Supporting device

Claim 1

A DISPLAY ADVERTISING DEVICE COMPRISING, AN ELONGATED HORIZONTALLY EXTENDING BODY, SAID BODY IN CROSS SECTION THROUGHOUT ITS LENGTH INCLUDING A PAIR OF UPRIGHT SUBSTANTIALLY PARALLEL SPACED ALLOCHIRAL BARS INTERMEDIATELY CONNECTED BY A WEB PORTION, EACH BAR HAVING AN UPPER SUBSTANTIALLY STRAIGHT PORTION AND A LOWER SUBSTANTIALLY STRAIGHT PORTION SLIGHTLY ANGULARLY POSITIONED RELATIVE TO THE UPPER PORTION, THE INCLUDED ANGLES BETWEEN SAID STRAIGHT PORTIONS OF EACH BAR BEING SLIGHTLY LESS THAN 180* AND THE INCLUDED ANGLES BETWEEN THE UPPER STRAIGHT PORTIONS AND THE LOWER STRAIGHT PORTIONS BEING LESS THAN 30* FIRST INWARDLY EXTENDING PROJECTIONS AT THE INNER SIDES AND UPPER ENDS OF SAID BARS DEFINING THEREWITH A SOCKET ADAPTED TO RECEIVE FIXTURES AT THE UPPER END OF THE BODY, THE TERMINAL ENDS OF SAID FIRST PROJECTIONS BEING SPACED CLOSE TOGETHER BUT DEFINING A NARROW SLOT THEREBETWEEN, SECOND INWARDLY EXTENDING PROJECTIONS AT THE INNER SIDES AND LOWER ENDS OF SAID BARS DEFINING THEREWITH A SOCKET ADAPTED TO RECEIVE FIXTURES AT THE LOWER END OF THE BODY, THE TERMINAL ENDS OF SAID SECOND PROJECTIONS BEING SPACED CLOSE TOGETHER BUT DEFINING A NARROW SLOT THEREBETWEEN, AND LIPS EXTENDING TOWARD EACH OTHER AT THE OUTER SIDES AND UPPER AND LOWER ENDS OF SAID BARS AND COACTING THEREWITH IN DEFINING TRACKWAYS ADAPTED TO RECEIVE DISPLAY FIXTURES AT THE OPPOSITE SIDES OF THE BODY.