| 摘要 |
PURPOSE:To surely bring a pair of members opposing to each other into contact with each other without the influence of an obstruction existing between both the members. CONSTITUTION:The device is provided with a bulged part 7A formed between a first member 2A and a second member 9A opposing to each other; and a contact body 18A which is arranged between the first and the second member 2A, 9A to bring the first member 2A into contact with the second member 9A prior to contact between the bulged part 7A and the first and the second member 2A, 9A at the time of contact of the members 2A, 9A with each other. |
