Retrofittable severe duty seal for a shaft
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United States of America Patent
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Feb 9, 2010
Grant Date -
Jan 19, 2006
app pub date -
Sep 19, 2005
filing date -
Sep 25, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention discloses a seal and a method of sealing dynamic shaft applications. The seal comprises an inner portion, an outer portion, a faceplate, and at least one flexible member located between the inner and outer portions. The method comprises providing a dynamic shaft assembly containing a bore for receiving a seal, providing a unitized seal, and placing the unitized seal on the shaft, thus sealing the assembly so that lubricants may not escape, and foreign material may not enter. The unitized seal can provide permanently lubricated sealed bearings in severe service conditions such as rollers and idlers of track-driven vehicles and agricultural equipment.
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