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US Patent 5417500 - Bearing assembly utilizing improved clamping collar

US Patent Issued on May 23, 1995
Estimated Patent Expiration Date: Icon_subject September 13, 2013Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
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Abstract

A bearing assembly adapted to be secured to an elongated shaft. An inner race of the bearing assembly includes a clamping portion having a plurality of circumferentially spaced axial slots to form respective clamping fingers. A clamping collar mounts about the clamping fingers and is tightened to force the clamping fingers into clamping engagement with the shaft. The clamping collar has therein at least one relief indentation to provide enhanced flexibility. The enhanced flexibility allows a greater clamping force to be applied to the clamping fingers, and thus to the shaft.

Other References

  • Winfred M. Berg, Inc. catalog B-8, 1988, p. H516
  • P. 127 of publication showing NYLA-K Precision Mounted Ball Bearings with patented CENTRIK-LOK Shaft locking device (no date)
  • Seal Master publication, pp. 8-9 and 83, showing Gold Line with Skwezloc The Ultimate in Shaft Locking Devices (no date

Inventor

Assignee

Application

No. 120584 filed on 09/13/1993

US Classes:

384/513, Specified bearing race structure384/537, Assembling means384/569, Race, liner or sleeve384/585Race fastening means

Field of Search

384/537, Assembling means384/513, Specified bearing race structure384/569, Race, liner or sleeve384/542, Bolt384/541, Radial set screw384/585Race fastening means

Examiners

Primary: Footland, Lenard A.

Attorney, Agent or Firm

US Patent References

Re26591, 1687806, 3276828, 4403814, Method for locking an anti-friction bearing to a shaft and apparatus for accomplishing the same
Issued on: 09/13/1983
Inventor: Koss ,   et al.
4537519, Shaft locking device for bearing assemblies
Issued on: 08/27/1985
Inventor: LaRou ,   et al.
4687351Means for securing a bearing to a shaft
Issued on: 08/18/1987
Inventor: Martinie

International Class

F16C 017/02

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