SUPPORT FRAME FOR MANHOLE COVER

摘要

PROBLEM TO BE SOLVED: To provide a support frame for a manhole cover installed on a road surface capable of eliminating the possibility of damage and facilitating a repair work in the case of the occurrence of an damage. SOLUTION: This support frame for manhole cover comprises a frame body 1 buried generally flush with the road surface and a flange body 3 detachably installed on an outer peripheral wall at the upper end of the frame body. The upper surface of the flange body is formed on an arc surface lowering in the form of a smooth curve from the infer peripheral side of the frame body generally flush with the upper surface of the frame body to the outer peripheral side, and the outer peripheral lower end of the arc surface is buried by 10 to 40 mm from the road surface.