Importance

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Abstract

A first contact member comprises a liquid conductor which comes into contact with a second contact member so as to establish the electric connection between the two contact members. A container contains the first contact member therein. The second contact member is pin-shaped. The container is tube-shaped and has a containing portion, which is filled with the liquid conductor, and has an opening through which the second contact member is inserted. An area contraction portion for contracting the cross sectional area of the container is formed at a position between the containing portion and the opening. The container is installed in a through hole provided in a base member. The container includes a pipe member of an electric conductor which comes into direct contact with the liquid conductor and a plug member to be inserted into the hole, before the pipe member is inserted, for preventing the liquid conductor from escaping from the container. The container is formed of elastic material. The portion of the container near to the opening is split into segments and portions of the segments are positioned away from each other as the portions are near to the opening so that the outer diameter of the segments is larger than the inner diameter of the hole before the container is installed into the hole, the segments approaching each other as the container is being inserted into the hole against the elastic force of the segments.

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First Claim