| 摘要 |
<p>The invention provides systems for removably attaching flexible signage to transportable containers, including systems adapted for attaching advertising banners to truck trailers. An aspect of the invention is a support line length adjustment mechanism adapted to be actuated to alternatively shorten and tension a signage sheet support line, and to lengthen and thereby untension the support line, to release the support line and the signage from the container.</p> |
