Patent ID: 7460770

Claim:
An underwater housing for containing a monitoring device comprising: a tubular housing body having an annular inner surface, and an open front end formed with an inward flange extending radially and inwardly therefrom, said inward flange having a rear side surface formed with an annular groove defined by a groove-defining wall, and said tubular housing further having an open rear end, said groove-defining wall forming a portion of said annular inner surface of said housing body; a seal cap connected fixedly to said rear end of said housing body so as to define an accommodating space within said housing body, said accommodating space being adapted to contain said monitoring device; a transparent plate disposed fixedly within said housing body and located behind and adjacent to said inward flange, said transparent plate having opposite front and rear side surfaces, as well as an outer periphery that is in contact with an annular inner surface of said housing body; an annular water seal disposed within said annular groove in said inward flange of said housing body and in front of said transparent plate and in contact with said groove-defining wall of said inward flange and an outer peripheral portion of said front side surface of said transparent plate so as to establish a watertight seal between said transparent plate and said annular inner surface of said housing body; and an annular cover disposed fixedly and fittingly within said inward flange of said housing body and having an annular rear end in contact with said front side surface of said transparent plate and disposed in proximity to said water seal for covering said water seal, said water seal being disposed around said annular rear end of said annular cover.