Machine tool turret

Claim 1

A MACHINE TOOL-TURRET COMPRISING A BASE, A CORE SUPPORTED BY SAID BASE, A TURRET BODY ROTATABLY AND SLIDABLY MOUNTED ON SAID CORE FOR MOVEMENT WITH RESPECT TO AN AXIS PASSING THROUGH SAID CORE, SAID CORE AND TURRET BODY HAVING RESPECTIVE CONICAL MATABLE SURFACES AND PLANAR MATABLE SURFACES ARRANGED SUCH THAT UPON RELATIVE SLIDING MOVEMENT OF THE BODY ON THE CORE IN OPPOSITE DIRECTIONS THE MATABLE SURFACES ARE RESPECTIVELY ENGAGED AND DISENGAGED, THE PLANAR MATABLE SURFACES BEING ARRANGED SUBSTANTIALLY PERPENDICULAR TO THE DIRECTIONS OF SLIDING MOVEMENT OF THE TURRET BODY TO LIMIT THE DEGREE OF ENGAGEMENT BETWEEN THE CONICAL MATABLE SURFACES OF THE CORE AND SAID BODY, SAID TURRET BODY INCLUDING A PORTION HAVING AN EXTERNAL POLYGONAL CONTOUR, A CYLINDRICAL RECESS BEING PROVIDED IN THE LATTER PORTION IN COAXIAL RELATION, TAPER PINS SUPPORTED IN SAID PORTION OF SAID TURRET BODY AT THE CORNERS THEREOF AND PROJECTING INTERNALLY INTO THE CYLINDRICAL RECESS, AND MEANS PROJECTING WITHIN SAID RECESS AND SUPPORTED IN FIXED POSITION THEREIN FOR ENGAGING RESPECTIVE OF SAID TAPER PINS UPON ROTATION OF THE TURRET BODY FOR ANGULAR POSITIONING OF THE TURRET BODY BETWEEN PARTICULAR POSITIONS, THE LATTER MEANS COMPRISING A SUBSTANTIALLY FIXEDLY SUPPORTED MEMBER INCLUDING A RESILIENT PORTION WHICH ENGAGES THE TAPER PINS.