Storage buffer apparatus for continuous-strip type photographic

Details Storage buffer apparatus for continuous-strip type photographic Storage buffer apparatus for continuous-strip type photographic

1993-12-02

1995-09-12

Rutledge, D.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

354339, 242417, 2424217, 226118, 226189, G03D 308, G03D 1308

Patent

active

054501547

ABSTRACT:
Transfer storage buffer apparatus for interconnecting processing machines for the development and printing of continuous-strip photographic material includes a plurality of rollers arranged on a fixed upper carriage and a movable lower carriage, respectively, at such positions that the material is alternately conveyed over the upper and lower rollers. The lower carriage is driven in both its upward and downward movement by an actuatable and adjustable elevating mechanism in the form of a pulley arrangement. The pulley arrangement includes a bracket sliding vertically on a fixed vertical support and locked to a flexible continuous-transmission element, and a lower pulley and an upper pulley over which the continuous-transmission element extends. A motor supplies power to the elevating mechanism to control the force under which the lower carriage is moved, to thereby regulate the tension on the photographic material.

REFERENCES:
patent: 3669375 (1972-06-01), Bruton
patent: 4215827 (1980-08-01), Roberts et al.
patent: 4341453 (1982-07-01), Rubin
patent: 4436292 (1984-03-01), Pfannschmidt
patent: 4769098 (1988-09-01), Cederholm et al.
patent: 4930672 (1990-06-01), Renzo
patent: 4967222 (1990-10-01), Nitsch

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