Importance

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Abstract

The invention concerns a device (8) for measuring the width (b) of a gap (2) between two structural parts (3), wherein the gap (2) is delimited by edges (17) of the structural parts (3). The device comprises an illumination component (9) for illuminating the structural parts (3), a detection component (10) for detecting reflections caused by the illumination component (9) on the structural parts (3) in the area of the gap (2), and an evaluation component (19) for evaluating the detected reflections and for determining the width (b) of the gap (2). To measure the width (b) of the gap (2) in a simple, reliable, accurate, and reproducible fashion independently of the surface finish of the structural parts (3), the illumination component (9) and the detection component (10) are arranged and oriented relative to one another and relative to the gap (2) such that the detection component (9) detects line-shaped reflections at the edges (17) of the structural parts (3) delimiting the gap (2).

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First Claim