Strip feeding mechanism

Details Strip feeding mechanism Strip feeding mechanism

1975-08-25

1977-06-14

Saifer, Robert W.

Advancing material of indeterminate length

With material-responsive control means

To regulate longitudinal movement of material

226 90, B65H 2504

Patent

active

040292479

ABSTRACT:
A feeding mechanism for supplying elongated strips of material, such as photographic print paper and the like, in a tension-free state by use of a slack loop of said material, the size of which varies in response to the demands of a processing machine. Said loop actuates a switch for energizing and deenergizing a drive mechanism for supplying said loop from a supply roll so that the size of the slack loop directly controls the supply mechanism.

REFERENCES:
patent: 1263419 (1918-04-01), James
patent: 2314070 (1943-03-01), Bogoslowsky
patent: 3031120 (1962-04-01), Chytil
patent: 3225989 (1965-12-01), Stine
patent: 3804312 (1974-04-01), Lagergren

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