Automatic film processing apparatus

Claim 1

IN A FILM PROCESSING APPARATUS INCLUDING THREE TANKS OF PROCESSING LIQUIDS, A CARRIAGE MOUNTED FOR HORIZONTAL SLIDING MOVEMENT, A BRACKET MOUNTED ON SAID CARRIAGE TO PROJECT DOWNWARDLY THEREFROM, MEANS SUPPORTING AN ENDLESS SPROCKET CHAIN FOR MOVEMENT ON SAID BRACKET SO THAT AT LEAST ONE FLIGHT OF SAID CHAIN EXTENDS SUBSTANTIALLY VERTICALLY, MEANS FOR SUSPENDING FILM FROM ONE LINK OF SAID CHAIN, MOTOR MEANS FOR MOVING SAID CARRIAGE HORIZONTALLY, SEPARATE MOTOR MEANS FOR MOVING SAID SPROCKET CHAIN, AND MEANS SEQUENTIALLY ENERGIZING SAID CARRIAGEMOVING MOTOR MEANS AND SAID CHAIN-MOVING MOTOR MEANS SO THAT FILM SUSPENDED FROM SAID FHAIN IS IMMERSED SUCCESSIVELY IN THE FIRST, SECOND, AND THIRD TANK, THEN BACK TO THE SECOND OF THE TANKS, AND FINALLY RETURNED TO ITS INITIAL POSITION OVER THE FIRST TANK, SAID ENERGIZING MEANS INCLUDING AN ELECTRIC CIRCUIT HAVING AUTOMATICALLY-CONTROLLED MULTIPLE SWITCH MEANS FOR SID MOTOR MENS, SAID MULTIPLE SWITCH MEANS INCLUDING A FIRST SWITCH MEANS ENERGIZING SID CARRIAGE-MOVING MOTOR MEANS IN ONE DIRECTION, A SECOND SWITCH MEANS ENERGIZING SAID CARRIAGEMOVING MOTOR MEANS IN THE OPPOSITE DIRECTION, A THIRD SWITCH MEANS ENERGIZING SAID CHAIN-MOVINGMOTOR MEANS IN ONE DIRECTION, AND A FOURTH SWITCH MEANS ENERGIZING SAID CHAIN-MOVING MOTOR MEANS IN THE OPPOSITE DIRECTION.