Patent ID: 6330144
Filing Date: 2001-12-11
Classification: H01R

Abstract:
A multi-voltage multi-pole safety electric adapter comprising:a socket unit, said socket unit comprising a face panel, said face panel comprising a first set of plug holes for receiving a low voltage plug and a second set of plug holes for receiving a high voltage plug, a low voltage metal bracket and a high voltage metal bracket respectively mounted on the inside corresponding to said first set of plug holes and said second set of plug holes, a first set of metal contacts and a second set of metal contacts respectively disposed at a back side wall thereof and connected to said low voltage metal bracket and said high voltage metal bracket for low voltage power input and high voltage power input respectively;a low voltage plug unit and a high voltage plug unit alternatively fastened to the back side wall of said socket unit for receiving a low voltage power supply from or high voltage power supply from an electric outlet, said low voltage plug unit comprising a set of metal contacts corresponding to the first set of metal contacts at said socket unit, said high voltage plug unit comprising a set of metal contacts corresponding to the second set of metal contacts at said socket unit;a transformer installed in said socket unit and connected between the first set of metal contacts and second set of metal contacts of said socket unit and the low voltage metal bracket and high voltage metal bracket of said socket unit for converting low voltage input power supply or high voltage input power supply into the desired power level; anda circuit breaker connected between said transformer and said low voltage metal bracket and high voltage metal bracket.