| 摘要 |
An automatic return toilet seat apparatus (1) responsive to the presence and absence of a person standing adjacent to a toilet bowl (2). The toilet seat apparatus (1) includes a spring (60) to initiate descent of a toilet seat and a spring locking mechanism (70) to selectively restrain the action of the spring (60). The spring locking mechanism (70) is activated in response to person standing adjacent to a toilet bowl and deactivated in response to a person moving away from the toilet bowl by a photodetector switch (30) disposed in the toilet seat. In a further embodiment of the present invention the spring locking mechanism (70) is controlled by a compressible mat assembly (90) disposed on the floor adjacent to the toilet bowl (2).
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