Patent ID: 7689257

Claim:
A portable electronic device comprising: a first housing assembly; a second housing assembly comprising at least a keyboard, the keyboard comprising at least a first set of keys and at least one second key, the keys comprising the first set and the at least one second key each having touch surfaces configured to receive keystrokes, the touch surfaces of the first set of keys extending above the touch surface of the at least one second key; a connection mechanism connecting the first housing assembly with the second housing assembly, the connection mechanism configured to permit relative movement between the first and second housing assemblies from at least an open position to a closed position; and wherein when the portable electronic device is in at least the closed position, the touch surfaces of the first set of keys and the at least one second key in combination with the first and second housing assemblies are configured to hinder movement of at least one of the first or second housing assemblies when an external force is applied to the portable electronic device.