Patent ID: 6227548
Filing Date: 2001-05-08
Classification: F01L,Y10S

Abstract:
The combination of a shaft seal and first and second machine parts that reciprocate relative to each other, the valve shaft seal comprising an elastomer sealing lip resting with a radial preload on an outer surface of the first machine part and a sleeve-shaped holder mounted on the second machine part, the holder including a first section and a second section, the first section of the holder carrying the sealing lip and possessing an axially extending free end portion provided with at least one slit which extends axially from said free end portion toward said second section, the second section of the holder being provided with at least one inwardly extending projection that engages a recess formed in an outer surface of the second machine part, the outer surface of the second machine part including a first outer surface portion located on one side of the recess and a second outer surface portion located on the opposite side of the recess, the first outer surface portion being located closer to the first section of the holder than the second outer surface portion, the second section of the holder including an axially extending portion that engages the second outer surface portion of the second machine part.