Combination desk and cabinet rack structure

Claim 1

IN A COMBINATION DESK AND CABINET STRUCTURE A RECTANGULAR BASE MEMBER, CASTOR WHEELS SUPPORTING SAID BASE MEMBER, A SERIES OF VERTICAL DIVISION PLATES ON SAID BASE MEMBER ARRANGED IN SPACED RELATION TO FORM A BOOK RACK AND STABILIZE SAID DESK AND A CABINET STRUCTURE, A VERTICAL TUBULAR STANDARD WITH ITS LOWER END CONNECTED CENTRALLY TO SAID BASE MEMBER AND HAVING A SERIES OF VERTICALLY SPACED PIN RECEIVED APERTURES EXTENDING FROM ITS LOWER PORTION TO SUBSTANTIALLY THE UPPER PORTION THEREOF, AN ARM ROTATABLY MOUNTED ON SAID VERTICAL STANDARD TO SWING IN A HORIZONTAL PLANE, A SECOND ARM HAVING ONE END PIVOTALLY CONNECTED TO THE FREE END OF SAID FIRST NAMED ARM TO SWING IN A SIMILAR PLANE, THE OVERLAPPING ENDS OF SAID ARMS BEING PROVIDED WITH ENLARGED RECESSES TO ACCOMMODATE A BEARING MEMBER, THREADED FASTENER MEANS EXTENDING THROUGH SAID BEARING MEMBER TO RELEASABLY HOLD THE SAME IN AN ADJUSTED POSITION, A HORIZONTAL BAR PIVOTED INTERMEDIATE ITS ENDS TO THE FREE END OF THE SECOND NAMED ARM ARRANGED TO SWING IN A HORIZONTAL PLANE, THREADED FASTENER MEANS EXTENDING THROUGH SAID ARM AND BAR TO RELEASABLY HOLD THE SAME IN AN ADJUSTED POSITION, A PAIR OF SPACED HINGED MEMBERS AFFIXED TO SAID HORIZONTAL BAR LOCATED AT POINTS ADJACENT THE ENDS THEREOF, A FLAT RECTANGULAR MEMBER FORMING A DESK SUPPORTING SURFACE CONNECTED AT THE REAR THEREOF TO SAID HINGES, AND A PIN FOR BEING RECEIVED IN A SELECTED PIN RECEIVING APERTURE IN SAID VERTICAL STANDARD TO SELECTIVELY POSITION SAID ARMS OF SAID DESK SUPPORTING SURFACE IN DIFFERENT HORIZONTAL PLANES, SAID PIVOTED ARMS AND FLAT RECTANGULAR MEMBER BEING REMOVABLE FROM THE UPPER END OF SAID VERTICAL STANDARD TO PERMIT BOOK RACKS AND THE LIKE TO BE PLACED THEREON BENEATH SAID PIVOTED ARMS AND FLAT RECTANGULAR MEMBER.