X-ray examination apparatus comprising a balanced supporting arm

Details X-ray examination apparatus comprising a balanced supporting arm X-ray examination apparatus comprising a balanced supporting arm

1989-06-22

1990-10-02

Church, Craig E.

X-ray or gamma ray systems or devices

Source support

Including movable source

378196, H05G 102

Patent

active

049612140

ABSTRACT:
An X-ray examination apparatus for irradiating an object in different directions comprises a C-shaped support whereto there are secured an X-ray source, an X-ray detector and a counterweight. The counterweight is situated at the end of the arm which also carries the X-ray detector. The movement of the counterweight is such that for all positions of the X-ray detector the center of gravity of the support, the X-ray source, the X-ray detector and the counterweight is situated in the point of intersection of the axes of rotation (the isocenter). As a result, the support is continuously balanced and manual adjustment of the support is possible. Balancing is enhanced by a cast and hence light C-shaped support.

REFERENCES:
patent: 3281598 (1966-10-01), Holstein
patent: 3892967 (1975-07-01), Grady et al.
patent: 4363128 (1982-12-01), Grady et al.

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