Adjustable table legs

Claim 1

A TABLE-SUPPORTING LEG, COMPRISING: A VERTICAL TUBE MEMBER DEPENDING FROM A TABLE TOP, SAID TUBE MEMBER HAVING A PLURALITY OF VERTICALLY-SPACED OPENINGS, AND HAVING AN ELONGATED VERTICAL SLOT; AN INNER TUBULAR MEMBER SLIDABLY CARRIED WITHIN AND PROJECTING TELESCOPICALLY FROM THE LOWER END OF SAID OUTER TUBE AND HAVING GROUND-ENGAGING MEANS ON ITS LOWER END, SAID INNER TUBULAR MEMBER HAVING AN OPENING THEREIN SELECTIVELY REGISTRABLE WITH THE SPACED OPENINGS IN SAID OUTER TUBULAR MEMBER, AND SAID INNER TUBULAR MEMBER HAVING AN OPENING REGISTRABLE WITH SAID OUTER TUBE SLOT; A PAWL PIVOTALLY CARRIED IN SAID INNER TUBULAR MEMBER, SAID PAWL HAVING A TOOTH THEREON ADAPTED TO BE PROJECTED INTO SAID REGISTERING INNER AND OUTER TUBE OPENINGS TO PREVENT RELATIVE MOVEMENT OF SAID TELESCOPIC TUBES, SAID PAWL BEING PIVOTAL TO A RETRACTED, NON-PROJECTING POSITION; AND MEANS PROJECTED THROUGH SAID OUTER TUBE SLOT AND REGISTERING INNER TUBE OPENING OPERABLE TO PIVOT SAID PAWL TO ITS NON-PROJECTING POSITION WHEN IT IS DESIRED TO SLIDABLY ADJUST SAID TELESCOPIC TUBE MEMBERS TO ADJUST THE HEIGHT OF THE TABLE.