X-ray apparatus comprising an apparatus section which is pivotab

Details X-ray apparatus comprising an apparatus section which is pivotab X-ray apparatus comprising an apparatus section which is pivotab

1994-01-14

1995-02-07

Porta, David P.

X-ray or gamma ray systems or devices

Source support

Including movable source

378 37, 378196, A61B 604

Patent

active

053881419

ABSTRACT:
The invention relates to an X-ray apparatus, including an apparatus section which is pivotable about a horizontal pivotal axis that does not extend through its center of gravity, and a spring assembly for compensation of the torque which is exerted by the weight of the apparatus section on a coupling member which moves in an orbit about the pivotal axis during pivoting of the apparatus section. Suitable counterbalancing is readily achieved in that the center of the orbit is situated outside the pivotal axis in a vertical plane containing the pivotal axis and that the coupling member is guided in a guide device which is connected to the apparatus section and which extends towards the pivotal axis.

REFERENCES:
patent: 3770955 (1973-11-01), Tomita et al.
patent: 4813064 (1989-03-01), Jackson, III et al.
patent: 4989228 (1991-01-01), Louiday
patent: 5170420 (1992-12-01), Warden

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