Patent ID: 7135954

Claim:
An electric coupling device comprising: a housing including a socket opening formed in a front portion of said housing, and including a rear wall for defining said socket opening of said housing, and including a chamber formed in a rear portion of said housing, and including two side walls for defining said chamber of said housing, and including an aperture formed in said front portion of said housing, a first prong and a second prong disposed in said socket opening of said housing, said first and said second prongs each including a free end extended out through said rear wall of said housing, said first and said second prongs being disposed side by side and parallel to each other for coupling to electric plugs, a first conductor terminal disposed outside said housing and electrically coupled to said free end of said first prong, a second conductor terminal disposed in said chamber of said housing, a conductor coupling member disposed outside said housing and electrically coupling to said free end of said second prong, and including a bent segment extended into said chamber of said housing, a circuit breaker including a conductor blade made of memorized material and having a first end electrically coupled to said second conductor terminal and having a second end located adjacent to said bent segment of said conductor coupling member for electrically contacting with or separated from said bent segment of said conductor coupling member to switch on an electric circuit between said second conductor terminal and said conductor coupling member, and for selectively terminating or switching off the electric circuit between said second conductor terminal and said conductor coupling member when overheated or overloaded, and a reset knob slidably engaged through said aperture of said housing and including an inner portion having an actuator for selectively switching on the electric circuit between said second conductor terminal and said conductor coupling member after said conductor blade of said circuit breaker has switched off the electric circuit between said second conductor terminal and said conductor coupling member.