Patent ID: 7249976
Filing Date: 2007-07-31
Classification: H01R

Abstract:
1. A combination electrical plug, receptacle and switch comprising: a plug portion having first and second ends and a longitudinal axis extending through said plug portion, a first end wall disposed at said first end, said first end having an outer surface and an inner surface, a cylindrical side wall extending between said first and second ends, said cylindrical side wall having an outer circumference and an inner circumference, a pair of blades and a ground pin extending through said first end wall and forming electrical contacts on said inner surface of said first end wall, and a nib disposed on said inner circumference at said first end; and a receptacle portion rotatably and slidably inserted in said plug portion, said receptacle portion having first and second ends, a longitudinal axis extending through said receptacle portion, a first end wall disposed at said first end, said first end wall having a plurality of openings, a cylindrical side wall extending between said first and second ends, said cylindrical side wall having an outer circumference and an inner circumference, said outer circumference configured to be smaller than said inner circumference of the plug portion, an inner support ring disposed on said inner circumference, a contact plate and electrical contacts attached to said inner support ring, a second end wall disposed at said second end of said receptacle portion, and a cutaway portion in said cylindrical side wall at said second end forming a sliding surface and pair of end stops, whereby, when said receptacle portion is inserted in said plug portion, said nib contacts said sliding surface and, whereby, a twist switch is formed when said receptacle portion is rotated so that the nib slides along said sliding surface between the end stops and said electrical contacts in the receptacle portion and the plug portion can be made to contact to complete an electrical circuit when the nib is at one end stop forming an on position, or to break contact between the electrical contacts when the nib is at the other end stop, forming an off position.