Alternate placard display equipment - has holder accommodating interchangeable frame containing interchangeable placard-mounting plate

摘要

The equipment displays placards alternately, having a holder mounted on part of a building (T). This accommodates an interchangeable frame (2), inside which is an interchangeable mounting plate (3) for one or more placards (4). The holder can comprise a rigid anchor (11) engaging under a top part of the frame, and a bolt (12) at the bottom spring-loaded (14) downwards. The frame is freed by first lifting off the anchor, and then lowering to free it from the bolt. It is installed by engaging with the bolt and then lifting to drop it over the anchor. ADVANTAGE - Easy changeover with low labour cost.