Positionally constraining web support

Details Positionally constraining web support Positionally constraining web support

1974-09-10

1976-10-19

Schacher, Richard A.

Advancing material of indeterminate length

With material-responsive control means

To position material laterally

226196, B65H 2526

Patent

active

039866505

ABSTRACT:
Web support for constraining the entering portion of a moving web against change in its spatial lateral position while remaining free to change its angular lateral position. The web support includes a web engaging surface which presents substantially no lateral resistance to the entering position of the moving web, and opposed edge guides mounted in a predetermined position on a fixed frame adjacent to the web engaging surface. The edge guides have opposed web engaging portions a fixed distance apart which distance corresponds substantially to the width of the moving web.

REFERENCES:
patent: 3315859 (1967-04-01), Owen
patent: 3507437 (1970-04-01), Lips
patent: 3598332 (1971-08-01), Sharkey
patent: 3658227 (1972-04-01), Stephens
patent: 3753517 (1973-08-01), Takenaka

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