| 摘要 |
The invention relates to a hand-actuated drain plug that comprises a tubular member having a proximal head and a distal body adapted to engage a tubular port. The head of the plug has an annular end with at least two surface areas corresponding to an open and closed position. The tubular member defines an axially aligned bore. The plug includes a cap top that comprises a proximal flange coupled to a stem. The flange has a distally oriented surface that is adapted to be placed in orientation with the two surface areas of the annular end corresponding to open and closed positions. The other end of the stem is coupled to a bushing that is sized to fit and slide within the bore of the tubular member. A biasing member positioned between the stem and the tubular member is compressed to bias the plug to a closed position.
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