Patent ID: 7225709

Claim:
A connector for sockets, comprising: an elongate body ( 4 ) having an axial recess ( 40 ) defined in an end thereof and a guide hole ( 41 ) defined radially in the body ( 4 ) and being in communication with the axial recess ( 40 ), a radial hole ( 42 ) defined in the end of the body ( 4 ) and being in communication with the axial recess ( 40 ); a spring ( 7 ) received in the axial recess ( 40 ) and an axle ( 8 ) rotatably received in the axial recess ( 40 ), the spring ( 7 ) biased between a first end of the axle ( 8 ) and an inside of the axial recess ( 40 ), a guide portion ( 81 ) defined in a second end of the axle ( 8 ), a ball ( 9 ) movably engaged with the radial hole ( 42 ) and being operatively in contact with the guide portion ( 81 ), and a controller ( 5 ) rotatably mounted to the body ( 4 ) and a pin ( 6 ) extending through a hole ( 50 ) defined through a wall of the controller ( 5 ) and the guide hole ( 41 ) and being engaged with a receiving hole ( 80 ) in the axle ( 8 ), the pin ( 6 ) being movable in axial direction of the body ( 4 ).