X-ray irradiator and X-ray imaging apparatus

Details X-ray irradiator and X-ray imaging apparatus X-ray irradiator and X-ray imaging apparatus

2006-08-15

2006-08-15

Glick, Edward J. (Department: 2882)

X-ray or gamma ray systems or devices

Beam control

Collimator

C378S193000, C403S338000

Reexamination Certificate

active

07092489

ABSTRACT:
With a view to providing an X-ray irradiator superior in workability in mounting a collimator box to an X-ray tube, the X-ray irradiator includes: a ring provided on an entry plate of the collimator box so as to surround an X-ray incidence window, the ring receiving therein a flange of the X-ray tube and having plural slots formed radially through the ring; plural tongue pieces inserted through the slots from outside to inside of the ring and holding down the back side of the flange; and a pair of half-rings which holds the plural tongue pieces at positions outside the ring and which, when one ends and opposite ends thereof are respectively opposed to each other, surrounds the ring with the plural tongue pieces inserted respectively into the plural slots.

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patent: 4464778 (1984-08-01), Goldmann
patent: 4663531 (1987-05-01), Ruike
patent: 4880985 (1989-11-01), Jones
patent: 5438605 (1995-08-01), Burke et al.
patent: 2003-061941 (2003-03-01), None

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