Device for guiding a film in an optoelectronic apparatus such as a scanning analyzing device
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United States of America Patent
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app pub date -
Jul 9, 2004
filing date -
Feb 5, 2002
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Abandoned
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Abstract
A device for guiding a film in an apparatus comprises guiding and driving means engaged on the two lateral edges of the film. The guiding and driving means is further designed to force the film to follow a curved trajectory in the imaging zone of the apparatus. The means guiding and driving the film include two coaxial rollers whereon the film is urged to span through its two edges, and two parallel driving belts urged respectively to be supported on said edges on the side opposite the rollers, along an arc with predetermined sustaining angle. The invention is useful for guiding film in an optoelectronic apparatus such as a scanning analysis device.
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