X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1984-02-21
1985-05-21
Church, Craig E.
X-ray or gamma ray systems or devices
Source
Electron tube
378125, H01J 3504
Patent
active
045190933
ABSTRACT:
A rotary anode X-ray tube comprises a support frame disposed inside a glass bulb, a rotary anode fixed to a shaft portion of the support frame, a rotating shaft attached to the support frame coaxially with the shaft portion, a support member having a cylindrical portion concentrically surrounding the rotating shaft at a given space therefrom, a double tube concentrically disposed between the rotating shaft and the cylindrical portion and fixed to the cylindrical portion, first and second bearings concentrically disposed between the auxiliary tube and the rotating shaft at given spaces therefrom, and a coil spring for elastically pressing one race of one of the bearings along said rotating shaft, the other race of which is fixed.
REFERENCES:
patent: 3634870 (1972-01-01), Kessler et al.
patent: 3694685 (1972-09-01), Houston
patent: 3720853 (1973-03-01), Atlee et al.
patent: 4272696 (1981-06-01), Stroble
Kurihara Teruo
Oowa Takeshi
Church Craig E.
Tokyo Shibaura Denki Kabushiki Kaisha
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