Bearing assembly for X-ray tube

Details Bearing assembly for X-ray tube Bearing assembly for X-ray tube

1998-01-26

1999-11-23

Porta, David P.

X-ray or gamma ray systems or devices

Source

Electron tube

378125, H01J 3510

Patent

active

059913614

ABSTRACT:
An X-ray tube bearing assembly has a first X-ray tube shaft with first and second ball-bearing raceway surfaces which are integral with (i.e., either monolithic portions of or fixedly attached to) the first shaft and has a second X-ray tube shaft with a third ball-bearing raceway surface which is integral with the second shaft. A ball-bearing race, which is non-integral with (i.e., neither a monolithic portion of nor fixedly attached to) the two shafts, has a fourth ball-bearing raceway surface. A first set of ball bearings is located between the first and third raceway surfaces, and a second set of ball bearings is located between the second and fourth raceway surfaces. Preferably, an anode target surface is attached to the first shaft, and a mechanism is provided to preload the ball-bearing race.

REFERENCES:
patent: 3694685 (1972-09-01), Houston
patent: 4272696 (1981-06-01), Stroble et al.
patent: 4519093 (1985-05-01), Kurihara et al.
patent: 4949368 (1990-08-01), Kubo
patent: 4956858 (1990-09-01), Upadhya
patent: 5140624 (1992-08-01), Chrisien
patent: 5483570 (1996-01-01), Renshaw et al.
patent: 5541975 (1996-07-01), Anderson et al.
patent: 5652778 (1997-07-01), Tekriwal

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