Geometrical instruments – Straight-line light ray type – Alignment device
Patent
1997-05-09
2000-01-18
Roskoski, Bernard
Geometrical instruments
Straight-line light ray type
Alignment device
336511, E01B 3504
Patent
active
060148152
ABSTRACT:
At a machine for the establishing of a design--track position with a machine frame which runs on chassis and with a working unit coupled thereto, a measuring unit is in accordance with the invention directly placed on the machine frame for the working unit, resp. The measuring unit is, thereby, connected to a control device which controls the working unit in accordance with at least one parameter height position, lateral position and transverse inclination via a adjusting drive. The measuring unit includes an absolute measuring system for a registering of geodetically surveyed fixed points.
REFERENCES:
patent: 4301738 (1981-11-01), theurer
patent: 4497255 (1985-02-01), thuerer
patent: 4691565 (1987-09-01), theurer
patent: 5331745 (1994-07-01), Jager
J. Muller AG
Roskoski Bernard
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