Patent ID: 6528932
Filing Date: 2003-03-04
Classification: H01J,H01R

Abstract:
A CRT socket comprising:an insulating housing; said insulating housing including a ring-shaped portion; a base insertion hole in said ring-shaped portion; a plurality of signal contact storing chambers; said plurality of signal contact storing chambers are concavely arranged from a rear on an outside circular circumference of said base insertion hole; a cover portion; said cover portion including a focus contact storing chamber on the same circular circumference as said signal contact storing chambers; said cover portion including a projecting portion concavely having said focus contact storing chamber from said rear to a portion having no ring-shaped portion; a base portion covering a rear face of said cover portion; said cover portion and said base portion are integrally formed with each other by molding said ring-shaped portion integrally with one of said cover portion and said base portion, and engaging the other of said cover portion and said base portion with the other thereof; a signal contact in each signal contact storing chamber; a focus contact in said focus contact storing chamber; at least one pin insertion hole communicating with each said signal contact storing chamber and each said focus contact storing chamber from a front of respective said ring-shaped portion and said projecting portion; a signal pin and a focus pin of a cathode ray tube arranged on an outside circular circumference of a base are respectively electrically connectable to respective said signal contact and said focus contact; said focus contact is constructed from a band of conductive metal; an intermediate portion of said band is bent at an acute angle; a bent basic end side is a supporting portion; a bent tip side of said band is a leaf spring contact portion; said supporting portion rises and is supported along an inner wall face of said focus contact storing chamber facing toward said base insertion hole; said leaf spring contact portion faces said pin insertion hole; an outside face of said projecting portion is covered with a partition wall rising on said front from said base portion, wherein said projecting portion and said partition wall forming a rear face side wall of said focus contact storing chamber, said projecting portion and said partition wall positioned between said focus contact and said signal contact and partitioning said focus contact storing chamber and said base insertion hole; and said projecting portion and said partition wall insulating said focus contact storing chamber chamber.