Patent ID: 8002226

Claim:
An accessory device assembly for an aquarium, said accessory device assembly comprising: an accessory device for aquarium operation; and supporting means for supporting and fixing said accessory device to a wall of the tank of said aquarium, wherein said supporting means comprise: a supporting body, which is separate and attachable to said wall; latching means integral with said accessory device and removably attachable to said supporting body; and latching counter-means provided on said supporting body which are engagable by said latching means of said accessory body such that said supporting body supports said latching means and said accessory device when said latching means and said latching counter-means are engaged, and such that a vertical position of said accessory device is adjustable with respect to said supporting body; wherein said latching counter-means comprise two vertical supporting indentations placed on a side of said supporting body, wherein said latching means comprise two vertical latching plates, normally in a parallel position, on which an elastic restoring force is exerted, which define two latching indentations complementarily shaped with respect to said supporting indentations, wherein said complementary supporting and latching indentations: lock said accessory device to said supporting body when said latching plates are in a parallel position and are attached to said latching counter-means, in order to allow said accessory device to be supported by said supporting body, and provide latching/unlatching of said latching means and said latching counter-means when said latching plates are in a diverging position, in order to allow said accessory device to be latched/unlatched to or from said supporting body.