Electrical connectors – Convertible by internal change to selectively cooperate with... – Coupling part
Reexamination Certificate
2008-12-08
2010-02-02
Hammond, Briggitte R (Department: 2833)
Electrical connectors
Convertible by internal change to selectively cooperate with...
Coupling part
Reexamination Certificate
active
07654838
ABSTRACT:
The present invention publishes a universal conversion power cable, comprising a plug subassembly built by the clamping of a plug socket equipped with conductive components on the inside and a replaceable plug, wherein a power cord connected correspondingly to the conductive components, a plug-in slot which is closed on one end and open on the other end is configured on the surface of the plug socket. The replaceable plug is plugged into that plug-in slot, while the front side of the replaceable plug is just adjacent to the closed-end wall surface of the plug-in slot, the power cord is connected to the open-end of the plug-in slot on the plug socket. The present invention connects the power cord to the open-end of the plug-in slot on the plug socket. When this power connecting device is inserted into the power socket, careless dragging of the power cord or removing the device along the downward direction of the power cord with improper force makes the plug socket and the replaceable plug resist to each other even more tightly, making it impossible to pull off the plug socket separately, effectively solving the defect of the existing technology, significantly improving the safety performance and completely meeting the safety standard of the electric appliance in western countries.
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patent: 7223126 (2007-05-01), Ng
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