Apparatus for developing copies

Claim 1

IN A APPARATUS FOR DEVELOPING COPY, THE COMBINATION WITH A HOUSING AND A DEVELOPING CONTAINER MOUNTED IN SAID HOUSING OF; A COLLAPSIBLE RESERVOIR HALING A FLEXIBLE WALL FOR A DEVELOPER LIGUID DISPOSED WITHIN SAID HOUSING BELOW SAID CONTAINER, SAID RESERVIOR BEING COMPRESSIBLE TO VARY ITS VOLUME AND PROVIDED WITH A RESTRICTED OUTLET; CONDUIT MEANS INTERCONNECTING SAID OUTLET AND SAID CONTAINER FOR DELIVERING SAID LIQUID TO THE LATTER UPON COMPRESSION OF SAID RESEVOIR AND RETURNING SAID LIQUID FROM SAID CONTAINER INTO SAID RESEVOIR; ACTUATING MEANS INCLUDING AT LEAST ONE ARM SWINGABLY MOUNTED ON SAID HOUSING FOR RAPID DISPLACEMENT BETWEEN OPERATIVE AND INOPERATIVE EXTREME POSITIONS AND STOP MEANS FOR HOLDING SAID ARM IN AT LEAST SAID OPERATIVE POSITION; PRESSURE MEANS INCLUDING A PLATE DISPLACEABLE IN SAID HOUSING AND OPERATINGLY CONNECTED WITH SAID ACTUATING MEANS WHILE BEARING UPON SAID RESERVOIR FOR COMPRESSING SAME; AND RESILIENT MEANS INTERPOSED BETWEEN SAID ACTUATING MEANS AND SAID RESERVIOR WHILE BEARING UPON SAID PLATE AND BEING LOADABLE UPON DISPLACEMENT OF SAID ACTUATING MEANS FROM SAID INOPERATIVE POSITION INTO SAID OPERATIVE POSITION FOR GRADUALLY COMPRESSING SAID RESEVOIR TO DISPENSE SAID LIQUID TO SAID CONTAINER WHILE SAID ARM IS MAINTAINED IN SAID OPERATIVE POSITION.