Signaling device

Claim 1

A visually detectable signaling device adapted to be attached to the bumpers of automobiles and the like and flutter in air currents for attracting attention of motorists comprising: A. a flexible envelope including a pair of flexible, substantially transparent panels arranged in substantial faceto-face relation and joined together by means defining a discontinuous seal extended along selected portions of the periphery of said panels for forming between the panels a compartment having an open mouth; B. a flexible luminescent sheet disposed within the compartment; C. means for sealing said open mouth including a tongue-andgroove fastener extended across the mouth between the adjacent ends of said seal; and D. means for releasibly suspending said envelope from a selected rear bumper of an automobile including a bracket of a substantially U-shaped configuration having a pair of legs for receiving a portion of the bumper between the legs thereof and including means defining a threaded bore extended through one leg of the pair of legs, means including a screw-threaded mounting bolt threadedly extended through said screw-threaded bore in said one leg for clamping said bracket to said bumper, and means for attaching said envelope to said bracket including at least one wear plate.