Compressor blade locking device

Claim 1

IN A HIGH SPEED ROTARY COMPRESSOR, THE COMBINATION OF A ROTOR HAVING A DOVETAIL GROOVE EXTENDING FULLY AROUND THE CIRCUMFERENCE THEREOF IN SPACED RELATION WITH RESPECT TO THE OUTER DIAMETER THEREOF, A PLATFOR, SEAT FORMED ON THE OUTER DIAMETER OF THE ROTOR IN COMMUNICATION WITH SAID DOVETAIL GROOVE AND EXTENDING FULLY AROUND THE CIRCUMFERENCE THEREOF, A PLURALITY OF BLADED PLATFORMS MOUNTED IN SAID PLATFORM SEAT IN ABUTTING ENGAGEMENT WITH RESPECT TO EACH OTHER, A DOVETAIL ROOT CARRIED BY EACH PLATFORM AND DISPOSED WITHIN SAID DOVETAIL GROOVE IN SPACED RELATION WITH RESPECT TO EACH OTHER, AN ENTRANCE SLOT IN THE ROTOR AND EXTENDING RADIALLY INWARDLY FROM THE PLATFORM SEAT INTO SAID DOVETAIL GROOVE AND PROVIDING A PLURALITY OF WALLS ON THE ROTOR SO THAT THE DOVETAIL ROOTS MAY BE INSERTED THEREIN AND INTO SAID DOVETAIL GROOVE AND THE BLADED PLATFORM INTO THE PLATFORM SEAT FOR MOVEMENT CIRCUMFERENTIALLY THEREIN, A LOCKING DEVICE DISPOSED WITHIN THE ENTRANCE SLOT BETWEEN AND IN ENGAGEMENT WITH A PAIR OF THE ROOTS AND MOVABLE TO A POSITION IN ABUTTING ENGAGEMENT WITH A PAIR OF THE BLADED PLATFORMS OF SAID PLURALITY OF BLADED PLATFORMS, AN ARCUATE OPENING FORMED IN EACH BLADED PLATFORM OF SAID PAIR OF BLADED PLATFORMS, A RECESS IN EACH BLADED PLATFORM OF SAID PAIR OF BLADED PLATFORMS IN COMMUNICATION WITH SAID ARCUATE OPENINGS THEREIN AND FORMING A SHOULDER ON EACH BLADED PLATFORM OF SAID PAIR OF PLATFORMS AT THE JUNCTION OF THE RECESS AND ARCUATE OPENING IN EACH BLADED PLATFORM, ACTUATING MEANS ROTATABLY MOUNTED IN SAID PAIR OF PLATFORMS, A THREADED PORTION ON SAID ACTUATING MEANS AND THREADLY CONNECTED TO SAID LOCKING DEVICE FOR MOVING THE LOCKING DEVICE BETWEEN SAID PAIR OF ROOTS INTO ABUTTING ENGAGEMENT WITH SAID PAIR OF PLATFORMS AND SAID PLURALITY OF WALLS ON THE ROTOR THERBY TO MAINTAIN THE ROOTS IN THE DOVETAIL GROOVE AGAINST CIRCUMFERENTIAL MOVEMENT AND THE PLATFORMS IN ABUTTING ENGAGEMENT AND AN ACTUATING HEAD ON THE ACTUATING MEANS AND ROTATABLY MOUNTED IN THE ARCUATE OPENING IN SAID PAIR OF BLADED PLATFORMS, SAID HEAD BEING OF A DIAMETER LESS THAN THE DIAMETER OF THE THREADED PORTION AND PROVIDING A SHOULDER AT THE JUNCTION OF THE HEAD AND THE THREADED PORTION AND ENGAGEABLE WITH THE SHOULDER ON EACH SAID PAIR OF BLADED PLATFORMS FOR PREVENTING DISPLACEMENT OF THE ACTUATING MEANS AS THE THREADED PORTION THEREOF IS THREADED INTO SAID LOCKING DEVICE.