Rotunda height adjustment device for boarding bridge
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 30, 2020
Grant Date -
N/A
app pub date -
Oct 11, 2017
filing date -
Dec 13, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A height adjustment device for adjusting a rotunda of a boarding bridge includes an external column fixed to the ground and having an inner space formed therein; an internal column which fixes a rotunda, and which is coupled so as to be slidable in the inner space such that rising and lowering is enabled; a driving unit which makes the internal column move vertically with respect to external column, and is disposed between the to the outside of the external column and the internal column; and a power unit for controlling the driving unit. The rotunda height adjustment device can be inspected, repaired for a defect thereof, and easily replaced.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully