| 摘要 |
A static oil seal asembly to be carried within a seal receiving groove in a piston or the like and including a pair of separate, metallic, band-like scraper rails, each having one side adapted to engage a housing and the other side disposed within the groove, and a spacer of impervious, flexible material disposed between the scraper rails and abutting the sides of the scraper rails within the grooves in sealing relation therewith, the spacer including a built-in biasing spring for biasing the spacer rails outwardly of the groove.
|
