Patent ID: 7193507

Claim:
A siren housing, comprising: a dish-shaped base having a back wall adapted to be secured to as support structure, said base being configured and dimensioned to contain siren components; a post projecting forwardly from said back wall, said post having a cylindrical side wall terminating at a front rim; at least one channel circumscribing a segment of said side wall at a location spaced rearwardly from said front rim; entry and exit slots communicating with said channel at spaced locations along the length thereof, said entry slot leading to said front rim and said exit slot leading towards said back wall; a dish-shaped cover having a front wall; a cylindrical sleeve projecting rearwardly from said front wall, said sleeve having at least one pin projecting radially inwardly therefrom; said sleeve being dimensioned for axial insertion onto said post and said pin being arranged: i. to enter said channel via said entry slot; ii. to coact with said channel in supporting said cover above said base for movement between open and closed positions; and iii. to exit said channel via said exit slot to accommodate seating of said closed cover on said base.