Advancing material of indeterminate length – By intermittent material-mover – Comprising material-moving roll
Patent
1983-10-13
1985-10-01
Mathews, A. A.
Advancing material of indeterminate length
By intermittent material-mover
Comprising material-moving roll
226186, 226190, G03D 313
Patent
active
045442533
ABSTRACT:
An apparatus for conveying photographic layer-bearing carriers in the shape of webs or sheets through photochemical baths of developing machines, with passages for the layer-bearing carriers open between one or several pairs of transport rollers, some of which are driven, and providing a passage gap for the layer carriers between conveying rollers being elastically resilient in a direction radial with regard to the roller shaft. In order to guarantee a truly unobjectionably developed product, with the minimum possible of assembly and maintenance costs, the roller which is destined to make contact with the uncoated reverse side of a layer-bearing carrier is a roller of variable cross-sectional area, having a number of radially yielding contact elements arranged side by side on the roller shaft, which elements are disc-shaped lamellae or mushroom-shaped lamellae the peripheries of which are directed toward the second or external roller of a roller pair, or are in contact with the peripheral wall of the last-mentioned roller.
REFERENCES:
patent: 3078024 (1963-02-01), Sardeson
patent: 3345928 (1967-10-01), Krehbiel
patent: 3847260 (1974-11-01), Fowler
patent: 3989176 (1976-11-01), Hope et al.
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