PGA socket

摘要

An eccentric member 5 having a first shaft portion 51 provided with a concavity 51a and an eccentric portion 52 having a medial axis different from a medial axis of the first shaft portion 51 and formed continuously at one end of the first shaft portion 51 is used. The concavity 51a has a concavity with a boundary line dividing the concavity 51a into a rectangular shape on a surface of the first shaft portion 51. A tip portion of a flat blade screwdriver is fitted in the concavity 51a and the flat blade screwdriver is rotated to slide the cover housing 3 over the base housing 2.