Back to results
US 5,625,997 AGranted
Composite beam
OwnerRobert M. Callahan, Ronald B. Shiflettinventors
Life of this patent
Estimating the term…
Abstract
A composite beam including an elongated metal shell and a pierceable insert contained within at least one end of the elongated metal shell.
Claims7
A composite beam, comprising:
- an elongated shell having a C-shaped cross section, said elongated shell including:
- an intermediate wall;
- a pair of side walls integral with said intermediate wall and extending at right angles therefrom;
- a pair of flanges integral with said pair of side walls and extending at right angles therefrom in a common plane parallel to said intermediate wall;
- and,
- the respective ends of said intermediate wall, said pair of side walls and said pair of flanges defining a substantially planar abutment surface at each end of said elongated shell;
- a pierceable insert contained within each end of said elongated shell;
- and,
- an L-shaped bracket contained within each end of said elongated shell serving as an abutment for one said pierceable insert.
6 more elements
A composite beam, comprising:
- an elongated metal shell having a C-shaped cross section, said elongated metal shell including:
- an intermediate wall;
- a pair of side walls integral with said intermediate wall and extending at right angles therefrom;
- a pair of flanges integral with said pair of side walls and extending at right angles therefrom in a common plane parallel to said intermediate wall;
- and,
- the respective ends of said intermediate wall, said pair of side walls and said pair of flanges defining a substantially planar abutment surface at each end of said elongated metal shell;
- a pierceable insert contained within at least one end of said elongated metal shell;
- and,
- an L-shaped bracket contained within said elongated metal shell serving as an abutment for said pierceable insert.
6 more elements
Dependencies are inferred from the claim text.