Patent ID: 6086122
Filing Date: 2000-07-11
Classification: B60K,F41H

Abstract:
A grating for special-purpose vehicles, comprising: a plurality of parallel lengths of structural section having ends; frame components at said ends and having first cutouts, said ends of said lengths of structural section extending through said first cutouts; said lengths of structural section having a metal core and a non-metal sheath; a plate with second cutouts corresponding in cross-section to said metal core and positioned against a surface of said frame components, said core at said ends facing said second cutouts, said first cutouts corresponding in cross-section to said ends of said lengths of structural section; means securing said at least part of said core at said ends in said second cutouts in said plate for securing said ends of said lengths of structural section against displacement within said first cutouts when said second cutouts are in substantial alignment with said first cutouts and said plate is free of displacement relative to said frame components for securing said ends of said lengths of structural section.