Brake adjuster for railway vehicles

Claim 1

A BRAKE ADJUSTER TO BE MOUNTED BETWEEN A TRACTION POWER SYSTEM AND A BRAKING SYSTEM, WHICH COMPRISES A BODY HAVING A FRONT END COUPLED TO SAID TRACTION POWER SYSTEM AND A REAR END FORMED WITH A BOTTOM, A TRACTION ROD SLIDABLY MOUNTED IN SAID BODY AND HAVING A FORWARD END FORMED WITH A CIRCULAR BEARING FLANGE, A REAR END EXTENDING THROUGH THE BOTTOM OF SAID BODY AND COUPLED TO SAID BRAKING SYSTEM, AND AN INTERMEDIATE PORTION HAVING AN UPPER FACE IN WHICH TEETH ARE CUT, A TRIGGER SLIDABLY MOUNTED ON AND SURROUNDING THE REAR PORTION OF SAID BODY, SAID TRIGGER HAVING TWO CONTROL ENDS DISPOSED ON EITHER SIDE OF SAID TOOTH PORTION OF SAID TRACTION ROD, SAID ENDS BEING DIRECTED FORWARDS AND BENT UPWARDS, SAID BODY HAVING A STOP RING DISPOSED FORWARD OF SAID TRIGGER A FIRST SPRING HOUSED IN THE REAR PORTION OF SAID BODY AND ADAPTED TO BEAR AGAINST SAID BOTTOM FOR URGING SAID TRIGGER FORWARD TO A POSITION OF ENGAGEMENT WITH SAID STOP RING, MEANS CARRIED BY SAID TRIGGER AND CO-ACTING WITH SAID BODY AND SAID TEETH ON SAID TRACTION ROD FOR COUNTERACTING THE FORWARD SLIPPING MOVEMENT OF SAID ROD IN SAID BODY WHEN SAID TRIGGER ENGAGES SAID STOP RING IN SAID BODY AND PERMITTING SAID FORWARD SLIPPING MOVEMENT OF SAID ROD IN SAID BODY WHEN SAID TIRGGER IS SHIFTED TO A CERTAIN EXTENT TOWARDS THE REAR OF SAID STOP RING IN SAID BODY AGAINST THE RESISTANCE OF SAID FIRST SPRING, A SECOND SPRING HOUSED BEHING SAID CIRCULAR FLANGE AND BEARING AGAINST SAID BODY TO URGE SAID TRACTION ROD FORWARDS WITH RESPECT TO SAID BODY, SAID BODY HAVING FORMED THEREIN ABOVE THE TEETH OF SAID TRACTION ROD AT LEAST ONE RECESS COMPRISING AN UPPER WALL OVERLYING SAID TEETH AND CONSISTING OF TWO INCLINED FACES, AND, ON EITHER SIDE OF SAID TEETH, TWO LATERAL WALL COMPRISING EACH A FLAT SMALL FACE PERPENDICULAR TO THE AXIS OF THE ADJUSTER, A CLAMP LOCATED IN SAID RECESS, FORMED WITH TWO UPPER INCLINED FACES OF SAID ADAPTED TO BEAR FLAT AGAINST SAID INCLINED FACES OF SAID UPPER WALL OF SAID RECESS, A LOWER FACE FORMED WITH TEETH ADAPTED TO MESH WITH THE TEETH OF SAID TRACTION ROD AND TWO LATER FACES EACH PROVIDED WITH A FLAT PROJECTING PORTION BOUNDED ON THE ONE HAND BY A FLAT SMALL FACE PERPENDICULAR TO THE AXIS OF THE ADJUSTER AND ADAPTER TO BEAR FLAT AGAINST SAID SMALL FACE OF ONE OF SAID LATERAL WALLS OF SAID RECESS WHEN SAID TWO UPPER INCLINED FACES OF SAID CLAMP ENGAGE SAID INCLINED FACES OF SAID UPPER WALL OF SAID RECESS, AND ON THE OTHER HAND BY ANOTHER FLAT SMALL FACE INCLINED FORWARDS AND DOWNWARDS AT AN ANGLE OF ABOUT 45* TO SAID AXIS, A PIN EXTENDING THROUGH THE UPPER PORTION OF SAID CLAMP, A V-SHAPED SPRING MOUNTED ON THE ENDS OF SAID PIN AND BEARING WITH ITS TWO ARMS AGAINST SAID INCLINED FACES OF SAID UPPER INCLINED WALL OF SAID RECESS TO URGE SAID CLAMP OUT FROM SAID RECESS TO A POSITION OF MESHING ENGAGEMENT BETWEEN ITS LOWER TOOTHED FACE AND SAID UPPER TOOTHED FACE OF SAID TRACTION ROD, A PUSH MEMBER HAVING TWO PORTIONS SLIDABLY MOUNTED IN SAID BODY ON EITHER SIDE OF THE TEETH OF SAID UPPER FACE OF SAID TRACTION ROD, SAID TWO PORTIONS HAVING EACH THEIR REAR ENDS SHAPED TO CONSTITUTE TRANSMISSION ENDS, BEING FORMED WITH A FLAT SMALL INCLINED FACE PARALLEL TO SAID FLAT SMALL INCLINED FACES OF SAID LATERAL PROJ ECTING PORTIONS OF SAID CLAMP, AND BEING FURTHER ADAPTED TO BEAR AGAINST ONE OF SAID INCLINED SMALL FACES WHEN SAID TRANSMISSION ENDS OF SAID PUSH MEMBER ARE SUBJECTED TO A FORWARD STRESS TO CAUSE SAID CLAMP TO SLIDE AND RISE UP SAID SMALL FACES, PERPENDICULAR TO THE AXIS OF THE ADJUSTER, OF SAID LATERAL PROJECTING PORTIONS OF SAID CLAMP, AGAINST THE SMALL FACES PERPENDICULAR TO SAID AXIS OF SAID LATERAL WALL OF SAID CLAMP-RECEIVING RECESS, TO A RETRACTED POSITION OF SAID CLAMP WHEREIN SAID UPPER INCLINED FACES OF SAID CLAMP ENGAGE THE INCLINED FACES OF THE UPPER WALL OF SAID RECESS, THE CONTROL ENDS OF SAID TRIGGER ENGAGING THEMSELVES UP THE TRANSMISSION ENDS OF SAID PUSH MEMBER WHEN SAID TRIGGER IS URGED BY SAID FRIST SPRING AGAINST SAID STOP RING OF SAID BODY TO HOLD SAID CLAMP IN ITS RETRACTED POSITION, A PAIR OF ELASTIC BLADES MOUNTED IN SAID BODY ON EITHER SIDE OF SAID TEETH FORMED IN THE UPPER FACE OF SAID TRACTION ROD AND HAVING EACH A RETAINING END DIRECTED FORWARDS TOWARDS SAID TRANSMISSION END OF ONE OF SAID PORTIONS OF SAID PUSH MEMBER AND SPACED FROM SAID LAST-NAMED END BY A SMALL PLAY E WHEN SAID TRIGGER, URGED BY SAID FIRST SPRING TO ITS POSITION OF ENGAGEMENT WITH THE STOP RING OF SAID BODY, HOLDS WITH ITS CONTROL ENDS SAID CLAMP IN ITS RETRACTED POSITION, SAID RETAINING ENDS OF SAID ELASTIC BLADES BEING ADAPTED TO RETAIN THE TRANSMISSION ENDS OF SAID PUSH MEMBER WHEN SAID TRIGGER AND ITS CONTROL ENDS HAVE BEEN SHIFTED BACKWARDS OF SAID BODY FROM THEIR POSITION OF ENGAGEMENT WITH SAID STOP RING OF SAID BODY AGAINST SAID FIRST SPRING BY SAID PLAY E, SAID ELASTIC BLADES BEING FORMED AT A CERTAIN DISTANCE FROM THEIR RETAINING ENDS AND BACKWARDS THERETO WITH RELEASE ELBOWS EXTENDING DOWNWARDS AND ENGAGEABLE BY SAID BENT CONTROL ENDS OF SAID TRIGGER TO RAISE THE RETAINING ENDS OF SAID ELASTIC BLADE AND THUS RELEASE THE TRANSMISSION ENDS OF SAID PUSH MEMBER WHILE ENABLING SAID CLAMP SPRING TO URGE SAID CLAMP DOWNWARDS, OUTSIDE SAID RECESS, UNTIL SAID CLAMP ENGAGES WITH ITS TOOTHED LOWER FACE SAID TOOTHED UPPER FACE OF SAID TRACTING ROD WHEN SAID TIRGGER AND TIS CONTROL ENDS HAVE BEEN SHIFTED BACKWARDS FROM ITS POSITION OF ENGAGEMENT WITH SAID STOP RING OF SAID BODY AND AGAINST THE ACTION OF SAID FIRST SPRING BY A LENGTH EQUAL TO THE SUM OF SAID PLAY E AND THE RELATIVE SPACING OF SAID RELEASE ELBOWS OF SAID BLADES BACKWARDS OF THE RETAINING ENDS OF SAID BLADES.