Resilient seal ring assembly with spring means applying force to wedge member

摘要

A ring seal (11) adapted for installation in an annular recess (13) between a housing (15) and a rotating or reciprocating shaft (17). The seal (11) consists of a resilient ring cup member (19) having a ring wedge member (21) inserted in the center recess (25) of the cup member (19) to wedge the opposing lips (29) and (31) of the the cup member (19) outwardly into a sealing relationship. A spring (23) maintains the force against the wedge member (29).