Printing – Stenciling – Traveling-inker machines
Patent
1982-10-26
1985-08-27
Coughenour, Clyde I.
Printing
Stenciling
Traveling-inker machines
101126, B41L 1316, B41F 1508
Patent
active
045371261
ABSTRACT:
An automatic peel control mechanism for use in a screen printing press employs a cam-driven mechanical linkage to raise the front end of the screen frame at a controlled rate to a predetermined height above the printing bed in timed relation to the motion of the carriage which transports the squeegee. The linkage includes a pair of elongated reciprocating bars which extend the length of the printing head and are connected to lifters at their forward ends to lift the front end of the printing screen. The cam is rotatably mounted upon the carriage drive shaft. The rotation of the cam is controlled by a roller chain assembly which maintains a timed relationship between the cam and the drive shaft. The initial off contact dimension and peel rate may be readily adjusted by varying the initial position and the rate of travel of the elongated bars.
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patent: 4267773 (1981-05-01), Scherp
American Screen Printing Equipment Co.
Coughenour Clyde I.
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