Patent ID: 9696766
Date: 2017-07-04
CPC Classifications: E05Y,G06F

Claim:
1. A double-jointed hinge used in connecting a keyboard and a computer including a dual hinge part, first and second rotary parts and at least one conductor assembly wherein said computer includes a first part and said keyboard includes a second part, said dual hinge part includes a pair of cylindrical holes that receives cylindrical columns and shares said first cylindrical column with a cylindrical hole in said first part of said computer, and shares said second cylindrical column with a cylindrical hole in said second part of said keyboard, said first rotary part includes a square hole that partially receives a square column and shares said square column with a square hole in said first part of said computer, said second rotary part includes a square hole that receives a square column and shares said square column with a square hole in said second part of said keyboard, said conductor assembly includes first non-rotatable metal ring to which first quarter-part is affixed, and second non-rotatable metal ring to which second quarter-part is affixed, said first non-rotatable metal ring is connected to said second non-rotatable metal ring by a conductor, said conductor assembly includes first rotatable metal ring to which first rotatable quarter-part is affixed, and second metal ring to which second rotatable quarter-part is affixed, said first rotatable metal ring includes a conductor connecting to said first part of said computer, and said second rotatable metal ring includes a conductor connecting to said second part of said keyboard, said dual hinge part includes first and second cylindrical shafts, said first rotary part includes a cylindrical hole, said second rotary part includes a cylindrical hole, said first cylindrical shaft is received by said first non-rotatable metal ring and said first rotatable metal ring of said conductor assembly, and said cylindrical hole of said first rotary part, and said second cylindrical shaft is received by said second non-rotatable metal ring and said second rotatable metal ring of said conductor assembly, and said cylindrical hole of said second rotary part.