Boots – shoes – and leggings
Patent
1993-05-11
1995-01-03
Gordon, Paul
Boots, shoes, and leggings
364469, 364471, 101248, G05B 1918, G06F 1546, B41F 1324
Patent
active
053792114
ABSTRACT:
A personal computer (PC) and a programmable controller are used to automatically reposition the turn bars and compensation rollers used in a folder for a web printing press. By providing linear transducers for each of the turn bars and compensation rollers disposed at each level of the folder, analog information as to the actual position of each is provided to the programmable controller. The PC provides digital information to the programmable controller as to the desired position and an error signal is computed for controlling the operation of the drive motors so as to reduce the error signal to zero. When setting up the folder to run a new job, the turn bar settings and compensation roller positions are manually accomplished, but upon command, the settings for that job may be stored in the memory of the PC for use the next time that particular job is to be run.
REFERENCES:
patent: 3734487 (1973-05-01), Treff
patent: 4346446 (1982-08-01), Erbstein et al.
patent: 4366542 (1982-12-01), Anselrode
patent: 4484522 (1984-11-01), Simeth
patent: 4495582 (1985-01-01), Dessert et al.
patent: 4545031 (1985-10-01), Kobayashi
patent: 4888717 (1989-12-01), Ditto et al.
patent: 5043904 (1991-08-01), Sikes et al.
Brown Printing Company, A Division of Gruner & Jahr Printing and
Gordon Paul
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