US Patent 7954182 Removable watertight bathtub wall

Washroom designed for taking a shower which comprises a water intake and a drain for wastewater, and includes an accessory representing a removable bathtub wall. A mechanism is provided for locking and for pressing on the outer surface of the accessory when in a bathtub wall configuration to ensure that it is strong and watertight. The locking mechanism is an element which takes up a horizontal position on the floor in a shower configuration of the washroom, and a substantially vertical position in a bathtub configuration.