Sheet feeding or delivering – Feeding – Separator and conveyor
Patent
1981-05-20
1982-11-09
Stoner, Jr., Bruce H.
Sheet feeding or delivering
Feeding
Separator and conveyor
271 31, 271152, 271171, B65H 118, B65H 354
Patent
active
043581013
ABSTRACT:
A sheet feeder device for a printing machine, having a pneumatic feeder head including a regulating screw mounted therein and provided with a pressure spring which is arranged between a shoulder of the regulating screw and a rest which is attached to a two-arm lever. To the frame of the printing machine is fixed a spacer on which are adjustably arranged straightening elements provided with rigidly attached eccentrics. The eccentric is turnably mounted in a body, in which is also turnably arranged, a connecting screw which is provided with a centering ring and a catch which seats on a bar fixed to the side wall of the printing machine. The straightening element is provided with a stop, on which bears a lever which is attached to the eccentric. A guide piece is also fixed to the straightening element. The device according to the invention enables the feeding of letter envelopes without the need of a special auxiliary device to be mounted to the printing machine. While setting (adjusting) the printing machine from the operation of paper printing paper sheets for the printing of envelopes, or vice versa, it is not necessary to specially set the feeder device.
REFERENCES:
patent: 2838306 (1958-06-01), Williams
patent: 3334894 (1967-08-01), Van Acker
patent: 3471141 (1969-10-01), Ruetschle
patent: 3862753 (1975-01-01), Giorgini
Janecek Jaroslav
Jiruse Jaroslav
Rozsypal Josef
Adamovske Strojirny, Narodni Podnik
Stoner Jr. Bruce H.
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