Combined ring and frusto-conical member seal assembly

Claim 1

AN END FACE SEAL ASSEMBLY FOR INSTALLATION IN A SHAFT ASSEMBLY, SAID SEAL ASSEMBLY CONSISTING OF A SEALING RING HAVING A RADIAL OUTER END FACE SEALING SURFACE FOR POSITIONING FREELY ABOUT A SHAFT, A PERIPHERY OF SAID SEALING RING AXIALLY REARWARDLY OF SAID SEALING SURFACE DEFINING DIVERGENT GENERALLY AXIALLY AND RADIALLY DIRECTED SURFACE PORTIONS PRESENTING CIRCUMFERENTIAL CONTINUITY, SAID SURFACE PORTIONS DEFINING THEREBETWEEN A REARWARDLY OPENING SEAT FOR READILY ACCESSIBLE FORCE LOADING OF SAID SEALING RING, AND A SECONDARY SEALING AND DRIVING MEMBER FORMED SOLELY FROM DISTORTIVELY RESILIENT SOLID RUBBER MATERIAL AND IN THE FORM OF A RING PROVIDED WITH AN EFFECTIVE FRUSTOCONICAL SHAPE REMOVABLY AND SOLELY FRICTIONALLY AND SLIDABLY MOUNTED IN SAID SEAT, THE CROSS-SECTIONAL CONFIGURATION OF SAID SECONDARY SEALING MEMBER FURTHER GENERALLY CONFORMING TO A PARALLELOGRAM HAVING RADIALLY INCLINED SIDE SURFACE PORTIONS AND AN END SURFACE PORTION EXTENDING IN AN AXIAL DIRECTION AND BEING IN REARWARDLY UNCONFINED REMOVABLE FRICTIONAL AND SLIDABLE ENGAGEMENT WITH THE AXIALLY DIRECTED SURFACE PORTION OF SAID SEALING RING SEAT, SAID SECONDARY SEALING MEMBER EXTENDING REARWARDLY FROM SAID SEALING RING IN INCLINED RELATION THERETO WITH A LEADING EDGE OF SAID END SURFACE PORTION IN ABUTTING BUT