Advancing material of indeterminate length – Means to engage longitudinally spaced modifications in material – Pins on flexible belt or chain
Patent
1987-05-13
1988-09-20
Petrakes, John
Advancing material of indeterminate length
Means to engage longitudinally spaced modifications in material
Pins on flexible belt or chain
G03B 122
Patent
active
047719214
ABSTRACT:
A conversion kit to adapt a single-feed continuous form paper press to dual-feed continuous form paper operation and thereby double production capacity. The kit includes infeed and outfeed bars which are attachable by their ends to corresponding pairs of drive pins of the infeed and outfeed tractors. Each of the bars is provided with a centrally located drive pin to project through overlapping perforated edge portions of both of the continuous form papers being printed. Infeed and outfeed support arms are provided which support infeed and outfeed guides. The guides are movable into and out of position over the centrally located drive pins of the infeed and outfeed bars to maintain the overlapping perforated edge portions of the papers entrained on the centrally located drive pins. The infeed and outfeed bars are provided with an aperture in each end portion which receives a corresponding one of the tractor drive pins, and a lock member is attached to each of the bar end portions to clamp the bar ends to the endless belt of the corresponding tractor. A supplemental paper collection tray is included to be positioned rearward of the main tray to permit the overlapping perforated edge portions to separate. A guide guides the rightmost continuous form paper to the supplemental tray.
REFERENCES:
patent: 2012282 (1935-08-01), Metzner
patent: 2047233 (1936-07-01), Sherman
patent: 3687347 (1972-08-01), Rod et al.
Jacob John W.
Pearson Bernard A.
Norfin International, Inc.
Petrakes John
Sohacki Lynn M.
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