MULTI-SEGMENT SEAL RETAINER FOR ROTATING SHAFTS
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United States of America Patent
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N/A
Issued Date -
Dec 6, 2012
app pub date -
May 24, 2012
filing date -
May 31, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A retainer assembly for a seal encircling a shaft to prevent migration along the shaft, has at least two rings that encircle the shaft. A first ring is fastened to the wall and encircles the shaft to form an annular recess surrounding the periphery of the seal. A second ring encircles the shaft with outside and inside diameters allowing at least a portion of the second ring to fit into the annular recess between the first ring and the seal. A plurality of fasteners attach to the first ring and are external to the second ring. Each fastener engages a peripheral portion of the second ring to press the second ring toward the wall. In a preferred embodiment, the retainer has inner, middle, and outer rings that allow retaining of two seal sections.
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