Collapsible bridge and method of laying same

Details Collapsible bridge and method of laying same Collapsible bridge and method of laying same

2005-07-19

2005-07-19

Will, Thomas (Department: 3671)

Bridges

Bridge construction method

C014S002400

Reexamination Certificate

active

06918152

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.

REFERENCES:
patent: 3490605 (1970-01-01), Koss
patent: 4521932 (1985-06-01), Parramore
patent: 4920595 (1990-05-01), Fuessinger et al.
patent: 4962556 (1990-10-01), Helmke et al.
patent: 5553341 (1996-09-01), Wiedeck et al.
patent: 5915423 (1999-06-01), Thomas
patent: 2 758 835 (1998-07-01), None

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