| 摘要 |
<p>An overflow device (10) for a bathtub (34) has an overflow inlet (36) arranged for mounting in a conventional overflow hole of the bathtub, an overflow outlet (52) for connection to a waste; a water inlet (28) for connection to a water supply; a water outlet for connection to a conventional bath tap; a valve connected between the water inlet and water outlet; a spring (88) or the like for storing energy that can be used to change the valve from its open state to its closed state; a float (58) and trigger lever (68) or the like for detecting water that has entered the overflow inlet and triggering the device to change, using energy stored by the spring, from a set state in which the water valve is open to a triggered state in which the water valve is closed; and a manually operable resetting element (48) that can be operated by a user to replenish the spring with energy and to return the device to the set state.</p> |
