Intermediate electrical connector

1. An intermediate electrical connector to be connected to a mating connecting member, comprising:

an intermediate connecting member;

a blade disposed in the intermediate connecting member; and

a supporting member for supporting the intermediate connecting member,

wherein said intermediate connecting member includes a supported portion disposed on a side surface portion thereof and supported on the supporting member,

said supporting member is formed of a plate member facing the side surface portion of the intermediate connecting member, and

said supporting member includes a supporting portion accommodated in the supported portion or receiving the supported portion with a space in between.

2. The intermediate electrical connector according to claim 1 , wherein said intermediate connecting member further includes a blade holding member for holding the blade,

said supporting portion further includes an upper supporting portion and a lower supporting portion, and

said supported portion includes an upper supported portion supported on the upper supporting portion and a lower supported portion supported on the lower supporting portion.

3. The intermediate electrical connector according to claim 1 , wherein said intermediate connecting member further includes a protruding portion protruding outwardly so that protruding portion pushes the supporting member against the supported portion.

4. The intermediate electrical connector according to claim 1 , wherein said supported portion is formed to protrude outwardly,

said supporting member further includes a groove portion portion formed in a slit shape and a supporting protruding portion disposed in the groove portion portion.

5. The intermediate electrical connector according to claim 1 , further comprising a ground plate attached to the board,

wherein said supported portion is disposed on the ground plate.

6. The intermediate electrical connector according to claim 1 , wherein said supporting member further includes an upper supporting member and a lower supporting member to be movable relative to the upper supporting member, and

said supporting portion is disposed on each of the upper supporting member and the lower supporting member.

7. The intermediate electrical connector according to claim 4 , wherein said upper supporting member and said lower supporting member are arranged so that edge portions thereof fit together,

one of said upper supporting member and said lower supporting member includes a regulating recessed portion, and

the other of said upper supporting member and said lower supporting member includes a regulating protruding portion fitting into the regulating recess portion so that an outer edge portion of the regulating protruding portion abuts against an inner edge portion of the regulating recessed portion.

8. The intermediate electrical connector according to claim 7 , wherein said supporting member is formed of a metal plate having a flat surface,

said upper supporting member is formed in a shape similar to that of the lower supporting member, and

said regulating recessed portion and said regulating protruding portion are arranged in a repeated pattern.