Automatic silk-screen printing machine including an electromagne

Details Automatic silk-screen printing machine including an electromagne Automatic silk-screen printing machine including an electromagne

1981-12-21

1983-09-20

Eickholt, E. H.

Printing

Stenciling

Stencil and work support

B05C 1706, B41F 1508

Patent

active

044049048

ABSTRACT:
An automatic silk-screen printing machine including means for synchronized control of movements comprising a relative linear movement between the screen and a doctor blade, a downward movement of the doctor blade and a simultaneous upward movement of the member which holds the object to be printed, characterized by a mechanism for moving the doctor blade holder (14) downwards and upwards, comprising a pivoting arm (15) the pivot point (16) of which is fixed relative to the means for linearly moving the doctor blade, means (18) for yieldingly returning said arm to a position corresponding to the up position of the doctor blade, a member (17) having an abutment plate above said arm, a link (19) the pivot pin (190) of which is integral with said arm and at one end of which is mounted the axle of a wheel (191) bearing against said abutment surface, a rod (20) connected at one end thereof to said link so as to cause it to oscillate about its pivot pin, an electromagnet (21) having a movable member integral with the opposite end of said rod and means for causing temporary energization of said electromagnet to control downward movement of the doctor blade.

REFERENCES:
patent: 2845859 (1958-08-01), Gattuso
patent: 3492942 (1970-02-01), Forslund
patent: 3973490 (1976-08-01), Black
patent: 4109573 (1978-08-01), Strauch et al.

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