Back to results
US 12,588,468 B2Granted
Overhead transport vehicle
AssigneeMurata Machinery, Ltd.
InventorsYuji Shimizu, Seiji Yamagami
Life of this patent
Estimating the term…
Abstract
An overhead transport vehicle includes: a holding unit that is provided to be liftable and lowerable and configured to hold an article; a three-dimensional ranging sensor that has a detection range to include surroundings of a lower space formed directly below the article held by the holding unit; and a control device that is configured to determine presence or absence of an obstacle based on a detection result of the three-dimensional ranging sensor.
Claims6
An overhead transport vehicle comprising:
- a holder to be liftable and lowerable and to hold an article;
- a three-dimensional ranging sensor that has a detection range to include surroundings of a lower space directly below the article held by the holder;
- and
- a controller configured or programmed to determine presence or absence of an obstacle based on a detection result of the three-dimensional ranging sensor;
- wherein
- the detection range of the three-dimensional ranging sensor includes at least one of the holder and the article held by the holder;
- the controller is configured or programmed to determine at least one of swaying, tilting, and rotating of the article held by the holder based on a detection result of the three-dimensional ranging sensor;
- at least one of the holder and the article held by the holder includes a light emitter;
- and
- the three-dimensional ranging sensor is operable to detect light emitted by the light emitter.
7 more elements
Dependencies are inferred from the claim text.