| 摘要 |
PURPOSE:To obtain cost down by molding a pneumatic spring made only of elastomer in one body with a stopper and metal fittings. CONSTITUTION:A pneumatic spring main body 3 is made only of elastomer, and molded in one body with a stopper 4 and metal fittings 6. The material used for the stopper 4 is elastomer, and able not always to be the same one with the pneumatic spring main body 3. |
