| 摘要 |
PURPOSE:To always purify oil by providing a purifying filter in a passage through which oil is circulated and recovering oil into a storage tank in accordance with power-off of a device. CONSTITUTION:When a power source is turned on, a pulse motor 26 and a clutch 25 are operated, and a pressing member 20 presses an oil storage tank 14 against a spring 24 by a gear 23, and the bellows part of the storage tank 14 is crushed to scooper oil in the storage tank into an oil saucer 13 through a pipe 14-3. When the power source is turned off, the pulse motor 26 and the clutch 25 are turned off, and the oil storage tank 14 is returned to the original position together with the pressing member 20 by the spring 24. At this time, dirtied oil in the oil saucer is purified through the pipe 14-2 by a filter 15. Thus, oil is always purified and is prevented from spilling. |
