Apparatus for slitting rolls of cloth and method therefor

Claim 1

IN A MACHINE FOR SLITTING ROLLS OF FABRIC INTO MULTIPLE NARROW SPOOLS, A COMPOUND CARRIAGE HAVING CONNECTED PORTIONS MOVABLE WITH RESPECT TO EACH OTHER, ONE OF SAID PORTIONS BEING ADAPTED TO MOUNT A CUTTING TOOL; A MACHINE BED ON AND ALONG WHICH THE SAID OTHER CARRIAGE PORTION IS MOVABLE; DRIVE MEANS ON SAID BED AND CARRIAGE FOR EFFECTING TRAVEL OF SAID CARRIAGE ALONG THE BED; AN ELECTRIC MOTOR AND ELECTRIC CLUTCH ON THE CARRIAGE, CONNECTED WITH SAID DRIVE MEANS TO POWER THE LATTER; PNEUMATIC POWER MEANS CARRIED BY THE CARRIAGE TO EFFECT RELATIVE REVERSE MOVEMENTS OF THE SAID PORTIONS THEREOF WITH RESPECT TO EACH OTHER; ELECTRICALLY OPERATED VALVE MEANS CONNECTED TO THE POWER MEANS FOR CONTROLLING THE SAME; SPACER SWITCH MEANS CONNECTED WITH THE MOTOR AND CLUTCH FOR EFFECTING ENERGIZATION OF THE MOTOR AND GRIPPING OF THE CLUTCH; CUTINITIATING SWITCH MEANS CONNECTED TO THE ELECTRICALLYOPERATED VALVE MEANS FOR EFFECTING ENERGIZATION OF SAID VALVE MEANS, TO CAUSE ADVANCING MOVEMENT OF SAID ONE CARRIAGE PORTION FROM AN INITIAL RETRACTED POSITION, FOR EFFECTING A TOOL CUT; FORWARD SWITCH MEANS CONNECTED TO THE CUT-INITIATING SWITCH MEANS AND ELECTRICALLY OPERATED VALVE MEANS AND OPERABLE BY SAID ONE CARRIAGE PORTION UPON THE LATTER REACHING A PREDETERMINED ADVANCED POSITION, RENDERING INOPERATIVE SAID CUT-INITIATING SWITCH MEANS AND EFFECTING ENERGIZATION OF SAID VALVE MEANS TO CAUSE RETRACTION OF THE ONE CARRIAGE PORTION; MEANS ON THE CARRIAGE, RESPONSIVE TO SAID ONE CARRIAGE PORTION REACHING A PREDETERMINED RETRACTED POSITION, ACTUATING SAID SPACER SWITCH MEANS TO CAUSE TRAVERSING MOVEMENT OF THE CARRIAGE; LIMIT MEANS RESPONSIVE TO A PREDETERMINED TRAVEL OF THE CARRIAGE ALONG THE BED, RENDERING INOPERATIVE SAID SPACER SWITCH MEANS, INCLUDING MEANS FOR ACTUATING SAID CUT-INITIATING SWITCH MEANS TO CAUSE ANOTHER ADVANCE OF SAID ONE CARRIAGE PORTION TO EFFECT ANOTHER CUT.