MIXING IMPELLER HUB APPARATUS AND METHOD
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United States of America Patent
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Issued Date -
Nov 11, 2010
app pub date -
May 5, 2009
filing date -
May 5, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An impeller mounting apparatus and method have an elongated cylindrical shaft, a hub having a central aperture therethrough larger than the outer diameter of the shaft, with at least one first channel disposed on an inner circumference of the hub, having an end opening with a first diameter larger than the shaft, and at least one first elastomeric ring having a central circumference less than the outer circumference of the shaft, and adapted to fit over the shaft and inside the channel, thereby becoming outwardly expanded into the channel, the elastomeric ring further having a first ear that projects along the shaft adjacent the end opening, wherein the first ear is dimensioned so that upon expansion the ear does not completely fill the end opening.
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