Liquid developer for photoelectrostatic copier

Claim 2

IN A DEVELOPER CONSTRUCTION OF THE TYPE IN WHICH A DEVELOPER LIQUID FROM A RESERVOIR CONTACTS SHEET OR WEB MATERIAL CONTAINING AN ELECTROSTATIC IMAGE, A SUPPLY RECEPTACLE FOR CONTAINING A QUANTITY OF DEVELOPER LIQUID, A SUPPORTING STRUCTURE CARRYING THE RECEPTACLE AND MOUNTING THE RECEPTACLE FOR MOVEMENT, FEEDING MEANS FOR MOVING THE SHEET OR WEB MATERIAL RELATIVE TO THE DEVELOPER CONSTRUCTION, AND DRIVE MEANS COUPLED TO THE SUPPORTING STRUCTURE AND ACTUATED BY THE FEEDING MEANS FOR MOVING THE SUPPORTING STRUCTURE TO AGITATE THE CONTENTS OF THE SUPPLY RECEPTACLE CARRIED THEREON.

Claim 3

A LIQUID DEVELOPER UNIT IN WHICH AN ELECTROSTATIC IMAGE ON ONE SURFACE OF SHEET MATERIAL IS DEVELOPED BY CONTACT WITH A DEVELOPER LIQUID CONTAINING ELECTROSPIC POWDER COMPRISING A RESERVOIR TANK ADAPTED TO CONTAIN A BODY OF DEVELOPER LIQUID, A FIRST GENERALLY CURVED STRUCTURE SUPPORTED ABOVE THE LEVEL OF THE DEVELOPER LIQUID IN THE TANK, A SECOND GENERALLY CURVED STATIONARY STRUCTURE DISPOSED ABOVE AND CLOSELY ADJACENT THE FIRST CURVED STRUCTURE TO DEFINE A GENERALLY CURVED PASSAGEWAY HAVING A SHEET MATERIAL INLET AND AN OUTLET SPACED FROM EACH OTHER, FEEDING MEANS FOR FEEDING SHEET MATERIAL THROUGH THE PASSAGEWAY WITH THE ONE SURFACE FACING THE FIRST CURVED STRUCTURE, AN ELONGATED LIQUID INLET MEANS TO SAID PASSAGEWAY FORMED IN SAID FIRST STRUCTURE AND LOCATED BETWEEN THE SHEET MATERIAL INLET AND THE OUTLET, SAID LIQUID INLET MEANS EXTENDING TRANSVERSE TO THE DIRECTION OF MOVEMENT OF THE SHEET MATERIAL THROUGH THE PASSAGEWAY AND DISPOSED AT A LEVEL BELOW SAID SHEET OUTLET MEANS, AN ELONGATED LIQUID DISTRIBUTOR MEANS DISPOSED IN COMMUNICATION WITH THE LIQUID INLET MEANS, AND A PUMPING MEANS CONNECTED TO THE LIQUID DISTRIBUTOR MEANS FOR PUMPING DEVELOPER LIQUID FROM THE RESERVOIR THROUGH THE LIQUID DISTRIBUTOR MEANS AND THE LIQUID INLET MEANS TO FLOW THROUGH THE PASSAGEWAY IN THE DIRECTION OF MOVEMENT OF THE SHEET MATERIAL AND TOWARD THE OUTLET, THE PUMPING MEANS PROVIDING A SUFFICIENT BODY OF DEVELOPER LIQUID TO CONTACT AND DEVELOP THE ELECTROSTATIC IMAGE ON THE ONE SURFACE OF THE SHEET MATERIAL AND TO HOLD THE ONE SURFACE OF THE SHEET MATERIAL OUT OF CONTACT WITH THE FIRST CURVED STRUCTURE.

Claim 4

A LIQUID DEVELOPER UNIT IN WHICH AN ELECTROSTATIC IMAGE ON ONE SURFACE OF SHEET MATERIAL IS DEVELOPED BY CONTACT WITH A DEVELOPER LIQUID CONTAINING ELECTROSPIC POWDER COMPRISING A RESERVOIR TANK ADAPTED TO CONTAIN A BODY OF DEVELOPER LIQUID, A FIRST GENERALLY CURVED STRUCTURE SUPPORTED ABOVE THE LEVEL OF THE DEVELOPER LIQUID IN THE TANK, A SECOND GENERALLY CURVED STATIONARY STRUCTURE DISPOSED ABOVE AND CLOSELY ADJACENT THE FIRST CURVED STRUCTURE TO DEFINE A GENERALLY CURVED PASSAGEWAY HAVING A SHEET MATERIAL INLET AND AN OUTLET SPACED FROM EACH OTHER, FEEDING MEANS FOR FEEDING SHEET MATERIAL THROUGH THE PASSAGEWAY WITH THE ONE SURFACE FACING THE FIRST CURVED STRUCTURE, AN ELONGATED LIQUID INLET MEANS TO SAID PASSAGEWAY FORMED IN SAID FIRST STRUCTURE AND LOCATED BETWEEN THE SHEET MATERIAL INLET AND THE OUTLET, SAID LIQUID INLET MEANS EXTENDING TRANSVERSE TO THE DIRECTION OF MOVEMENT OF THE SHEET MATERIAL THROUGH THE PASSAGEWAY AND DISPOSED AT A LEVEL BELOW SAID SHEET OUTLET MEANS, AN ELONGATED LIQUID DISTRIBUTOR MEANS DISPOSED IN COMMUNICATION WITH THE LIQUID INLET MEANS, AND A PUMPING MEANS CONNECTED TO THE LIQUID DISTRIBUTOR MEANS FOR PUMPING DEVELOPER LIQUID FROM THE RESERVOIR THROUGH THE LIQUID DISTRIBUTOR MEANS AND THE LIQUID INLET MEANS TO FLOW THROUGH THE PASSAGEWAY IN THE DIRECTION OF MOVEMENT OF THE SHEET MATERIAL AND TOWARD THE OUTLET, THE PUMPING MEANS PROVIDING A SUFFICIENT BODY OF DEVELOPER LIQUID TO CONTACT AND DEVELOP THE ELECTROSTATIC IMAGE ON THE ONE SURFACE OF THE SHEET MATERIAL AND TO HOLD THE ONE SURFACE OF THE SHEET MATERIAL OUT OF CONTACT WITH THE FIRST CURVED STRUCTURE.