| 摘要 |
<p>A liquid amount detecting section (19) of a reservoir (5) is provided with a float (23) equipped with a magnet (22) which turns on and off a reed switch (24) and moving up and down in response to movement of the surface of an operating liquid. The reed switch (24) is provided above the magnet (22). The float (23) is provided with a float body (23a), magnet supporting columns (23b, 23c) located at the upper end of the float body (23a), and a magnet support section (23d) for supporting the magnet (22) at the upper ends of the magnet supporting columns (23b, 23c). The liquid amount detecting section (19) is provided with guides (25, 26) for guiding the float (23). The guide (25) is raised upward from the bottom surface of a float chamber (21), and the guide (26) is suspended from an upper end inner surface.</p> |
