Risk prevention device and a cover body used to that of the inspection opening

摘要

PROBLEM TO BE SOLVED: To provide a danger preventing device for an inspection port which can be simply fitted at a low cost and be fitted to an existing inspection port while preventing danger.;SOLUTION: A danger preventing device for an inspection port includes: an inspection port 12 fitted with a lid body 26 opening and closing an opening by an opening and closing device 34 including a lock part 30 having a hinge part 28 and a receiving piece 32 provided on opposite positions outside of a raised wall on the raised wall 22 projected from a device body 120 like a short cylinder and formed to surround the inside of the opening 24 communicating with the interior S of the device body; a cover body 14 placed at the peripheral upper end of the raised wall to close the opening 24 of the raised wall 22 and having a part 18 to be held sandwiched between the lid body and the upper end of the raised wall when the lid body is closed and a see-through part 20 which allows the interior of the device body to be seen from the outside in the state of closing the opening 24; and cover body fixing means 16 for fixing the cover body to the raised wall in cooperation with the opening and closing device 34 located outside of the raised wall 22.;COPYRIGHT: (C)2014,JPO&INPIT