MANHOLE COVER HEIGHT CONTROLLING DEVICE AND A METHOD FOR REPAIRING A MANHOLE, WHICH CONVENIENTLY PERFORM HEIGHT ADJUSTMENT WORK

摘要

PURPOSE: A manhole cover height controlling device and a method for repairing a manhole are provided to conveniently perform height adjustment work.;CONSTITUTION: A manhole cover height controlling device comprises a support bar(10), an adjusting bolt(20), a support rod(30) and a manhole cover latch(40). A plurality of supporting bars(14) is located in the radial direction of a supporting frame(12). The top part of the adjusting bolt is exposed to the upper side of the supporting bar. A helical axis is accepted to the inside of the supporting bar. A jaw(36) is located on the bottom part of support rod.;COPYRIGHT KIPO 2011