Notebook computer top cover mounting hardware

A notebook computer top cover mounting hardware comprising:

• a mainframe, said mainframe having two opposite pin holes on two adjacent recesses on a top edge at one side thereof, said recesses being separated by a raised block, said raised block having wire holes for inserting electric wires;
• a top cover, said top cover comprising an opening at one side, two inward projecting blocks alinged at two opposite locations inside said opening, an intermediate hole on a peripheral edge inside said opening between said two inward projecting blocks;
• a movable support pivoted to said mainframe, said movable support being formed of two cover plates, and having two opposite pegs respectively revolvably inserted in said pin hole, and two opposite sliding ways for supporting said two inward projecting blocks;
• a movable connecting tube fixedly fastened in said intermediate hole of said top cover and secured to said movable support by a holding plate;
• wherein said holding plate comprises a tubular body extending from a flat base, said tubular body having a first annular groove and a second annular groove formed around an inner wall surface thereof at two opposite ends and connected by an elongated groove, said flat base being secured to said movable support;
• said movable connecting tube has one end fixedly fastened in said intermediate hole of said top cover and an opposite end attached with a side pin, said side pin being engaged in either annular groove;
• and
• wherein moving said side pin of said movable connecting tube from said first annular groove to said second annular groove permits said top cover to be rotated through 180.degree. angle for turning a display thereon to the outside.