X-ray examination apparatus
First Claim
Patent Images
1. An X-ray examination apparatus comprising:
- a column;
a mount connected to the column and rotatable about an axis;
a C-shaped carrier journaled in the mount and which carries an X-ray source and an X-ray detector in facing relation, said carrier being displaceable in the mount along a segment of a circle;
carrier displacement means coupled to the mount including a drive shaft and a friction roller secured to the shaft for bearing against the carrier on a carrier contact face for displacing the carrier relative to the mount; and
coupling means secured to the mount for selectively coupling and decoupling said friction roller to said displacement means.
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Accused Products
Abstract
In an X-ray examination apparatus, comprising a column, a mount which is connected to the column and which is rotatable about an axis, and a C-shaped carrier which is journalled in the mount, there is provided a friction roller which serves to drive and brake the C-shaped carrier and which bears against a contact face provided along the carrier. The carrier is thus locked in a play-free manner and can be readily adjusted by hand. Because the friction roller is journalled in a carriage which is displaceable with respect to the mount, a pressure exerted on the contact face by the friction roller is adjustable.
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Citations
24 Claims
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1. An X-ray examination apparatus comprising:
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a column; a mount connected to the column and rotatable about an axis; a C-shaped carrier journaled in the mount and which carries an X-ray source and an X-ray detector in facing relation, said carrier being displaceable in the mount along a segment of a circle; carrier displacement means coupled to the mount including a drive shaft and a friction roller secured to the shaft for bearing against the carrier on a carrier contact face for displacing the carrier relative to the mount; and coupling means secured to the mount for selectively coupling and decoupling said friction roller to said displacement means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An X-ray examination apparatus comprising:
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a support; a mount connected to the support; a C-shaped carrier having a contact face and journaled in the mount, said carrier carrying an X-ray source and an X-ray detector in facing relation, said carrier being displaceable in the mount along a segment of a circle; carrier displacement means coupled to the mount including a friction carrier drive roller secured for bearing against the carrier on said carrier contact face and friction roller drive means for displacing the carrier relative to the mount, said drive roller being made of relatively incompressible material; and means for selectively locking the carrier to preclude carrier displacement relative to said mount. - View Dependent Claims (19, 20, 21, 22, 23, 24)
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Specification