| 摘要 |
PROBLEM TO BE SOLVED: To minimize the warp or bend of a sub base board by shortening the distance between the upper and lower contacts of a contact terminal in the fitting completion state of the sub base board. SOLUTION: After the insertion of a sub base board starts, when an upper contact 441 is pushed toward the rear wall by the rotation to the rear, a floating support 443B is elastically made to deviate within a space part 226A by using a first fixing part 446 as the fulcrum. The upper contact 441 is moved slightly to the rear and upper part, and a lower contact 444 is moved to the relatively large and high position on the inside of an opening 225. By designing the shape of a contact terminal 400, the distance between the upper and lower contacts 441, 444 after the connection fitting of the sub base board 30 is made shorter than that before connection fitting. The angular moment by the contact force applied to the sub base board 30 with both contacts in the connection fitting state is made relatively small, and the warp or bend of the board is minimized.
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