Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2005-08-23
2005-08-23
Fulton, Christopher W. (Department: 2859)
Geometrical instruments
Straight-line light ray type
Alignment device
C033S293000, C033SDIG002, C033S412000, C356S622000
Reexamination Certificate
active
06931738
ABSTRACT:
The invention relates to a device for alignment of a first component (1) and a second component (2) in a predetermined relation to each other, comprising a transmitter unit (7) arranged for mounting on said first component (1) and comprising a light source (9) for the generation of light radiation (10) with a predetermined pattern in the direction towards a receiver unit (11; 11′, 22, 27; 27′) arranged for mounting on said second component (2), where the receiver unit (11; 11′) comprises a detection device (18a,18b;18a′,18b′23a,23b;28a,28b;28′a,28′b) for said light radiation (10). The invention is characterised in that said detector device (18a,18b;18a′,18b′,23a,23b;28a,28b,28′a,28′b) comprises a first detector (18a,18a′23a;28a;28a′) and a second detector (18b;18b′23b;28b;28′b), respectively, which are separated depthwise in relation to said transmitter unit (7). The invention also relates to a receiver unit (11; 11′; 22, 27, 27′) for the above-mentioned type of alignment, and also a method for such alignment. By means of the invention, an improved alignment of for example belt discs is provided.
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Bodgren Jan
Petersson Henrik
Sandström Peter
Strömberg Peter
A.P. Fixturlaser AB
Birch & Stewart Kolasch & Birch, LLP
Fulton Christopher W.
Guadalupe Yaritza
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