Adjustable leg

Claim 1

AN ADJUSTABLE LEG ASSEMBLY FOR USE IN SUPPORTING ARTICLES OF FURNITURE AT SELECTED ELEVATIONS COMPRISING AN OUTER CLAMPING SLEEVE ASSEMBLY INCLUDING A HOLLOW MEMBER JOINED TO A MOUNTING PLATE, A CLAMPING BAR JOINED TO SAID CLAMPING SLEEVE ASSEMBLY AND PROJECTING LONGITUDINALLY INTO SAID HOLLOW MEMBER AND BEING HELD SLIGHTLY SPACED THEREFROM, AN OPENING IN THE WALL OF SAID MEMBER IN REGISTER WITH A THREADED BORE FORMED IN SAID CLAMPING BAR, AN ADJUSTABLE LEG TELESCOPICALLY RECEIVED WITHIN SAID HOLLOW SLEEVE IN SLIDABLE ENGAGEMENT WITH THE INTERNAL WALL THEREOF, SAID ADJUSTABLE LEG HAVING A WALL PORTION SLIDABLY RECEIVED BETWEEN SAID CLAMPING BAR AND THE INTERNAL WALL OF SAID HOLLOW SLEEVE, SAID CLAMPING BAR HAVING AN EXTERNAL CONTOUR CONFORMING TO THE SHAPE OF THE INTERNAL WALL PORTION OF SAID ADJUSTABLE LEG TO PROVIDE GOOD CLAMPING ACTION, A SERIES OF APERTURES FORMED IN SAID WALL PORTION OF SAID ADJUSTABLE LEG, SAID APERTURES BEING ADAPTED TO BE BROUGHT INTO RADIAL ALIGNMENT WITH SAID OPENING IN SAID HOLLOW MEMBER AND MEANS URGING SAID CLAMPING BAR TOWARDS SAID HOLLOW MEMBER TO CLAMP SAID ADJUSTABLE LEG THEREBETWEEN.