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Bearings

Patent Abstracts

From 06/09/2014 through 1/7/2013   

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Patents with Abstracts

2. 8,342,039 
Process for measuring preloading of low-rolling resistance bearings 

Wickens, Michigan, measured the preload condition of a vehicle differential gear assembly with a multi-axis load cell having a spherical load button.  The differential assembly is supported by the pinion shaft and the load cell button is positioned within a carrier housing hole.  The pinion shaft is then rotated relative to the housing resulting in the housing to rotate along with the pinion shaft and abut against the load button.  The resulting force against the button is measured in three orthogonal directions permitting an accurate force vector to be determined.  The bearings preload is simultaneously set by applying an axial compressive force against the bearings while the pinion shaft is rotated. (RDC 1/7/2013)

1. 8,341,844 
Manufacturing method of an outer ring for a bearing unit
Tsukamoto et al of NSK Ltd., Japan,  developed an grinding method for inner and outer rings In view of the above-described circumstances, the manufacturing method of inner and outer rings of based on two grinding wheels.  (RDC 1/7/2013)

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Interested!!
Bookmark this page to follow future developments!.
(RDC 6/5/2012)

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Roger D. Corneliussen
Editor
www.maropolymeronline.com

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E-Mail: cornelrd@bee.net  

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Copyright 2013 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or forwarded by electronic mail without the express written permission of Roger D. Corneliussen
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** Date of latest addition; date of first entry is 1/7/2013.