Patent ID: 6743056
Filing Date: 2004-06-01
Classification: H01R

Abstract:
A socket apparatus for supplying a power source, comprising:a cylindrical adapter having a front face and an outer peripheral face, including; a guide portion, provided on the outer peripheral face; a first contact portion, provided on the front face; and a second contact portion, provided on the outer peripheral face, and socket body having a cylindrical insertion hole into which the adapter is inserted, including; a first guide groove for guiding the guide portion, provided on an inner peripheral face of the insertion hole; a third contact portion, provided on a bottom face of the insertion hole, and electrically connected to the first contact portion when the adapter is inserted into the insertion hole; a fourth contact portion, provided on the inner peripheral face, and capable of being electrically connected to the second contact portion; and a second guide groove, provided on the inner peripheral face so that the adapter pivots while the guide portion engages the second guide groove; a fifth contact portion, provided on at least one of the inner peripheral face of the insertion hole and the outer peripheral face of the cylindrical adapter so as to contact at least one of the second contact portion and the fourth contact portion, and the electrical conductivity of the fifth contact portion is lower than that of the contacted at least one of the second contact portion and the fourth contact portion, and wherein the fifth contact portion is disposed on an upstream side with respect to a rotation path of the second contact portion of the adapter.