Device for manufacturing copies

Claim 1

IN COPYING APPARATUS COMPRISING A PROCESSING TANK FOR A TREATMENT LIQUID, A RESERVOIR FOR SAID LIQUID AND CONDUIT MEANS LEADING FROM SAID RESERVOIR TO SAID TANK, THE COMBINATION THEREWITH OF A LIQUID-DELIVERY UNIT INCLUDING PUMP MEANS AND A DRIVE MOTOR THEREFOR DISPOSED IN SAID RESERVOIR BELOW THE LIQUID LEVEL, SAID RESERVOIR HAVING AN OPENING AT ITS TOP, CASING MEANS IN SAID RESERVOIR FORMING A LIQUID-TIGHT ENVELOPE AROUND SAID UNIT, SAID CASING MEANS INCLUDING A FLEXIBLE SHEATH DEPENDING FROM SAID OPENING AND EXTENDING AROUND AT LEAST A MAJOR PART OF SAID UNIT, SAID PUMP MEANS BEING PROVIDED WITH AN INTAKE NIPPLE PASSING OUTWARDLY THROUGH SAID CASING MEANS NEAR THE BOTTOM OF SAID RESERVOIR AND BEING FURTHER PROVIDED WITH A DISCHARGE PORT, SAID CONDUIT MEANS INCLUDING A FLEXIBLE HOSE RISING FROM SAID DISCHARGE PORT THROUGH SAID OPENING, AND AN ENERGIZING CIRCUIT FOR SAID MOTOR INCLUDING CABLE MEANS EXTENDING THROUGH SAID OPENING TO SAID UNIT.