Patent ID: 7801323
Filing Date: 2010-09-21
Classification: F16B

Abstract:
1. A panel-mountable, sound-emitting apparatus comprising: (a) a housing body having a sidewall and an endwall forming a chamber housing sound-emitting means, the housing body having a substantially circular peripheral shoulder; (b) at least one housing aperture formed in the endwall through which sound waves can travel from the chamber; (c) a cap body rotatably mounted to said housing body at the substantially circular peripheral shoulder, said cap body having a cap wall with at least one cap aperture configured to register at least partially with said at least one housing aperture; (d) a lip formed by a peripheral edge of the cap body; and (e) a groove on the housing body defined by the endwall at one lateral groove side and at least one tooth extending from the housing body on an opposite lateral groove side for retaining the lip of the cap body in the groove.