Electrostatographic light sensitized drum cleaning arrangement in wet-type development

Claim 1

An electrostatographic light sensitized drum cleaning arrangement in wet-type developing comprising AN OPEN CHAMBER HAVING DEVELOPING SOLUTION CONTAINING PARTICLES THEREIN; AN ELECTROSTATOGRAPHIC LIGHT SENSITIZED ROTATABLE DRUM HAVING PART THEREOF IMMERSED IN SAID DEVELOPING SOLUTION; SAID DRUM HAVING A PHOTOCONDUCTIVE LAYER FORMED THEREON; AN OPTICAL SYSTEM ADAPTED TO FORM AN ELECTROSTATIC LATENT IMAGE UPON SAID LAYER, SAID OPTICAL SYSTEM SPACED FROM SAID DRUM IN A LOCATION OPPOSITE TO THE IMMERSED PART OF SAID DRUM; A RECORDING SUPPORT HAVING RECORDING PAPER THEREON POSITIONED IN ROTATABLE CONTACT WITH SAID LAYER, SAID RECORDING SUPPORT LOCATED BETWEEN SAID OPTICAL SYSTEM AND SAID IMMERSED PART OF SAID DRUM; A LEVER; A BRUSH MOUNTED FOR ROTATION AT ONE END OF SAID LEVER, SAID BRUSH AND LEVER BEING COMPLETELY IMMERSED IN THE DEVELOPING SOLUTION IN SAID CHAMBER, THE OTHER END OF SAID LEVER MOUNTED IN PIVOTING RELATION ON THE SIDE OF SAID CHAMBER; AND SAID LEVER BEING PIVOTABLE TO SELECTIVELY MOVE SAID BRUSH INTO AND OUT OF PARTICLE CLEANING CONTACT WITH A PORTION OF SAID LAYER THAT HAS BEEN ROTATED TO BE IMMERSED AFTER PASSING SAID OPTICAL SYSTEM AND SAID RECORDING SUPPORT.