| 摘要 |
<p>PURPOSE: A movable central sealing of a smooth bore for a spring brake actuator is provided to seal a first surface on a second surface. CONSTITUTION: A sealing assembly(100) comprises a first element(140), a second element(145), a cavity, and retaining elements(130,135). The first and second elements comprise first and second surfaces respectively. The cavity is located between the first and second surfaces. The retaining elements are located in the cavity and accommodate one or more sealing elements. The sealing elements are located in the cavity and seal the first and second surfaces.</p> |
