| 主权项 |
1. A trailer frame comprising:
a first frame rail section having a first end and a second end; a second frame rail section having a first end and a second end; each of said first and second frame rail sections comprising:
a web defining a first T-shaped embossment coextensive with said first end of said web;a first flange extending from said web in a first direction generally perpendicular to said web;a second flange extending from said web in a second direction generally perpendicular to said web, said second direction generally opposite said first direction;a third flange extending from said first flange in a third direction generally perpendicular to said first flange; anda fourth flange extending from said second flange in a fourth direction generally perpendicular to said second flange, said fourth direction generally opposite said third direction; and a first plate comprising:
a web having first through fourth side edges;a first flange extending in a first direction from said first side edge of said web;a second flange extending in said first direction from said second side edge of said web;a third flange extending in said first direction from said third side edge of said web; anda fourth flange extending in a fourth direction from said fourth side edge of said web;wherein said web defines an I-shaped embossment having a first T-shaped portion coextensive with a second T-shaped portion, each of said first and second T-shaped portions complementary to said first T-shaped embossments of said first and second frame rail sections; wherein said first end of said first frame rail section abuts said first end of said second frame rail section and wherein said first T-shaped portion of said first plate overlies and nests with said first T-shaped embossment of said first frame rail section and said second T-shaped portion of said first plate overlies and nests with said first T-shaped embossment of said second frame rail section; and wherein said first T-shaped portion of said first plate and said first T-shaped embossment of said first frame rail section define corresponding, coaxially-aligned first apertures and said second T-shaped portion of said first plate and said first T-shaped embossment of said second frame rail section define corresponding, coaxially-aligned second apertures, said trailer frame further comprising first fasteners extending through corresponding ones of said first apertures and second fasteners extending through corresponding ones of said second apertures. |
