Universal joint having a flexible boot
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United States of America Patent
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-
Apr 11, 1989
Grant Date -
N/A
app pub date -
Aug 3, 1987
filing date -
Feb 27, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A universal joint provided with a joint body having an inner ring disposed at one end of a first shaft and an outer ring disposed at one end of a second shaft, and a flexible boot fitted at its opposite ends to said outer ring and the first shaft. Inside the flexible boot is formed a sealed space in which grease for lubricating the joint body is enclosed and which is charged with nitrogen gas.
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