Machine tool with tool changer

Claim 1

IN A MACHINE TOOL; A FRAME; A TOOL SPINDLE ROTATABLE MOUNTED IN SAID FRAME AND ADAPTED TO RECEIVE A TOOL; A POWER DRIVEN ROTATABLY INDEXABLE TOOL STORAGE DRUM MOUNTED ON SAID FRAME IN OPERATIVE PROXIMITY TO SAID SPINDLE AND ADAPTED TO CARRY A PLURALITY OF TOOLS FOR SELECTIVE TRANSFER TO SAID SPINDLE, SAID STORAGE DRUM MOUNTED ON SAID FRAME IN A MANNER THAT ITS AXIS OF ROTATION IS AT AN ANGLE OF 45* FROM A HORIZONTAL PLANE, SAID STORAGE DRUM ADAPTED TO STORE TOOLS IN A CONICAL ARRAY SO THAT THE LONGITUDINAL AXIS OF EACH TOOL INTERSECTS THE ROTATIONAL AXIS OF SAID DRUM; A TOOL CHANGER MEMBER HAVING A PAIR OF TOOL GRIPPING RECESSES AND BEING MOVABLY CARRIED IN BODILY SPACED RELATIONSHIP RELATIVE TO SAID DRUM AND SAID SPINDLE, SAID CHANGER MEMBER BEING AXIALLY MOVABLE AS WELL AS ROTATABLY MOVABLE AND BEING SELECTIVELY OPERABLE TO INTERCHANGE TOOLS BETWEEN SAID SPINDLE AND SAID STORAGE DRUM; MECHANICAL LOCKS CARRIED IN OPPOSITE EXTENDING PORTIONS OF SAID CHANGER MEMBER, EACH LOCK OPERABLE TO SECURELY LOCK A TOOL IN ITS RESPECTIVE TOOL GRIPPING RECESS DURING ROTARY AS WELL AS AXIAL MOVEMENT OF SAID CHANGER MEMBER A RIGID STOP MEMBER FIXEDLY SECURED TO SAID FRAME IN POSITION TO BE ENGAGED BY SAID CHANGER MEMBER WHEN SAID CHANGER MEMBER IS IN AN AXIALLY RETRACTED POSITION AND ROTATED TO FULLY ENGAGE THE TOOLS TO BE INTERCHANGED;