Animal-cage drinking-bottle assembly

Claim 1

AN ANIMAL CAGE DRINKING-BOTTLE ASEMBLY COMPRISING: (A) A WALL PORTION HAVING AN APERTURE, (B) AN INVERTED WATER-BOTTLE HAVING A RIGID DRINKING TUBE WITH ITS LOWER END SEATING IN THE APERTURE, (C) A WATER-BOTTLE HOLDER ENGAGING THE WATER BOTTLE AND HAVING A VERTICALLY EXTENDING SUPPORT PLATE PORTION AT THE REAR THEREOF, (D) AND A SELF-LOCKING SUPPORT BRACKET ABOVE THE APERTURE ENGAGING THE SUPPORT-PLATE PORTION OF THE HOLDER, (E) THE BRACKET COMPRISING A GENERALLY FLAT VERTICAL BACKING MEMBER AND A GENERALLY FLAT HOLDER-ENGAGING MEMBER OF THICKNESS GREATER THAN THE PLATE PORTION FACING THE BACKING MEMBER AND ATTACHED THERETO AND SPACED THEREFROM AT THE LOWER END TO FORM THEREBETWEEN A SLOT RECEIVING THE PLATE PORTION OF THE HOLDER, (F) THE UPPER END PORTION OF THE HOLDER-ENGAGING MEMBER SLOPING UPWARDLY AND REARWARDLY TOWARD THE BACKING MEMBER AND HAVING THE UPPER EDGE THEREOF TAPERED IN WIDTH TO PROVIDE A PROGRESSIVELY INCREASING GAP BETWEEN PORTIONS OF SAID EDGE AND THE BACKING MEMBER, THE GAP PASSING THE THICKNESS OF THE SUPPORT-PLATE PORTION OF THE HOLDER AT AN END OF SAID UPPER EDGE, (G) THE HOLDER-ENGAGING MEMBER BEING FORCED AWAY FROM THE BACKING MEMBER BY WEDGING ACTION OF THE LOWER EDGE OF THE PLATE PORTION OF THE HOLDER AGAINST THE UPPER EDGE OF THE HOLDER-ENGAGING MEMBER IN INSERTING THE HOLDER AND BY WEDGING ACTION OF THE UPPER EDGE OF THE PLATE PORTION OF THE HOLDER AGAINST THE SLOPING INNER SURFACE OF THE HOLDER-ENGAGING MEMBER IN REMOVING THE HOLDER.