Arrangement of a revision frame section in a hole plates the ceiling and the drilling template for carrying out of the arrangement

摘要

Arrangement of a revision frame section in a hole plates cover made of perforated plates with a predetermined screen and with a plurality of holes, which is a predetermined size and geometry, have, wherein the inspection frame profile adjoining bearing arm, which each carry a locking bolt, which with its geometry and dimensions none of the plurality of holes, characterized in that the two locking pins (3.12; 3.22; 3.32; 3.42) on the mutually adjacent support legs (3.1; 3.2; 3.3, 3.4) are positioned such that, this having an eccentric edge contact in each case in one of the holes (5.1) can be inserted.