Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having... – Coupling transmits torque via radially directed pin
Patent
1988-04-04
1989-08-29
Stodola, Daniel P.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
Coupling transmits torque via radially directed pin
277 84, 277152, 384481, 384486, 464 14, F16J 1532, F16D 326
Patent
active
048613150
ABSTRACT:
A 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 trunnion and the bearing cup. The sealing member has a deep annular 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 extending 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.
REFERENCES:
patent: 2836450 (1958-05-01), Riesing
patent: 3341212 (1967-09-01), Bagnard et al.
patent: 4116019 (1978-09-01), Welschof
patent: 4440401 (1984-04-01), Olschewski et al.
patent: 4530675 (1985-07-01), Mazziotti
patent: 4653936 (1987-03-01), Olschewski et al.
Gutchess, Jr. Allen D.
Stodola Daniel P.
The Zeller Corporation
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