Apparatus for cleaning industrial parts

Claim 1

IN A WASHING MACHINE HAVING A TANK ADAPTED TO HOLD CLEANING FLUID AND A RACK MOVABLE FROM A RAISED POSITION ABOVE THE TANK TO A LOWERED POSITION WITHIN THE TANK BELOW THE LEVEL OF THE CLEANING FLUID AND BACK TO THE RAISED POSITION THE IMPROVEMENT COMPRISING (A) FIRST MEANS FOR SUPPORTING A BASKET CONTAINING PARTS TO BE WASHED WHILE THE BASKET ROLLS FROM A FIRST POSITION ADJACENT A FIRST SIDE OF THE TANK ONTO THE RACK WHILE THE RACK IS IN THE RAISED POSITION; (B) SECOND MEANS FOR COOPERATING WITH A PART OF THE BASKET STRUCTURE WHILE THE RACK IS IN THE RAISED POSITION TO ARREST THE ROLLING MOVEMENT OF THE BASKET ACROSS THE RACK IN A SECOND POSITION SUCH THAT THE RACK AND BASKET MAY BE LOWERED INTO THE TANK, SAID SECOND MEANS DISENGAGING FROM THE BASKET AND CEASING TO IMPEDE ITS MOTION FOLLOWING A DOWNWARD MOTION OF THE RACK THROUGH A PREDETERMINED DISTANCE; (C) THIRD MEANS FOR PROMOTING MOTION OF THE BASKET ON THE RACK UNDER THE FORCE OF GRAVITY TOWARD A SECOND SIDE OF THE TANK OPPOSITE TO THE FIRST SIDE OF THE TANK AFTER DISENGAGEMENT OF THE SECOND MEANS FROM THE BASKET; (D) FOURTH MEANS OPERATIVE AFTER DISENGAGEMENT OF THE SECOND MEANS FROM THE BASKET FOR ARRESTING THE MOTION OF THE BASKET ON THE RACK TOWARD THE SECOND SIDE OF THE TANK IN A THIRD POSITION CLOSER TO THE SECOND SIDE OF THE TANK THAN THE SECOND POSITION; (E) FIFTH MEANS OPERATIVE UPON MOVEMENT OF THE RACK BACK TO THE RAISED POSITION TO DISENGAGE THE FOURTH MEANS FROM THE BASKET; AND (F) SIXTH MEANS FOR SUPPORTING THE BASKET WHILE THE BASKET ROLLS OFF THE RACK FROM THE THIRD POSITION.