TRAVELING DEVICE AND CARRIAGE
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United States of America Patent
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Issued Date -
Jul 16, 2020
app pub date -
Jan 6, 2020
filing date -
Jan 10, 2019
priority date (Note) -
Published
status (Latency Note)
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Abstract
Provided is a traveling device being inserted into an accommodator of a carriage including a traveling wheel, being coupled to the carriage, and traveling while pulling the carriage. The traveling device includes a driving wheel provided at a bottom of the traveling device, and a first guide roller contactable with the carriage when the traveling device is inserted into the accommodator of the carriage, at least one of a corner and a side surface of the traveling device.
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