Seal for a shaft
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United States of America Patent
Stats
-
Oct 15, 1991
Grant Date -
N/A
app pub date -
Dec 8, 1989
filing date -
Apr 15, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A seal for sealing a shaft to a sheet of material is provided, the seal having a hollow body to extend through an aperture in the sheet of material, an outwardly extending flange on one end of the body, at least one first annular sealing element extending radially inwardly of the body for cooperation with the shaft to provide a seal therebetween, a second annular sealing element interposed between the flange and a first face of the sheet of material to seal the flange to the sheet, and a retaining member on the other end of the body to retain the body in the aperture and bias the flange towards the first face of the sheet material, wherein the body and the flange are of relatively hard material and the first and second annular sealing elements are of relatively soft material.
First Claim
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International Classification(s)
- Non-US Classification not provided for expired patents
Cited Art Landscape
Patent Citation Ranking
- Citation Ranking not provided for expired patents
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