Patent ID: 7797865

Claim:
A changeable message sign structure comprising: a hollow enclosure having a front panel assembly and rear, top, bottom and left and right end panels defining a sign interior; wherein the front panel assembly comprises: frame having upper, lower and left and right side frame members, at least two vertical support members attached to the upper and lower frame members, each said vertical support member defining a generally T-shaped cross-section with a rearwardly extending stem and left and right arms, each with arm flanges extending rearwardly to define securement slots between the arm flanges and the stem, at least one panel web assembly having frontwardly extending side flanges engaged within a securement slot of each of two neighbouring vertical support members, a web assembly support structure pressed against said at least one panel web assembly and removably attached to the rearwardly extending stems of said two neighbouring vertical support members, and, at least one changeable message electronic sign module attached to the web assembly support structure, wherein the upper and lower frame members define support surfaces and said at least one panel web assembly is supported thereagainst, and, further comprising seals between said at least one panel web assembly and said arms and support surfaces.