| 摘要 |
A socket, such as IC socket, for an electrical part such as IC package comprises a socket body having a mount portion on which an electrical part having terminals is mounted, a plurality of contact pins arranged to the socket body and having an elastic property adapted to contact and separate from the terminals of the electrical part, and an upper operation member arranged for the socket body to be vertically movable in a mounted state and having substantially a rectangular frame shape. Each of the contact pins is formed with a movable contact piece contacting the terminal of the electrical part, and the movable contact pin is deformed by the vertical movement of the operation member so as to contact and separate from the terminal. At least one of the operation member and the socket body is provided with a deformation restriction means, and the deformation restriction means is adapted to abut against at least another one of the operation member and the socket body at a time when the operation member takes most lowered position and restrict inward or outward deformation of the operation member due to a replusive force of the contact pin.
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