Headed fastener with precisely calculated groove under head to accomodate o'ring sealing member as a self-sealing assembly
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United States of America Patent
Stats
-
Sep 4, 2001
Issued Date -
N/A
app pub date -
Apr 28, 1999
filing date -
Jan 27, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sealing nut is disclosed for sealed engagement with a workpiece. The sealing nut has a nut body having a lower face, and a bore extends through at least a portion of the nut body. A groove is formed in the lower face, the groove having a side wall which extends upwardly from the lower face. At least a lower portion of the side wall slants outward from a remotely disposed axis of the bore as the side wall extends upward from the lower face. A sealing element, such as an O-ring is disposed within the groove. The sealing element has an outer diameter greater than the diameter of the groove at the lower face of the nut body so that the sealing element must be compressed slightly to be fitted within the groove and so that the groove removably retains the sealing element in place without the need for a sealant or glue.
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Cited Art Landscape
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