Film processing apparatus

Claim 1

IN COMBINATION WITH FILM PROCESSING APPARATUS INCLUDING TANK MEANS, A CONTINUOUSLY DRIVEN ENDLESS SPROCKET CHAIN AND AN UPWARDLY OPEN, SUPPORTING AND GUIDING MEANS ADJACENT THE UPPER END OF SAID SPROCKET CHAIN, A PORTABLE LEAST ONE OF THE RUNS OF SAID SPROCKET CHAIN, A PORTABLE FILM RACK COMPRISING A CLOSED RIGID FRAME HAVING SIDE PARTS AND UPPER AND LOWER PARTS, AN UPPER SPOOL SHAFT ROTATABLY FIXED IN SAID SIDE PARTS AND HAVING A PROJECTING END PART EXTENDING BEYOND THE ADJACENT SIDE PART, A LOWER SPOOL SHAFT IN SAID FRAME, A SPROCKET WHEEL CARRIED BY THE PROJECTING END PART OF SAID UPPER SPOOL SHAFT, CLUTCH MEANS OPERATIVELY CONNECTING SAID SPROCKET WHEEL TO SAID SHAFT, AND SUPPORTING MEANS COOPERATING WITH SAID TANK MEANS AND SAID FRAME FOR SUPPORTING THE LATTER IN SAID TANK WITH SAID SPROCKET WHEEL OPERATIVELY ENGAGED WITH THE SUPPORTED AND GUIDED RUN OF SAID SPROCKET CHAIN.