Magnetic spacer

Details Magnetic spacer Magnetic spacer

2006-03-29

2008-12-02

Hannon, Thomas R (Department: 3682)

Bearings

Linear bearing

Roller bearing

C384S446000, C384S520000

Reexamination Certificate

active

07458722

ABSTRACT:
A spacer contains a magnetic filler and is disposed between the magnetic conductive balls. The magnetic filler produces an indirect magnetic attractive force on the balls, therefore, when the interval between the two neighboring balls is overlarge, the spacer will not tip over under the effect of gravity or centrifugal force, but will be adsorbed on the balls by the magnetic filler.

REFERENCES:
patent: 3011842 (1961-12-01), Norris
patent: 3016274 (1962-01-01), Norris
patent: 3895846 (1975-07-01), Edwards
patent: 3977739 (1976-08-01), Moskowitz et al.
patent: 6347558 (2002-02-01), Miyaguchi et al.
patent: 6513978 (2003-02-01), Shirai et al.
patent: 2005/0118926 (2005-06-01), Roger
patent: 2006/0196292 (2006-09-01), Tsou et al.
patent: 10318266 (1998-12-01), None

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