Rotary business form printing press
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United States of America Patent
Stats
-
Feb 19, 1985
Grant Date -
N/A
app pub date -
Nov 30, 1983
filing date -
Nov 30, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary business form printing press wherein a differential gear for controlling the velocity of the roller is provided between a feed roller in a sheet feed mechanism and the drive mechanism, an adjustment device for the impression cylinder for adjusting the wheel base between an impression cylinder and a blanket cylinder is provided in the impression cylinder, motors for adjusting the positions are provided on wheels in a punching unit and in processing heads in a slitter and a vertical perforation unit, rotational angle detecting devices are provided on respective revolving shafts of a plate cylinder, wheels in the punching unit, a perforation cylinder and crank discs in a zig-zag folding unit, and differential gears for adjusting the vertical register are provided between these revolving shafts and the drive mechanism. In this rotary business form printing press the rotating speed of the feed roller according to the previously-set paper thickness, the wheel base between the impression cylinder and the blanket cylinder, the positions of wheels and processing heads according to the previously-set contents and the vertical registers in the plate cylinder, the punching unit, the perforation cylinder and the zig-zag folding unit are automatically adjusted by the control unit.
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