| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an outer frame fixing device of an inspection door which dispenses with mounting a receiving crosspiece requiring laborious operation, can firmly mount an outer frame to a floor opening end, and enables anybody to easily, quickly, and accurately perform mounting work by a single operation without requiring skill or expertise therefor. <P>SOLUTION: An outer frame fixing device of an inspection door includes: an outer frame 3 provided with a mounting engagement receiving part 34 on outer surfaces of rising walls 31A, 31B which face each other; an engaging part 12, which engages with the mounting engagement receiving part 34, provided on an upper part of a fixing plate 11 arranged on one rising wall 31A and bringing its inner surface into contact with the outer surface of the rising wall 31A; fixing means provided with a piercing part 14, which protrudes in an outside direction, at an appropriate part of the fixing plate 11; an engaging part 22, which engages with the mounting engagement receiving part 34, provided on an upper part of a fixing plate 21 arranged on other rising wall 31B and bringing its inner surface into contact with the outer surface of the rising wall 31B; and pressurizing means 2 provided with an upward tilted tension spring plate 24, which protrudes in the outside direction, at a lower part of the fixing plate 21. <P>COPYRIGHT: (C)2013,JPO&INPIT |
