PURPOSE: To acquire a housing, while reducing the assembling manpower, whose hermetic seal is assured by containing a printed board in a case which is closed by making opening surfaces of plastic boxes mutually and by fixing both half bodies by at least one screw which passes therethrough.
CONSTITUTION: A printed board 3 is contained in a hermetically sealed space which consists of a first half body 1 consisting of a rectangular ceiling wall and an outer peripheral wall and a second half body 2 which consists of a rectangular ceiling wall and an outer peripheral wall of a specified height of a peripheral edge. A female stud 6 having a relief hole 6a at a specified height is projectingly provided to four corners of an inner surface of the ceiling wall of the first half body 1, and a male stud 4 having a wear washer 4a of a large diameter of a specified height, a pin part 4b of a small diameter and a cut-out 4c is projectingly provided to a position corresponding to the female stud 6 in an inner surface of a ceiling wall of the second half body 2. An end of the pin part 4b is formed to a rising part. Therefore, during fitting, mutual positions are locked to prevent a substrate 3 from returning to its original state and removing after the pin part 4b passes through an attaching hole 9, thereby forming a cage body with a closed space.
OKAWACHI MITSUO
HAYASHI HISAO
IKEGUCHI SATOSHI
NIPPON TELEGRAPH & TELEPHONE