G - Physics
09
F
G09F 7/20 (2006.01) G08B 21/00 (2006.01)
Patent
CA 2492987
A sliding sign is movably mounted on an overhead truss which extends over a roadway. The sliding sign is mounted on rails connected to the top and bottom chords of the truss so that the sign may be moved from a position over the roadway to a position adjacent the shoulder of the roadway so that necessary maintenance may be performed on the sign without the need for lane closures of the roadway.
Erichsen John R.
Noble Myron C.
Poot Aaron C.
Redinger Theodore W. SR.
Battison Williams Dupuis
Valmont Industries Inc.
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