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US 5,924,152 AGranted
Device that can be walked on or driven on
OwnerPeter Maierinventor
Life of this patent
Estimating the term…
Abstract
In a device that can be walked on or driven on, for example for bridging under bridges requiring renovation or for bridging over streets, a web that can be walked on is connected to handrails via transverse struts. In this case, the web that can be walked on and/or the transverse struts and/or the handrails comprise extruded aluminum profiles.
Claims21
A bridge desk system comprising:
- a web extending along a longitudinal axis, said web comprising a plurality of boards, each board having at least three aluminum profiles extending transverse to said longitudinal axis including two end profiles and at least one intermediate aluminum profile, each end profile being provided with hinge means for hingedly connecting said plurality of boards together along said longitudinal axis to form said web having two side edges extending substantially parallel to said longitudinal axis;
- a pair of aluminum rails disposed above said web, said rails being spaced from and substantially parallel to one another and to said longitudinal axis;
- and
- a plurality of aluminum struts arranged between and directly connected to said web and said rails for supporting said rails above said web.
1 more element
Dependencies are inferred from the claim text.