A self-levelling laser lever device

An improved laser level has a housing and a first shaft connected to the housing. Two bearings are disposed on the first shaft. A gimbal body is disposed on the two bearings. A second shaft is connected to the gimbal body. A third bearing is disposed on the second shaft. A pendulum is disposed on th...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MARSHALL, JAMES D, DECECCO, STEFANO F, SERGYEYENKO, OLEKSIY P, SHAVER, DAVID M
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	GYROSCOPIC INSTRUMENTS MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SURVEYING TESTING
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