Patent ID: 7353053
Filing Date: 2008-04-01
Classification: G06F,H04M

Abstract:
1. A handheld electronic device comprising: a body unit having a keyboard; a display unit comprising a displaying facing away from said keyboard, wherein said display unit is slidably coupled to said body unit at a first sliding joint and at a second sliding joint, wherein said display unit can be moved between a first position exposing said keyboard and a second position covering part or all of said keyboard; and a mechanical linkage coupled to said first and second sliding joints, wherein said linkage constrains motion at said first and second sliding joints to be substantially equal, and wherein said linkage comprises: an axle connected to said first and second gears, wherein said axle and said first and second gears are capable of rotation as a unit about an axis of said axle, wherein said axle is disposed in a recess within said body unit such that motion of said axle other than said rotation is substantially inhibited.