Apparatus for rapid development of photographic film

Claim 1

APPARATUS FOR APPLYING DEVELOPING LIQUID TO A MOVING PHOTOGRAPHIC FILM OR THE LIKE COMPRISING AN ELONGATED SOLID SUPPORT HAVING AN INSERT OF RESILIENT MATERIAL, SAID INSERT HAVING WALLS DEFINING A TROUGH, SAID SUPPORT ENCLOSING A CAVITY BELOW SAID TROUGH AND RUNNING SUBSTANTIALLY PARALLEL THEREWITH, A CONTAINER FOR DEVELOPING LIQUID, CONDUITS INTERCONNECTING SAID CONTAINER WITH SAID CAVITY INCLUDING A PUMP FOR CIRCULATING THE LIQUID BETWEEN SAID CONTAINER AND SAID CAVITY, INLET AND OUTLET OPENINGS IN SAID TROUGH, A CONDUIT INTERCONNECTING SAID INLET OPENING WITH SAID CONTAINER AND ASPIRATOR MEANS IN THE CONDUIT INTERCONNECTING SAID CAVITY AND SAID CONTAINER FOR PRODUCING A CIRCULATION OF DEVELOPING LIQUID IN SAID TROUGH, SAID TROUGH HAVING VERTICALLY EXTENDING LIPS ADAPTED TO CONTACT SAID FILM AND SEAL THE AREA OVERLYING SAID TROUGH, MEANS FOR PRESSING SAID FILM THEREAGAINST WHILE IT MOVES IN THE DIRECTION TRANSVERSE TO SAID TROUGH.