Tape reel and hub

Claim 1

A HUB FOR LATCHING A REEL THEREON COMPRISING A CYLINDRICAL MEMBER ADAPTED TO BE COAXIALLY ATTACHED TO A SHAFT AT ONE END, SAID MEMBER HAVING AT LEAST ONE LONGITUDINAL SLOT, A PAWL AND A SPRING FORCING MEANS CARRIED IN SAID SLOT, SAID PAWL BEING HINTED AT ONE END THEREOF TO ENGAGE A GROOVE IN THE COLLAR OF A REEL, AND SAID PAWL BEING FORCED AWAY FROM SAID SLOT AT ITS FREE END BY SAID SPRING FORCING MEANS, THE FREE END BEING DISPOSED ON SAID CYLINDRICAL MEMBER AWAY FROM THE END THEREOF ADAPTED TO RECEIVE SAID REEL AND NEAR THE SHAFT END, AND END CAP COAXIALLY MOUNTED ON SAID CYLINDRICAL MEMBER ON THE END THAT IS ADAPTED TO RECEIVE SAID REEL, SAID END CAP HAVING A COAXIAL HOLE, A SPIDER BETWEEN SAID END CAP AND CYLINDRICAL MEMBER WITH A PORTION PROTRUDING THROUGH SAID COAXIAL HOLE IN THE END CAP, AND A SPRING BIASING MEANS, SAID SPIDER BEING CONSTRAINED BY SAID END CAP TO AXIAL MOVEMENT IN RESPONSE TO A MANUAL FORCE APPLIED TO SAID PROTRUDING PORTION, SAID SPIDER AND END CAP ASSEMBLY INCLUDING MEANS RESPONSIVE TO THE AXIAL MOVEMENT OF SAID SPIDER AGAINST SAID SPRING BIASING MEANS FOR FORCING SAID PAWLS AGAINST SAID SPRING FORCING MEANS WHEREBY SAID PAWL IS FORCED INTO SAID SLOT TO DISENGAGE A GROOVE IN SAID REEL, SAID SPIDER BEING URGED BY SAID SPRING BIASING MEANS TO A POSITION WHICH ALLOWS SAID PAWL TO PROTRUDE FROM SAID SLOT TO ENGAGE SAID GROOVE OF A REEL, WHEREBY A REEL MAY BE MOUNTED ON SAID HUB AND AUTOMATICALLY ENGAGED BY SAID PAWL BY SIMPLY SLIPPING THE REEL ONTO SAID HUB, AND DISENGAGED FOR DISMOUNTING BY MANUALLY APPLYING A FORCE TO SAID PROTRUDING PORTION TO AXIALLY MOVE SAID SPIDER AGAINST SAID SPRING BIASING MEANS THEREBY TO FORCE SAID PAWL INTO SAID SLOT.