| 摘要 |
PROBLEM TO BE SOLVED: To provide a safe and inexpensive air feeder emitting no vibration noise and operable even without electricity. SOLUTION: The air feeder includes a bellows-shaped bag(1) enabling air to be stored inside and provided with a discharge port(3) via which the air stored inside is discharged and a suction port(4) with a check valve for bringing the outside air into the bag. In this air feeder, a weight(2) for compressing the bag(1) is placed on the top of the bag(1). COPYRIGHT: (C)2004,JPO
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