| 摘要 |
PROBLEM TO BE SOLVED: To provide a housing structure for mating a cover and a chassis with each other via a packing which is miniaturized and reduced in weight and which has high sealing property.SOLUTION: A rib 1a is provided on the inside surface of a cover 1. A projection 2a is provided on the edge of a chassis 2 in opposition to the rib 1a. A groove 2b for housing a packing 3 is provided on the outer periphery surface of the chassis 2. The cover 1 and the chassis 2 are mated with each other by inserting the projection 2a into the rib 1a and covering the groove 2b and the packing 3 with the cover 1 from the outside. |
