US Patent 9257026 Personal self-defense device

A self-defense device includes a housing structure, a spray apparatus and a sound generating mechanism. The housing structure includes an interior space accessible though an opening within a first end portion thereof. The spray apparatus is attached to a first end portion of the housing structure. The spray apparatus allows a substance configured for impairing at least one of sight and respiratory function of a person to be selectively sprayed therefrom. The sound generating mechanism within the interior space of the housing structure. Actuation of the sound generating mechanism causes a sound recognizable as that of a firearm being mechanically charged to be created thereby.