Screen roller printing frame improvements

Details Screen roller printing frame improvements Screen roller printing frame improvements

1993-03-23

1993-11-30

Burr, Edgar S.

Printing

Stenciling

Stencils

3810291, B05C 1708

Patent

active

052655342

ABSTRACT:
A silk screen printing frame having screen tensioning rollers which are rotatable to stretch a printing screen edgewise across the frame and are mounted on the frame by improved roller mounting assemblies that secure the rollers to roller mounting members at the roller ends. Each roller mounting assembly has an end block portion fixed within the adjacent roller end, a wrench engaging portion beyond the roller end by which the roller may be turned and which may be integral with or a separate part from the end block portion, a bolt extending axially through the end block and wrench engaging portions and the adjacent roller mounting member, and a lock nut threaded on the outer end of the bolt for releasably securing the roller against turning. A head on the inner end of the bolt engages the inner side of the end block portion to restrain the bolt against being pulled outwardly through the assembly when the lock nut is tightened to secure the roller against turning.

REFERENCES:
patent: 3601912 (1971-08-01), Dubbs
patent: 3908293 (1975-09-01), Newman
patent: 4409749 (1983-10-01), Hamu
patent: 5018442 (1991-05-01), Hamu
patent: 5127176 (1992-07-01), Newman
patent: 5163367 (1992-11-01), Newman

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