmaschinen AG
Lerner Herbert L.
Valenza Joseph E.
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