Mounting device with people hole concrete lid and cast iron steel lid for receiving frame

摘要

(57) Abstract Objective In receiving frame of man hole cast iron iron manufacture cover, the said man hole cast iron iron manufacture coverThe hinge receiving part which the hinge Inlaying entrance is done sudden facilities state as it is doneSo it fits the man hole concrete cover and the lid in order for it to be possible, it constitutesru. Constitution Hinge receiving part 3 sudden facilities is done as one unit, facing toward the inside direction protrudingIn receiving frame it fits 1 of the cast iron iron manufacture cover which provides section 2a and the said receiving frame 1It is done, 1st base 12 of man hole concrete cover 10 and 2ndThe notch of the escaping of hinge receiving part 3 of the receiving frame 1 which was formed in base 13To consist of with the man hole concrete cover 10 which formed 14, castReceiving frame 1 of iron-made iron cover without necessarily processing man hole konIn order to apply to the receiving frame of the cleat cover, being something which is constituted aru.