SAFETY NET COUPLER OF MANHOLE

摘要

PURPOSE: A safety net coupler of a manhole is provided to couple or dismantle a safety net easily by interposing a safety net support, to prevent a safety net installed on a manhole from opening by rainwater which flows backward from a sewer pipe, and to prevent the accidental fall into a manhole. CONSTITUTION: The safety net coupler of a manhole comprises: a manhole frame buried under a manhole(10) to the same height as the ground and provided with a setting projection(2) projected inward to fix a manhole cover(1); a concrete manhole(30) installed on the lower part of the manhole frame and buried under the ground and provided with an opening(31); a safety net support(40) installed to the inside of the opening(31) of the concrete manhole(30) and provided with many hanging projections(41); and a safety net(50) provided with a mesh(51) to place on the safety net support(40) and a long hole(52) to be fixed on the hanging projection(41) of the safety net support(40).