Locking means for telescopically fitted members

Claim 1

AN OUTER HOLLOW TUBULAR MEMBER HAVING AN AXIS AND AN INNER MEMBER WHICH TELESCOPICALLY FITS WITHIN THE OUTER TUBULAR MEMBER, THE OUTER TUBULAR MEMBER COMPRISING A LONGITUDINALLY EXTENDING ZONE WHICH INCLUDES A FIRST AXIALLY EXTENDING WALL SECTION WHICH EXTENDS TRANSVERSELY OF THE AXIS OF THE OUTER MEMBER THROUGH A FIRST ANGLE OF LESS THAN 360* AND A SECOND AXIALLY EXTENDING WALL SECTION WHICH EXTENDS TRANSVERSELY OF THE AXIS OF THE OUTER MEMBER THROUGH A SECOND ANGLE WHICH IS LESS THAN THE FIRST ANGLE AND CONNECTS AND BRIDGES THE FIRST AXIALLY EXTENDING WALL SECTION, SAID FIRST AND SECOND WALL SECTIONS OF SAID LONGITUDINALLY EXTENDING ZONE FORMING INTEGRALLY CONNECTED PARTS OF SAID OUTER TUBULR MEMBER, THE SECOND WALL SECTION BEING BENDABLE AND BODILY MOVABLE INWARD RESPONSIVE TO FORCE APPLIED THERETO AT ITS OUTER SURFACE, A SUPPORT FIXED TO A REGION OF THE OUTER TUBULAR MEMBER WHICH IS AXIALLY DISPLACED FROM SAID LONGITUDINALLY EXTENDING ZONE THEREOF, AND ELEMENT, MEANS FOR MOUNTING SAID ELEMENT ON SAID SUPPORT FOR ANGULAR MOVEMENT THEREON ADJACENT TO THE OUTER SURFACE OF THE OUTER TUBULAR MEMBER BETWEEN INOPERATIVE AND OPERATIVE POSITIONS IN A PLANE WHICH IS TRANSVERSE TO THE AXIS OF THE OUTER TUBULAR MEMBER BER AND INTERSECTS SAID LONGITUDINALLY EXTENDING ZONE THEREOF, SAID ELEMENT IN ITS OPERATIVE POSITION BEING EFFECTIVE TO EXERT FORCE AGAINST THE OUTER SURFACE OF THE SECOND AXIALLY EXTENDING WALL SECTION OF SAID LONGITUDINALLY EXTENDING ZONE OF THE OUTER TUBULAR MEMBER TO MOVE THE SECOND WALL SECTION BODILY INWARD AGAINST THE OUTER SURFACE OF THE INNER MEMBER AND FIRMLY CLAMP THE MEMBERS TOGETHER, SAID ELEMENT IN ITS INOPERATIVE POSITION BEING INEFFECTIVE TO EXERT SUFFICIENT FORCE AGAINST THE OUTER SURFACE OF THE SECOND AXIALLY EXTENDING WALL SECTION OF SAID LONGITUDINALLY EXTENDING ZONE OF THE OUTER TUBULAR MEMBER TO MOVE THE SECOND WALL SECTION BODILY INWARD AGAINST THE OUTER SURFACE OF THE INNER MEMBER TO CLAMP THE MEMBERS TOGETHER.