Printing – Stenciling – Traveling-inker machines
Patent
1995-10-25
1998-08-04
Yan, Ren
Printing
Stenciling
Traveling-inker machines
101126, B41F 1542
Patent
active
057878056
ABSTRACT:
A screen printer prints ink on a plurality of substrates being carried by traveling pallets passing successively through printing stations. A manually operable controller is located at each printing head to operate position-controllable motors, such as stepping motors, to raise or lower a screen printing frame assembly to change an off-contact distance between it and an underlying substrate. A display at each printing head shows the relative distance being raised or lowered with operation of the manually-operable controller. Preferably, the stepper motors are positioned at the four corners of the screen printing frame. A common controller has a display for showing an operative or inoperative status of a screen printing head at each station and circuits to render the printing heads operative or inoperative. The controllers preferably are operably by a touch pad. The screen printing machine may have its off-contact changed easily and quickly at any printing station, or globally at all printing stations by operation of touch pads at a station or a common controller.
REFERENCES:
patent: 4517893 (1985-05-01), Wile et al.
patent: 4537216 (1985-08-01), Bubley
patent: 4905592 (1990-03-01), Sorel
patent: 4939991 (1990-07-01), Szarka
patent: 5651309 (1997-07-01), Motev
Dudek Marek
Fuoua Rick Lee
Lyden Thomas Burke
Smialek Mariusz
Szyszko Alexander
Elexon Ltc.
Yan Ren
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