Rotary Drive Unit Of A Surveying Instrument And A Surveying Instrument
AssigneeTopcon Corporation
InventorsJun-ichi Kodaira, Naoto Miki
Life of this patent
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Abstract
A surveying instrument which comprises a rotation unit 7 adapted to direct a distance measuring optical axis to an object to be measured and the rotary drive unit 5 rotates the rotation unit, comprising a rotary motor for rotating an output shaft 6 and a clutch unit for connecting or disconnecting the rotary motor and the output shaft, wherein the rotary motor and the clutch unit are arranged in a series along the output shaft, and the output shaft is fixed to the rotation unit.
Claims11
A rotary drive unit of a surveying instrument which comprises a rotation unit adapted to direct a distance measuring optical axis to an object to be measured and the rotary drive unit rotates said rotation unit, comprising a rotary motor for rotating an output shaft and a clutch unit for connecting or disconnecting said rotary motor and said output shaft, wherein said rotary motor and said clutch unit are arranged in a series along said output shaft, and said output shaft is fixed to said rotation unit.
Dependencies are inferred from the claim text.