Injection molding machine

Claim 1

IN A MACHINE OF THE CHARACTER DESCRIBED, IN COMBINATION, A FIRST STATIONARY SUPPORT AND A SECOND STATIONARY SUPPORT, SAID SUPPORTS BEING SPACED FROM EACH OTHER; ELONGATED GUIDING MEMBERS EXTENDING BETWEEN AND HAVING ENDS SECURED TO SAID SUPPORTS; A FIRST PRESSURE MEMBER SUPPORTED BY SAID FIRST SUPPORT AND DIRECTED TOWARD SAID SECOND SUPPORT; A SECOND PRESSURE MEMBER MOUNTED ON SAID GUIDING MEMBERS AND MOVABLE BETWEEN AN INOPERATIVE POSITION IN WHICH IT IS SPACED FROM SAID FIRST PRESSURE MEMBER AND AN OPERATIVE POSITION IN WHICH IT IS LOCATED ADJACENT SAID FIRST PRESSURE MEMBER; A PISTON MOUNTED ON SAID SECOND SUPPORT AND DIRECTED TOWARD SAID FIRST SUPPORT; A CYLINDER SLIDABLY MOUNTED ON SAID SECOND SUPPORT, SAID CYLINDER ENCLOSING SAID PISTON AND COOPERATING THEREWITH SO THAT UPON ADMISSION OF PRESSURE FLUID INTO SAID CYLINDER THE CYLINDER IS MOVED IN A DIRECTION TOWARD SAID FIRST SUPPORT; A PISTON ELEMENT AND A CYLINDER ELEMENT, SAID CYLINDER ELEMENT ENCLOSING SAID PISTON ELEMENT, ONE OF SAID ELEMENTS BEING FIRMLY SECURED TO SAID CYLINDER AND THE OTHER OF SAID ELEMENTS BEING FIRMLY SECURED TO SAID SECOND PRESSURE MEMBER; LOCKING MEANS MOUNTED ON SAID SECOND SUPPORT AND ADAPTED TO PREVENT RETURN MOVEMENT OF SAID CYLINDER WHEN THE CYLINDER HAS MOVED IN A DIRECTION TOWARD SAID FIRST SUPPORT; AND FLUID ADMITTING MEANS FOR ADMITTING PRESSURE FLUID INTO SAID CYLINDER ELEMENT SO AS TO MOVE SAID OTHER ELEMENT AND SAID SECOND PRESSURE MEMBER INTO SAID OPERATIVE POSITION THEREOF.