F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
64/15
F16J 15/32 (2006.01) F16D 3/26 (2006.01) F16D 3/41 (2006.01)
Patent
CA 1331288
A B S T R A C T A modified internal seal for a universal joint is provided. The seal is for a universal joint of the type comprising a cross having trunnions with annular shoulders therearound and with a bearing cup for each of the trunnions with the bearing cup having an interior shoulder adjacent the open end thereof. The seal is substantially recessed within the bearing cup at the open end. The seal comprises a sealing member having a lip which engages a portion of the trunnion at the shoulder thereof and an oppositely extending lip which engages the shoulder of the bearing cup. The sealing member has additional lips extending inwardly and outwardly for engaging the trun- nion and the bearing cup. The sealing member has a deep annu- lar groove between the lip which engages the shoulder portion of the trunnion and the outwardly-extending lips, the groove opening outwardly away from the bearing cup. The latter lips can have discontinuities in the form of slits or notches ex- tending generally radially from outer extremities toward base portions thereof. The groove is located closer to the outer lips than the inner lips to form the sealing member into a thick, sealing body and a much thinner, lubricant-escape flap. -21-
586517
Macrae & Co.
Zeller Corporation (the)
LandOfFree
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