McDermott Will & Emery LLP
Switch case and switch
A switch case includes a first metal plate, a dome shape metal plate, and a second metal plate. The first metal plate includes a first ring in which a plurality of first recesses are arranged along the first ring shape, and a second ring in which a plurality of second recesses are arranged along the second ring shape. The second metal plate includes a third ring in which a plurality of third recesses are arranged along the third ring shape, and a fourth ring in which a plurality of fourth recesses are arranged along the fourth ring shape. A direction along a line passing through a center of the first ring and a center of the second ring is different from a direction along a line passing through a center of the third ring and a center of the fourth ring.
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
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Masatsugu Naoki Daisuke
Takeuchi Sera Nakata