Sabot projectile

Claim 1

A SABOT PROJECTILE ADAPTED TO BE FIRED FROM THE BARREL OF A GUN HAVING MEANS FOR IMPARTING ROTATION TO SAID SABOT PROJECTILE AROUNG A LONGITUDINAL AXIS PARALLEL TO ITS DIRECTION OF MOVEMENT, SAID SABOT PROJECTILE COMPRISING: A PROJECTILE BODY EXTENDING ALONG THE LONGITUDINAL AXIS AND HAVING A SUPPORTING SURFACE ON THE REAR END THEREOF AND A RING GROOVE IN THE PERIPHERAL SURFACE THEREOF, SAID GROOVE HAVING A WALL NORMAL TO SAID LONGITUDINAL AXIS; SABOT MEANS HAVING A COAXIAL RECESS THEREIN ADAPTED TO RECEIVE SAID PROJECTILE BODY, SAID SABOT MEANS HAVING MEANS ON THE PERIPHERY THEREOF ADAPTED TO ENGAGE SAID ROTATION IMPARTING MEANS, SAID SABOT MEANS HAVING FRONT AND REAR OPPOSED AND LONGITUDINALLY SPACED STOP FACES WITHIN SAID RECESS NORMAL TO SAID LONGITUDINAL AXIS, SAID REAR STOP FACE ACTING AS A SUPPORT FOR THE SUPPORTING SURFACE ON SAID PROJECTILE BODY AND ADPATED TO BE DEFORMED BY SAID PROJECTILE BODY, SAID FRONT STOP FACE BEING RING SHAPED AND SURROUNDING THE PROJECTILE BODY; ADJUSTMENT MEANS FOR ADJUSTING THE RELATIVE AXIAL POSITIONS OF SAID FRONT AND REAR STOP FACES; AND RING-SHAPED SAFETY MEANS POSITIONED WITHIN SAID RING GROOVE AND HAVING A FIRST AXIAL SURFACE SUPPORTED ON SAID GROOVE WALL AND A SECOND AXIAL SURFACE IN ENGAGEMENT WITH SAID FRONT STOP FACE, THE ENGAGEMENT FORCE THEREBETWEEN BEING CONTROLLED BY SAID ADJUSTMENT MEANS, SAID SAFETY MEANS BEING ADAPTED TO HOLD SAID PROJECTILE BODY WITHIN SAID SABOT MEANS UNTIL SAID SABOT MEANS ATTAINS A MINIMUM ROTATIONAL SPEED.