Printing screen and tensioning means

Details Printing screen and tensioning means Printing screen and tensioning means

1975-04-17

1976-11-16

Crowder, Clifford D.

Printing

Stenciling

Stencils

1014151, B41F 1536

Patent

active

039916774

ABSTRACT:
A printing screen and tensioning means including a rigid frame structure formed of channel shaped side members joined at the corners of the frame structure; the underside of each frame member receiving a parallelogram structure, each parallogram structure having a first and second side member connected by pivot links; the first side member being disposed adjacent the inner margin of the frame member and longitudinally movable by a screw drive; the second side member being guided for transverse movement in the frame member to and from the first member and having continuous screen attachment means; the printing screen having a continuous clip element at each side received on the attachment means, whereby upon operation of the screw drives the second side member applies a laterally outward force for uniformly stretching a corresponding side of the printing screen.

REFERENCES:
patent: 1937750 (1933-12-01), Elliot
patent: 2218451 (1940-10-01), Heyne
patent: 2916990 (1959-12-01), Du Bois
patent: 3110255 (1963-11-01), Jeschke et al.
patent: 3416445 (1968-12-01), Krueger, Jr.
patent: 3507062 (1970-04-01), Moyer
patent: 3788216 (1974-01-01), Lambert

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