Water-resistant camera assembly
FIELD OF THE INVENTION 
     The invention relates generally to the field of photography, and in particular to a water-resistant camera assembly. 
     BACKGROUND OF THE INVENTION 
     The most widely used water-resistant camera assembly comprises a camera body with an interior in which a light-sensitive film is to be exposed, and a water-resistant casing enclosing the camera body. The water-resistant casing usually is a rigid transparent box. 
     As disclosed in prior art U.S. Pat. No. 5,285,894, issued Feb. 15, 1994, the transparent box may comprise a substantially flat bottom section on which the camera body sits and a separate main section which fits over the camera body and connects with the bottom section to form a water-resistant enclosure. 
     SUMMARY OF THE INVENTION 
     A water-resistant camera assembly comprising a camera body with an interior in which a light-sensitive film is to be exposed, and a water-resistant casing enclosing the camera body, is characterized in that: 
     the camera body has an opening to its interior; and 
     the water-resistant casing has one casing section which is joined with the camera body over the opening to form an enclosure with the camera body and has another casing section which fits over the camera body and connects with the one casing section to complete the water-resistant casing. 
     Stated in other words, the water-resistant casing and the camera body together have a common casing section, and the water-resistant casing has an independent casing section which fits over the camera body and connects with the common casing section to complete the water-resistant casing. 
     Accordingly, an economy of parts is achieved as compared to prior art U.S. Pat. No. 5,285,894. 
    
    
     DESCRIPTION OF THE DRAWINGS 
     FIG. 1 is a front elevation view of a water-resistant camera assembly shown unassembled according to a preferred embodiment of the invention; 
     FIG. 2 is a cross-section view of the water-resistant camera assembly as shown in FIG. 1; 
     FIG. 3 is a front elevation view of the water-resistant camera assembly shown assembled; and 
     FIG. 4 is a front elevation view of the water-resistant camera assembly shown assembled according to an alternate embodiment. 
    
    
     DETAILED DESCRIPTION OF THE INVENTION 
     The invention is disclosed as being embodied in a water-resistant camera assembly. Because the features of a water-resistant camera assembly are generally known, as exemplified by prior art U.S. Pat. No. Des. 321,704, issued Nov. 19, 1991, and U.S. Pat. No. 5,126,772, issued Jun. 30, 1992, the description which follows is directed in particular only to those elements forming part of or cooperating directly with the disclosed embodiment. It is to be understood, however, that other elements may take various forms known to a person of ordinary skill in the art. 
     Referring now to the drawings, FIGS. 1-3 show a water-resistant camera assembly 10 comprising an opaque camera body 12, such as for the single-use camera disclosed in U.S. Pat. No. 5,126,772, and a water-resistant casing 14 for enclosing the camera body. The camera body 12 has an interior 16 in which a light-sensitive film 18 is to be exposed when a light-blocking shutter 20 is momentarily removed from behind a taking lens 22. See FIG. 2. 
     The water-resistant casing 14 consists of a transparent large-volume casing section 24 and an opaque small-volume casing section 26. The large-volume casing section 24 is intended to fit over the camera body 12 and connect with the small-volume casing section 26 to complete the water-resistant casing 14. As shown in FIG. 3, a waterproof band 28 is adhered to the water-resistant casing 14 over a seam 30 between the large-volume and small-volume casing sections 24 and 26. Alternatively, a rubber o-ring 32 can be used in place of the band 28 as illustrated in the variant of the water-resistant camera assembly 10 shown in FIG. 4. 
     The small-volume casing section 26 is joined with the camera body 12 over a bottom opening 34 of the camera body, as shown in FIG. 2, to make the smaller-volume casing section and the camera body form a single-piece light-tight unitary enclosure for the film 18. Thus, the water-resistant casing 14 and the camera body 12 share a common, i.e. the same, bottom portion, which is the small-volume casing section 26. 
     The invention has been described with reference to a preferred embodiment. However, it will be appreciated that variations and modifications can be effected by a person of ordinary skill in the art without departing from the scope of the invention. 
     PARTS LIST 
     10. water-resistant camera assembly 
     12. camera body 
     14. water-resistant casing 
     16. interior 
     18. film 
     20. shutter 
     22. lens 
     24. large-volume casing section 
     26. small-volume casing section 
     28. waterproof band 
     30. seam 
     32. o-ring 
     34. bottom opening