| 摘要 |
PROBLEM TO BE SOLVED: To provide a bellows device for preventing danger that water drops or oil drops falls. SOLUTION: The bellows device is provided with a bellows sheet 28 having a left side vertical sheet part 28a, a right side vertical sheet part 28b and a horizontal sheet part 28c continued to the left side vertical sheet part on a left side thereof and continued to the right side vertical sheet part on a right side thereof and formed with angle parts and valley parts each other in the extending/shrinking direction, and a support plate 29 formed inside the bellows sheet 28 and having a left side vertical plate part 29a fixed to a position corresponding to the angle part formed in the left vertical sheet part on a left side thereof, a right side vertical plate 29b fixed to a position corresponding to the angle part formed in the right side vertical sheet part on a right side part thereof, and a horizontal plate part 29c fixed to a position corresponding to the angle part formed in the horizontal sheet part. A left side part of the left side vertical plate part 29a is formed with a left side notch part 29e, and a right side part of the right side vertical plate part 29b is formed with a right side notch part 29f. COPYRIGHT: (C)2006,JPO&NCIPI
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