Computer, keyboard apparatus, and keyboard tilting mechanism

A keyboard apparatus having:

• a keyboard;
• a body for supporting said keyboard;
• recesses on a bottom side of said body;
• leg member means for supporting and tilting said body, and including:
• leg members being provided in said recesses, and shafts connected to said leg members and rotatably and slidably connected to the body to allow the shafts and leg members to rotate abut a central axis of said shaft and to slide along the direction of the axis of said shaft;
• spring means for biasing said leg members to rotate so as to open from said recesses and to slide in one direction along said shaft;
• engagement means for selectively engaging said leg members with said recesses in spite of the force caused by said spring means to rotate said leg members and for selectively releasing said engagement;
• and
• handling portion means for sliding said leg members along said shaft for releasing said engaging means, integral with an exposed surface of said leg members in said recesses.

A keyboard tilting mechanism having:

• body means for supporting a keyboard;
• recesses provided on the bottom side of said body;
• leg members for tilting said body, positioned in said recesses
• shafts fixed to said leg members and slidably and rotatably connected in the recesses for said shafts and leg members to rotate in and out of the recesses and to slide along the direction of an axis of said shaft;
• spring means to produce a spring force for biasing said leg members to rotate so as to open from said recesses and to slide in one direction along said shaft;
• engagement means for selectively engaging said leg members with said recesses and to hold the leg members within the recesses in spite of the force caused by said spring means to rotate said leg members and for selectively releasing said engagement;
• and
• handling portions for sliding the leg members along said shafts, in a direction opposite to the direction of the spring force in spite of the spring force for releasing said engagement, and positioned on an exposed surface of said leg members in said recesses.