Flexible joint means
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United States of America Patent
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Jul 11, 1989
Grant Date -
N/A
app pub date -
May 22, 1987
filing date -
May 27, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a flexible joint having a through-bore for the flow of fluid and comprising a pair of annular rigid members relatively rotatable about the longitudinal axis of the flexible joint, an annular elastomeric bearing is interposed between the relatively rotatable annular rigid members to flexibly interconnect the members and transmit load therebetween, and a normally sealed annular chamber is provided between the relatively rotatable annular rigid members and arranged to extend over an otherwise exposed surface of the bearing. Preferably the annular chamber is defined in part by a flexible diaphragm; the flexible diaphragm or the manner in which it is located permits relative rotational movement of the rigid members.
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