MANHOLE COVER CONNECTING DEVICE FOR FIRMLY CONNECTING A MANHOLE COVER WITH A MANHOLE BODY AND EASILY DISCONNECTING A MANHOLE COVER FROM A MANHOLE BODY

摘要

PURPOSE: A manhole cover connecting device is provided to improve the external appearance of a manhole cover by removing a grip for a manhole cover, to firmly and conveniently connect the manhole cover with a manhole body, and to easily disconnect the manhole cover from the manhole body. CONSTITUTION: A manhole cover(10) is connected with a manhole body(2) by inserting a bolt(21) to a connecting groove(4) of the manhole body. The bolt is inserted by sliding on a bolt support with the repulsive force of a spring(27) supported on a spring fixing part(15). The manhole cover is disconnected from the manhole body by retracting the bolt. The bolt is retracted by pressurizing a thrust groove(23) with a fixing protrusion(33).