Collapsible bridge and method of laying same
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United States of America Patent
Stats
-
Jul 19, 2005
Grant Date -
Jun 17, 2004
app pub date -
Sep 15, 2003
filing date -
Sep 14, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A collapsible bridge and laying method for a collapsible bridge where bridge girders are pushed over an obstacle by way of a laying beam positioned in front of the obstacle to be bridged. Rollers and roller carriers carrying the rollers are fastened to the bridge girders, the rollers running in rails arranged on the laying beam. During the laying operation, the rollers with the pertaining roller carrier leaving the rail of the laying beam are removed from the bridge girder and are mounted again at a different point of the bridge girder which is momentarily situated in front of the entry into the rail of the laying beam. This process of using and removing the rollers from the bridge girder is repeated during laying of the bridge. The bridge girder can include a plurality of detachably connectible bridge girder sections.
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