Method of and apparatus for developing photographic film

Claim 1

APPARATUS FOR USE IN THE TREATMENT OF EXPOSED PHOTOGRAPHIC FILM DURING THE DEVELOPING THEREOF IN A DEVELOPING TANK CONTAINING A FILM-TREATING LIQUID AND EQUIPPED WITH A FILM-HOLDING REEL LOOSELY LOCATED IN SAID TANK AND IMMERSED IN SAID LIQUID AND WITH A ROD MEMBER DRIVABLY COUPLED TO SAID REEL WITHIN THE CONFINES OF SAID TANK AND HAVING A PORTION EXTENDING UPWARDLY OUT OF SAID TANK COAXIALLY WITH THE LATTER; SAID APPARATUS COMPRISING A BASE, A TURNTABLE SUPPORTED BY SAID BASE FOR ROTATION ABOUT A VERTICAL AXIS, AN ELECTRIC MOTOR MOUNTED ON SAID BASE AND OPERATIVELY CONNECTED TO SAID TURNTABLE FOR ROTATING THE SAME, RADIALLY ADJUSTABLE MEANS CONNECTED WITH SAID TURNTABLE AND ADAPTED FOR GRIPPING SAID TANK WHEN THE LATER IS ON SAID TURNTABLE SO AS TO LOCATE SAID TANK IN A CENTERED POSITION ON SAID TURNTABLE AND SO AS TO ENSURE ROTATION OF SAID TANK WITH SAID TURNTABLE, AN UPRIGHT STANDARD AFFIXED TO SAID BASE, A FRAME MEMBER SLIDABLY SUPPORTED BY SAID STANDARD FOR VERTICAL MOVEMENT THEREALONG, MEANS FOR RELEASABLY LOCKING SAID FRAME MEMBER