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US 4,305,626 AGranted
Textile rollers
AssigneeAkzona Incorporated
InventorsNorbert Schulz, Karl Ostertag, Hans-Dieter Kayser
Life of this patent
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Abstract
An aerodynamically supported roller bearing is disclosed, having means for connecting a compressed gas supply and using the compressed gas to bring the roller up to a desired speed. The design of the roller then permits the compressed gas supply to be reduced or turned off while the roller continues to be aerodynamically supported. Advantageously, some minimal compressed gas is continued through the roller to purge the roller of potential dust particles interfering with the operation of the roller.
Claims6
An aerodynamically supported roller, comprising:
- (a) a stationary pivot journal having a first axial bore extending from one end thereof, said first axial bore having means for connecting a compressed gas source thereto;
- (b) an outer roller body, substantially cylindrical in shape and having a circular bead on its outer surface;
- (c) bearing means between said stationary pivot and said outer roller body and positioned at each end of the roller body, said bearing means forming a chamber between said stationary pivot and said outer roller body;
- (d) means for maintaining said outer roller body in axial alignment with said stationary pivot;
- and
- (e) said stationary pivot further having a radial bore extending from said axial bore into said chamber, and said outer roller body having at least two bores symmetrically extending tangentially from the inner surface of said roller body adjacent said chamber through said circular bead and in a plane perpendicular to the roller axis.
3 more elements
Dependencies are inferred from the claim text.