| 摘要 |
A spring-loaded seat assembly includes an upper seat and a lower seat connected by a plurality of spring members. A recess is formed on a respective outer surface of the upper and the lower seats. A number of hooks are provided on a respective inner surface of each seat for engaging both ends of the spring members so that the seats are resiliently connected together. A damping mechanism is provided between the upper and the lower seats so as to reduce the elasticity coefficient of the spring members. Therefore, the users may feel more comfortable.
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