公开(公告)号：JPH07226270A

公开(公告)日：1995-08-22

申请号：JP30104394

申请日：1994-12-05

Applicant: IBM

Inventor： EDOUIN JIYOSEFU SERUKAA ,  UIRIAMU MAABUIN DAIYAA

IPC: H01R29/00 ,  H01R27/00 ,  H01R31/06

Abstract: PURPOSE: To use a power supply plug for an electric outlet having a different insertion opening by causing proper contact prongs among plural protruding contact prongs to automatically proceed into the selected adaptable insertion openings of the electric outlet, and causing the rest contact prongs to be pushed into a housing. CONSTITUTION: A general purpose power supply plug 10 is composed of a housing upper portion and a lower portion 12, 14, and the lower portion 14 is integrated with a power supply portion 16 connected to a cord 18, and is ranged with the upper portion 12 in a vertical direction. In the upper portion 12, respective pairs of contact prongs 20, 22, 24, which have multinational constitution, are arranged in parallel, and move in axis directions, extend forward, and wing-like protrusions 28 are protrudingly provided on both side faces. Accordingly, the plug 10 can be inserted into a plug socket equipped with slots for the protrusions 28, and the United States, United Kingdom constitution ground prongs 30, 32 extends forward, and can slide in the lower portion 14. Thereby, the proper prongs can be automatically inserted into the insertion openings of various kinds of electric outlets, the other prongs are pushed into the plug 10, and are locked so that connection is conducted.