Vacuum operated solder removing filter

Claim 1

A SOLDER REMOVING TOOL COMPRISING: A CYLINDRICAL, CIRCULARLY HOLLOWED HOUSING HAVING AN AXIS AND TWO OPEN ENDS; MEANS CONNECTED TO SAID HOUSING AT ONE OF ITS OPEN END FOR CREATING A VACUUM THEREIN; AND A FILTER POSITION IN SAID HOUSING FOR TRAPPING SOLDER SUCKED INTO SAID HOUSING THROUGH THE OTHER OPEN END THEREOF, SAID FILTER COMPRISNG A SHAFT HAVING ITS LENGTH SUBSTANTIALLY SHORTER THAN THE LENGTH OF SAID HOUSING AND DISPOSED WITHIN SAID HOUSING SUBSTANTIALLY PARALLEL TO SAID AXIS, AND A PLURALITY OF SERRATED DISCS, EACH OF SAID DISCS HAVING AN ENLARGED CENTRAL OPENING THROUGH WHICH SAID SHAFT EXTENDS THAT IS OF SUFFICIENTLY GREATER DIAMETER THAN THE DIAMETER OF SAID SHAFT WHEREBY SAID DISCS ARE LOOSELY MOUNTED THEREON IN AN IN-LINE RELATIONSHIP TO PERMIT ROTATABLE AND AXIAL MOVEMENT OF SAID DISCS ON SAID SHAFT, AND MEANS ON THE OPPOSITE ENDS OF SAID SHAFT FOR RESTRICTING AXIAL MOVEMENT OF SAID DISCS THEREBETWEEN AND FOR RETAINING SAID DISCS ON SAID SHAFT, SAID SERRATED DISCS HAVING PLANAR CROSS-SECTIONAL AREAS SUBSTANTIALLY EQUAL TO BUT NO GREATER THAN THE CROSS-SECTIONAL AREA OF THE CIRCULAR HOLLOW PORTION OF SAID HOUSING.