| 摘要 |
PROBLEM TO BE SOLVED: To provide an impact cushioning ring with high cushioning effects. SOLUTION: The first bent part 14a to the fifth bent part 14e are formed in a pair of cushioning bars 13 provided between both ends of a mounting bar 11 and an instrument connecting bar 12, and the first axis part 15a and the second axis part 15b that are approximately parallel to the mounting bar 11 are provided. A connecting part 16 is provided between the second axis part 15b and the instrument connecting bar 12, and impact force is cushioned by the fracture of this connecting part 16 and the extension of the first bent part 14a to the fifth bent part 14e.
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