Patent ID: 9651154
Date: 2017-05-16
CPC Classifications: F16J,Y10T

Claim:
1. A method of installing a radial shaft seal onto a shaft, comprising: providing a shaft having a running surface; providing a radial shaft seal having a seal lip with an annular sealing surface extending from an oil side end to a free air side end with an annular bridge extending from the oil side end to an outer mounting portion such that the bridge extends in radially aligned relation with the seal lip and forms an annular pocket facing an air side of the radial shaft seal, and further including an annular installation lip extending axially from the free air side end of the seal lip toward the air side of the radial shaft seal; moving at least one of the shaft and the radial shaft seal axially toward the other of said shaft and said radial shaft seal and bringing the installation lip of the seal lip into abutment with an end of the shaft; and bringing the sealing surface into sealing engagement with the running surface while concurrently causing the installation lip to move automatically out of contact with the running surface.