X-ray or gamma ray systems or devices – Source – Electron tube
Reexamination Certificate
2007-05-11
2009-11-17
Song, Hoon (Department: 2882)
X-ray or gamma ray systems or devices
Source
Electron tube
C378S119000
Reexamination Certificate
active
07620153
ABSTRACT:
A bearing assembly mounted in an x-ray tube includes a bearing race and a plurality of bearing balls positioned adjacent to the bearing race. The plurality of bearing balls are positioned within a bearing cage. The bearing cage is configured to evenly space the bearing balls within the bearing cage and prevent contact between adjacent bearing balls, thereby eliminating the problems of skidding wear and dynamic impact load between adjacent bearing balls in the bearing assembly.
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patent: 5752773 (1998-05-01), Rosado et al.
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patent: 2004/0179762 (2004-09-01), Doll et al.
patent: 2005/0276530 (2005-12-01), Chen et al.
Peterson, II Myles Standish
Qiu Liangheng
Rogers Carey Shawn
Zhong Dalong
General Electric Company
Song Hoon
Ziolkowski Patent Solutions Group, SC
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