Apparatus for greasing baking pans

Claim 1

APPARATUS FOR GREASING BAKING PANS COMPRISING: MEANS FOR SUPPORTING A BAKING PAN WITH ITS BAKING SURFACES EXPOSED; A SPRAY NOZZLE; A DELIVERY PUMP HAVING A CHAMBER COMMUNICATING WITH SAID NOZZLE; A DELIVERY PISTON MOVABLE IN SAID CHAMBER TO EJECT GREASING OIL THEREFROM THROUGH SAID NOZZLE IN A FINELY DISPERSED SPRAY; AIR ACTUATED PISTON MEANS FOR MOVING SAID DELIVERY PISTON IN SAID PUMP CHAMBER UNIT SUPPLYING OIL TO SAID PUMP ACCUMULATOR CHAMBER UNIT SUPPLYING OIL TO SAID PUMP CHAMBER AT CONSTANTLY MAINTAINED PRESSURE WITHOUT RECIRCULATION THEREOF, SAID SUPPLY PUMP COMPRISING A PISTON ACTUABLE BY AIR PRESSURE IN A PUMPING DIRECTION AND SAID ACCUMULATOR CHAMBER INCLUDING A SPRING-LOADED PISTON MOVABLE AGAINST ITS SPRING BIAS BY THE SUPPLY PUMPING PRESSURE; MEANS FOR FLOWING OIL FROM THE SUPPLY PUMP CHAMBER INTO THE ACCUMULATOR CHAMBER; MEANS CONNECTING SAID ACCUMULATOR CHAMBER TOT HE INLET TO SAID DELIVERY PUMP CHAMBER SO THAT THE SUPPLY OF OIL TO THE DELIVERY PUMPING CHAMBER WILL ALWAYS BY UNDER A PRESSURE NOT LESS THAN THAT EXERTED BY THE FORCE OF THE BIASING SPRING FOR THE ACCUMULATOR CHAMBER PISTON; AND MEANS SUPPORTING SAID SPRAY NOZZLE IN POSITION TO DIRECT THE OIL SPRAY THEREFROM ONTO THE BAKING SURFACES OF SAID PAN.