Means for cleaning the cylindrical surface of printing press blanket roller

Claim 1

A MECHANISM FOR SCRAPING AND CLEANING THE CYLINDRICAL SURFACE OF AN ELONGATED BLANKET ROLLER COMPRISING (A) A TROUGH ADAPTED TO CONTAIN A CLEANING FLUID, (B) AN ELONGATED BRUSH ROTATABLE IN THE UPPER AREA OF THE TROUGH ABOVE THE LEVEL OF THE FLUID THEREIN, (C) MEANS FOR SUPPORTING THE BRUSH IN CONTACT WITH AND FOR ROTATION RELATIVE TO SAID SURFACE OF SAID BLANKET ROLLER, (D) AND AN ELONGATED ROTATABLE APPLICATOR ROLLER MOUNTED IN SAID TROUGH AND HAVING ITS CYLINDRICAL SURFACE IN BEARING ENGAGEMENT WITH SAID BRUSH AND PROVIDED WITH SHALLOW DEPRESSIONS FUNCTIONING TO TRANSFER THE FLUID FROM SAID TROUGH TO THE BRISTLES OF SAID BRUSH IN A UNIFORM AMOUNT FOR TRANSFER BY SAID BRUSH IN THE FORM OF A FILM OF FLUID TO SAID CYLINDRICAL SURFACE OF SAID BLANKET ROLLER, THE CYLINDRICAL SURFACE OF SAID APPLICATOR ROLLER HAVING INTERSECTING SPIRAL GROOVES FORMED THEREON WHICH ENGAGE AND COMB THE BRISTLES OF SAID BRUSH WHEN SAID BRUSH AND APPLICATOR ROLLER ARE ROTATED RELATIVE TO EACH OTHER.