Automatically chucking multiple spindle machine tool

Claim 1

IN AN AUTOMATICALLY CHUCKING MULTIPLE SPINDLE MACHINE TOOL, IN COMBINATION: (A) A SUPPORT; (B) SPINDLE DRUM MEANS ROTATABLE ABOUT AN AXIS ON SAID SUPPORT, SAID DRUM MEANS DEFINING A MACHINING SPACE AXIALLY EXTENDING THEREFROM; (C) A PLURALITY OF CHUCKING SPINDLES SPACED ABOUT SAID AXIS ON SAID DRUM MEANS FOR SEQUENTIAL PASSAGE OF SAID SINDLES THROUGH A PLURALITY OF SAID STATIONS DURING ROTATION OF SAID DRUM MEANS, SAID WORK STATIONS BEING CIRCUMFERENTIALLY SPACED ABOUT SAID AXIS IN SAID MACHINING SPACE, AND SAID SPINDLE HAVING RESPECTIVE AXES PARALLEL TO THE AXIS OF ROTATION OF SAID SPINDLE DRUM MEANS; (D) A CARRIER MOUNTED ON SAID SUPPORT FOR CYCLIC MOVEMENT; (D) A PLURALITY OF CHUCKING MEANS MOUNTED ON SAID CARRIER FOR SEQUENTIAL MOVEMENT TOWARD AND AWAY FROM A POSITION OF AXIAL ALIGNMENT WITH A CHUCKING SPINDLE AT ONE OF SAID WORK STATIONS DURING SAID CYCLIC MOVEMENT OF SAID CARRIER, SAID SPINDLES AND SAID CHUCKING MEANS EACH BEING ADAPTED TO HOLD A WORK PIECE DURING SAID ROTATION OF SAID SPINDLE DRUM MEANS AND SAID CYCLIC MOVENENT OF SAID CARRIER;