| 摘要 |
<p>In an external box (1) having an opening (1a), there is arranged a water bath (4) having an opening (4a) opposed to the first opening (1a) of the external box (1). A non-bending first door (3) for opening/closing the first opening (1a) of the external box (1) can be contained substantially entirely in the lower portion of the external box (1) and can slide in vertical direction of the external box (1). The first door (3) is urged in the upward direction by a spiral spring (10). The spiral spring (10) brakes the vertical sliding of the first door (3).</p> |
