Prefabricated water supply and drain unit for washing machines

Claim 1

A VALVE-ENCLOSING FIXTURE BOX FOR USE WITH WASHING MACHINES AND ADAPTED TO BE MOUNTED IN A WALL OPENING, SAID WALL INCLUDING SPACED UPRIGHT STUDS ON OPPOSITE SIDES OF THE WALL OPENING, SAID BOX COMPRISING A BOX-LIKE HOUSING POSITIONED WITHIN THE WALL OPENING AND HAVING A FORWARD OPEN SIDE AND A REAR SUBSTANTIALLY VERTICAL WALL, A SUBSTANTIALLY HORIZONTAL CHANNEL MEMBER SECURED TO THE REAR FACE OF SAID REAR WALL AND HAVING A SUBSTANTIALLY HORIZONTAL GUIDE OPENING, HANGER BRACKETS HORIZONTALLY SLIDABLY ENGAGING WITHIN THE CHANNEL MEMBER AND INCLUDING PARTS AT CORRESPONDING ENDS THEREOF HAVING GUIDED ENGAGEMENT WITH SAID GUIDE OPENING AND ENGAGEABLE WITH THE ENDS OF THE GUIDE OPENING TO POSITIVELY LIMIT OUTWARD MOVEMENT OF THE HANGER BRACKETS, TRANSVERSE ARMS ON THE OUTER ENDS OF THE HANGER BRACKETS EXTENDING BEYOND CORRESPONDING SIDES THEREOF IN OPPOSED RELATION TO SAID STUDS, AND APERTURED ELEMENTS ON SAID ARMS AND HANGER BRACKETS SUBSTANTIALLY AT RIGHT ANGLES TO THE ARMS AND PROJECTING OUTWARDLY THEREFROM AND FORMING THEREWITH SOCKETS TO RECEIVE THE STUDS, WHEREBY NAILS MAY BE DRIVEN THROUGH THE APERTURES OF SAID ELEMENTS INTO THE STUDS TO ANCHOR THE HANGER BRACKETS THERETO, SAID HOUSING THEN BEING FLOATINGLY SUPPORTED LATERALLY UPON THE HANGER BRACKETS.