X-ray or gamma ray systems or devices – Source support – Including movable source
Patent
1990-03-16
1991-11-19
Church, Craig E.
X-ray or gamma ray systems or devices
Source support
Including movable source
378210, H05G 102
Patent
active
050671456
ABSTRACT:
A mobile X-ray apparatus for use in X-ray in diagnostic examinations comprising a base on wheels having an arm structure mounted thereon for supporting an X-ray tube, wherein this arm structure comprises a first structure of telescopic construction utilizing a pulley principle for an extended vertical travel of the X-ray tube and yet compactness, and further including a constant spring mechanism for allowing manual positioning, a second structure moveably mounted on the first structure for both horizontal and vertical displacement of the X-ray tube which structure includes a parallelogram and a horizontal telescopic member, a steering assist mechanism including motors providing power to each wheel of one pair of the wheels and being independently energized so that a power differential can be created as desired to assist in turning the apparatus. This disclosure further includes a brake mechanism for effective control of positioning of any moveable structure of an X-ray apparatus.
REFERENCES:
patent: 3790805 (1974-02-01), Foderaro
patent: 4989229 (1991-01-01), Negrelli et al.
Siczek Aldona A.
Siczek Bernard W.
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