Rotating and driving system for survey instrument
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 19, 1995
Grant Date -
N/A
app pub date -
Jun 27, 1994
filing date -
Jun 29, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotating and driving system for a survey instrument, wherein a driven wheel is mounted on a shaft of a movable unit and a slide baseplate is disposed on the shaft so as to be movable in a direction perpendicular to the axis of the shaft. A gear, driven by a motor, is mounted on the slide baseplate in such a position that the gear can be engaged with the driven wheel when the slide baseplate is pushed in the proper direction. By providing engaging force between the driven wheel and the gear, backlash is suppressed, and positioning can be achieved at higher accuracy.
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