| 摘要 |
The invention provides a shock absorbing structure capable of turning the function of the shock absorber on and off according to the level of shock during collision, thereby reducing the frequency of replacing shock absorbers. On a rear surface of a load operating unit 11 constituting a shock absorbing device 10 A are attached a load transmitting shaft 12 and a shock absorber 13 . The load transmitting shaft 12 is passed through the center of the shock absorber and is connected to a supporting unit 14 via a pin 15 that extends toward the radial direction. The rear end of the shock absorber 13 faces the supporting unit 14 with a clearance therebetween. The pin 15 has notched grooves 21 formed thereto. When small load is applied, the load is transmitted from the load operating unit 11 through the load transmitting shaft 12 , the pin 15 and the supporting unit 14 to the main body, so that the load is not applied on the shock absorber 13 . When large load is applied, the pin 15 breaks from where the notched grooves 21 are formed, by which the surface of the closing plate 17 collides against the supporting unit 14 , so that the load is transmitted to the shock absorber 13 and the shock is absorbed effectively.
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