Meidensha Corporation

Shoji Hara

Tetsuji Suzuki

Masako Umebachi

Electronic component unit () is received in inside of housing () prepared by joining base () and cover (). Sealing groove () for sealing material () is formed on joining surface () of base (). Protruding rib () fittable into seal groove () is formed on joining surface () of cover (). Furthermore, spring hook portion () is provided to be positioned outside of the joining surfaces () on an outer peripheral side of housing (). Spring hook portion () is structured to include flexible portion () that extends to span between outer peripheral surfaces of base () and cover () and that is formed into a beam supported at only one end thereof on the outer peripheral surface of cover (), and engaging portion () that is formed on a tip end side of flexible portion () and is engaged with the outer peripheral surface of base ().

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Nagoya, Japan

Shoji Hara