| 摘要 |
<p>D-9066 C-3778 FLUID-OPERATED PISTON A fluid-operated friction engaged torque transmitting device, such as a clutch or brake, has a piston member. The piston has a rigid material, such as metal or plastic, body member which is encased in an elastomeric cover. The elastomeric cover is a molded structure which is bonded to the rigid body. The elastomeric cover has integrally formed therewith, during molding, a pair of annular lip seals, a valve structure and a spring portion. A reaction plate or ring is molded or bonded to the spring portion.</p> |
