Brush trimmer

Claim 1

A TRIMMING MACHINE FOR CHISEL POINTING FREE ENDS OF A BUNDLE OF BRISTLES IN A BRUSH, COMPRISING: A BASE; A CONVEYOR OPERATIVELY ASSOCIATED WITH SAID BASE FOR MOUNTING THE BRUSHES AND MOVING THE BRUSHES IN A PATH; A FIRST PAIR OF TRIMMING HEADS FOR ROUGH CHISEL POINT TRIMMINING FREE ENDS OF THE BUNDLE OF BRISTLES AND A SECOND PAIR OF TRIMMING HEADS FOR FINISH CHISEL POINT TRIMMING THE ROUGH TRIMMED FREE ENDS, EACH HEAD HAVING A TRIMMER ALONG SAID PATH AND INCLUDING A DRIVEN ROTARY CUTTER AND A COOPERATING STATIONARY CUTTER FOR RECEIVING SAID FREE ENDS AND TRIMMING ONLY ONE SIDE OF THE BRISTLE BUNDLE, THE CUTTERS HAVING COOPERATING CUTTING PROFILES COMPLEMENTARY TO EACH OTHER AND EACH WITH AN APEX AND SIDES DIVERGING OUTWARDLY AT ABOUT NINETY DEGREES FROM SAID APEX, AND SAID APEX BEING ARCUATE AND GENERALLY TANGENT TO SAID SIDES, THE TRIMMERS OF EACH HEAD BEING SUBSTANTIALLY IDENTICAL, MEANS FOR GUIDING INTO EACH TRIMMER THE SIDE OF THE BRISTLES TO BE TRIMMED BY THE RESPECTIVE TRIMMER, AND A FLIPPER MEMBER AT A BRUSH RECEIVING END OF THE HEAD FOR ENGAGING THE BRISTLE-FREE ENDS AND INDIVIDUALLY FLIPPING EACH FREE END INTO THE ROTARY CUTTER; AND MEANS MOUNTING THE HEADS ON SAID BASE FOR TRIMMING OPPOSITE SIDES OF THE BRISTLES WITH THE APEX AND ONLY ONE SIDE OF EACH CUTTER CUTTING THE BRISTLE-FREE ENDS, AND FOR RELATIVE MOVEMENT LATERALLY OF SAID PATH OF RECEIVING VARIOUS THICKNESS OF BRUSHES, AND FOR VARYING THE EFFECTIVE ANGLE OF THE TRIMMERS WITH RESPECT TO SAID PATH TO VARY THE SHAPE OF THE TRIMMED FREE ENDS.