Auxiliary supporting unit, boarding bridge with the same and method for improving stability of the boarding bridge by using the same
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United States of America Patent
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Jun 29, 2010
Grant Date -
Jun 21, 2007
app pub date -
Jan 25, 2005
filing date -
Feb 26, 2004
priority date (Note) -
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Abstract
The present invention relates to an auxiliary supporting unit for a boarding bridge, a boarding bridge with the same and method for improving stability of boarding bridge. The auxiliary supporting unit includes a leg support which can be driven to extend and retract; and a foot portion attached to one end of the leg support, wherein the foot portion can be supported on the ground when the leg support being extended and can leave the ground when the leg support being retracted.
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