Relampable cap assembly with camseated lamp holder members

Claim 1

A CONNECTING MECHANISM COMPRISING A FIRST MEMBER HAVING A CYLINDRICAL BORE, A SECOND MEMBER HAVING A CYLINDRICAL PORTION ENGAGEABLE IN SUCH BORE TO PERMIT RELATIVE LONGITUDINAL AND ROTATIONAL MOVEMENTS THEREBETWEEN, CAM AND CAM FOLLOWER ELEMENTS, ONE ON EACH SUCH MEMBER, COOPERATING TO ADVANCE THE MEMBERS TOGETHER BY ROTATING THEM RELATIVELY IN ONE DIRECTION, A THIRD MEMBER MOUNTED FOR CONJOINT ROTATION AND RELATIVE LONGITUDINAL MOVEMENT BETWEEN INNER AND OUTER LIMITING POSITIONS ON ONE OF THE FIRST TWO MEMBERS AND INCLUDING MEANS ENGAGEABLE WITH THE OTHER OF SAID FIRST TWO MEMBERS RESTRAINING SAID THIRD MEMBER AGAINST RELATIVE LONGITUDINAL MOVEMENT WITH RESPECT TO SAID OTHER MEMBER DURING SAID INITIAL RELATIVE ADVANCEMENT OF SAID FIRST AND SECOND MEMBERS, SPRING MEANS URGING THE THIRD MEMBER TOWARDS THE OUTER LIMITING POSITION, WHEREBY STRESS IN THE SPRING MEANS OCCURS AS THE FIRST TWO MEMBERS ADVANCE TOGETHER WITH THE THIRD MEMBER RESTRAINED AGAINST SUCH ADVANCE, AND ABUTMENTS ON THE THIRD MEMBER AND THE OTHER OF THE FIRST TWO MEMBERS INTERENGAGEABLE, WITH THE FIRST TWO MEMBERS ADVANCED TOGETHER, SO AS TO PREVENT REVERSE RELATIVE ROTATION BETWEEN THEM, AND DISENGAGEABLE BY RETRACTIOON OF THE THIRD MEMBER AGAINST RESISTANCE OF SAID SPRING MEANS.