| 摘要 |
<p>An intermediate frame for a sign box of the type having a first hinging member around its perimeter, and having an outer face frame for supporting a face panel, the intermediate frame having a generally rectangular construction with two ends, and a top and bottom joining at corners, each of them having an outer wall, a face panel support connected with the outer wall and extending inwardly, for supporting a face panel, a first hinging portion connected to the outer wall, and extending in a rearward direction for hinging interengagement with the first hinging member on the sign box, a second hinging member connected to the outer wall, and extending in a forward direction, to receive a second hinging portion carried on the outer face frame. Also disclosed are a series of face frames for supporting a panel of flexible sign material, and panel tensioning members for use therewith. Such face frames may be hingedly mounted to a sign box, fixed to a vertical structure, and retrofitted to an existing sign box.</p> |
