Extensible handle

Claim 1

AN EXTENSIBLE HANDLE COMPRISING (A) A FIRST ELONGATED CYLINDRICAL HANDLE MEMBER HAVING AN AXIAL BORE THEREIN, (B) A SECOND CYLINDRICAL HANDLE MEMBER AXIALLY AND SLIDABLY RECEIVED IN SAID BORE FOR TELESCOPING COACTION WITH SAID FIRST MEMBER, (C) THREAD MEANS ON THE OUTER PERIPHERY OF SAID FIRST HANDLE MEMBER AT THE END RECEIVING SAID SECOND HANDLE MEMBER, (D) A WASHER SLEEVED OVER SAID SECOND HANDLE MEMBER AND DISPOSED IN ENGAGEMENT THEREWITH OVER SAID BORE, AND HAVING AN OUTSIDE DIAMETER LESS THAN THAT OF SAID THREAD MEANS, (E) MEANS SLEEVED OVER SAID SECOND HANDLE MEMBER IN ENGAGEMENT WITH SAID WASHER AND OPERABLE WHEN RADIALLY STRESSED TOWARD SAID SECOND MEMBER TO FRICTIONALLY GRIP SAID SECOND MEMBER, AND OPERABLE WHEN UNSTRESSED TO RELEASE SAID SECOND MEMBER, (F) A NUT MEMBER HAVING A THREADED AXIAL BORE FOR COACTION WITH SAID THREAD MEANS ON SAID FIRST MEMBER FOR AXIAL MOVEMENT RELATIVE THERETO AND HAVING A COUNTERBORE SLEEVED ON SAID SECOND MEMBER, (G) SAID NUT MEMBER HAVING A SLOPING WALL BETWEEN SAID BORE AND SAID COUNTERBORE AND ENGAGEABLE WITH SAID MEANS SLEEVED OVER SAID SECOND HANDLE MEMBER TO ACT AS A CAM MEANS COOPERATING WITH THE WASHER MEMBER TO PROVIDE A RADIALLY AND INWARDLY STRESSING FORCE ON SAID MEANS SLEEVED OVER SAID SECOND HANDLE MEMBER WHEN THE NUT IS MOVED TOWARD THE FIRST MEMBER ON THE THREAD MEANS, (H) A FIRST DEPRESSION IN SAID BORE IN SAID FIRST MEMBER AND COMMUNICATING WITH THE END SURFACE OF SAID FIRST MEMBER TO UNDERLIE SAID WASHER MEMBER, (I) A SECOND DEPRESSION IN THE OUTER PERIPHERY OF SAID SECOND MEMBER FOR LATERAL JUXTAPOSITION WITH SAID FIRST DEPRESSION WITH THE MEMBERS ARE RELATIVELY FULLY EXTENDED, (J) SPRING MEANS IN ONE OF SAID FIRST AND SAID SECOND DEPRESSIONS AND BIASED TO PARTIALLY ENTER THE DEPRESSION IN THE OTHER OF SAID FIRST AND SECOND DEPRESSIONS WHEN SAID DEPRESSIONS ARE LATERALLY JUXTAPOSED TO PREVENT FURTHER EXTENSION OF SAID HANDLE MEMBERS, (K) SAID OTHER DEPRESSION HAVING ONE WALL SLOPING AXIALLY OF THE TELESCOPIC MOVEMENT TO ACT AS CAM MEANS URGING SAID SPRING INTO SAID ONE DEPRESSION AS THE HANDLE MEMBERS ARE RETRACTED FROM THE FULLY EXTENDED POSITION.