Universal joint including a seal, seal, and method for installing a seal
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United States of America Patent
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Oct 6, 2020
Grant Date -
Mar 15, 2018
app pub date -
Aug 31, 2017
filing date -
Sep 12, 2016
priority date (Note) -
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Abstract
A universal joint includes a bush, a bearing journal supported in the bush by a bearing and a seal assembly configured to form a seal between the bearing journal and the bush. The seal assembly includes an outer body formed from a first material having a first hardness, and a reinforcing body at least partially embedded in the outer body is formed from a second material having a hardness greater than the hardness of the first material. The reinforcing body contacts and forms a slip surface for a rolling element of the bearing. The reinforcing body and the outer body are configured such that the reinforcing body compresses a portion of the outer body against the journal when the seal assembly is mounted on the bearing journal.
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