Transport vehicle and transport method
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United States of America Patent
Stats
-
Jun 8, 2021
Grant Date -
Aug 27, 2020
app pub date -
Mar 30, 2017
filing date -
May 20, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A transport vehicle includes a body; a lift platform that includes a holder to hold an article, the lift platform being ascendable and descendable with respect to the body; a lift driver that raises or lowers the lift platform by feeding out or taking up a flexible suspension support; a sensor provided in the lift driver and emits a detection wave having directivity toward a certain lower position; a lateral extender that causes the lift driver to project laterally from the body while providing cantilever support for the lift driver; and a corrector that corrects a shift in an emission direction of the detection wave that arises from bending of the lateral extender in a state in which the lift driver is caused to project laterally from the body by the lateral extender.
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