| 摘要 |
<p>PROBLEM TO BE SOLVED: To ensure an effective seal in a free and part of a tube, so as to protect the free and part from a stain and damage, for a toilet stool device including a collective tank storing wastewater till being emptied. SOLUTION: An end part of toilet stool side tubes 1, 2, 3 is extended through a wall, a cover 6 is provided, to be made pivotally movable between an opening position making access capable relating to a free end part of the tube and a closing position protecting the end part from a stain and damage. Seal members 101a, 102a, 103a are mounted in the cover so as to engage with the free end part when the cover is placed in a closed condition and to disengage from the free end part when the cover is moved to an opened position. The free end part of the tube is protruded from the wall so as to be received in a socket of a maintenance hose, the cover, when it is placed in the closed position, is formed with a space together with the wall substantially larger than a space 4 occupied by the free end part of the discharging tube.</p> |
