Geometrical instruments – Distance measuring – Error compensation
Patent
1995-03-02
1997-03-18
Bennett, G. Bradley
Geometrical instruments
Distance measuring
Error compensation
33706, G01B 1104
Patent
active
056111487
ABSTRACT:
In the position-measuring arrangement having a groove formed in a housing for the fastening of a measurement embodiment. So that different expansion coefficients of the housing and of the measurement embodiment will cause no measurement errors, the measurement embodiment is fastened longitudinally slidable with respect to the housing in the groove. This is achieved by providing in the zone in which the measurement embodiment is held in the groove a sealing compound. A separating layer is provided between measurement embodiment and sealing compound to provide longitudinal movement.
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Bennett G. Bradley
Dr. Johannes Heidenhain GmbH
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