Air bearing for a spindle
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United States of America Patent
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Sep 28, 1999
Grant Date -
N/A
app pub date -
Dec 29, 1997
filing date -
Dec 29, 1997
priority date (Note) -
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Abstract
A self-acting air bearing for a pressurized spindle air bearing includes a bearing that is located within a cavity of a housing. The bearing and cavity may be shaped as a segment of a sphere. The spindle may be connected to a pressurized air source which creates an air bearing within a gap that separates the bearing from the housing. The bearing is attached to a shaft that is rotated by a motor. Rotation of the bearing creates a flow of air within the gap. The cavity and/or bearing may have a slot which cooperates with the air flow to increase the pressure of the air bearing.
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