US Patent 7946551 Adjustable ergonomic keyboard, mouse, and wrist support

A keyboard, mouse, and wrist support arrangement with a pivotable transverse member, first and second elongate rails in combination with slide rails for slidably receiving the first and second elongate rails for retaining the pivotable transverse member for extension and retraction and for pivoting about a lateral pivot axis, a keyboard support plate retained relative to the pivotable transverse member, and a keyboard wrist support retained relative to the keyboard support plate. A mouse support plate, which can be independently moveable in relation to the keyboard support plate, can be retained relative to the pivotable transverse member, and a mouse wrist support retained relative to the mouse support plate.