Bearings – Rotary bearing – Plain bearing
Patent
1999-03-26
2000-08-08
Ta, Khoi Q.
Bearings
Rotary bearing
Plain bearing
384296, 384299, F16C 3302
Patent
active
060991666
ABSTRACT:
A rider having a centralizing or radially stabilizing bushing that reduces vibration and a longitudinal stabilizer element or lip to prevent longitudinal translation of the stabilizing bushing. The centralizing bushing maintains contact, alignment, and general stability between the bushing and the shaft and reduces noise and fluctuations between the bushing and the shaft when they are moving relative to each other. The bushing is mounted in the rider and includes a bearing engagable with the shaft and a cap engagable with the longitudinal stabilizing unit. There are high friction, elastomeric means engagable with the bearing for limiting movement of the bearing away from the shaft and the rider is under unbalanced radial load conditions. The coefficient of thermal expansion of the bearing is essentially the same as the coefficient of thermal expansion of the shaft. The bearing is made of a thermoplastic resin mixed with carbon fiber and having a coefficient of thermal expansion which is essentially the same as that of the shaft such that the shaft and bearing will expand and contract essentially at the same rate in response to the temperature changes.
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Erikson Keith W.
Erikson Kenneth W.
Kerk Motion Products, Inc.
Ta Khoi Q.
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