Cover for a pit assembly comprises supporting beams each having a trapezoidal cross-section so that a hinge connection is formed between neighboring supporting beams in the region between the upper side and the lower side of the beams

摘要

The cover (10) comprises supporting beams (11) each having a trapezoidal cross-section so that a hinge connection is formed between neighboring supporting beams in the region between the upper side (20) and the lower side (21) of the beams. Preferred Features: The supporting beams are made from injection molded profiles of aluminum or lightweight metal. The lower halves of the supporting beams have a trapezoidal cross-section.