Rotary shafts – gudgeons – housings – and flexible couplings for ro – Coupling accommodates drive between members having... – Coupling transmits torque via radially directed pin
Patent
1983-02-16
1985-05-07
Levy, Stuart S.
Rotary shafts, gudgeons, housings, and flexible couplings for ro
Coupling accommodates drive between members having...
Coupling transmits torque via radially directed pin
277 95, 464128, 384482, F16D 333, F16C 3378, F16J 1534
Patent
active
045155747
ABSTRACT:
A universal joint seal is provided for a universal joint, which seal is more effective in retaining lubricant and in preventing the ingress of water and contaminants, particularly when engaging surfaces which tend to be rough. In a specific form, the universal joint includes a cross having a body and trunnions extending therefrom with an annular shoulder and an adjacent surface of circular cross section at the juncture of said body and each of the trunnions. The bearing cup has an open end which receives the trunnion and can have an annular groove adjacent the open end. The universal joint seal comprises a resilient sealing member having at least two circular lips which engage the annular shoulder of the cross and at least one additional lip which engages the adjacent surface of the cross. The sealing member also has at least one lip which engages the open end of the cup and additional lips which engage the groove portion of the cup. Thus, at least three seals are provided between the seal and the cross and between the seal and the cup to contain lubricant in the cup and to prevent the ingress of water and contaminants.
REFERENCES:
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patent: 3377820 (1968-04-01), Smith
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patent: 3779039 (1973-12-01), Schultenkamper
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patent: 3906746 (1975-09-01), Haines
patent: 4021085 (1977-05-01), Willyard
Gutchess, Jr. Allen D.
Hannon Thomas R.
Levy Stuart S.
The Zeller Corporation
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