Patent ID: 7380312

Claim:
A cover restricting mechanism for a foldable electronic device, the foldable electronic device including a cover and a housing, the cover restricting mechanism comprising: a barrel portion configured to be formed on the cover of the portable electronic device, the barrel portion having a blocking element formed thereon; and a cushion means comprising: a sleeve configured for securing with the housing of the portable electronic device, the sleeve having an extending portion formed thereon and a groove defined in an outer wall thereof, the extending portion configured for restricting movement of the blocking element, the groove defining a recessed surface therein; and an elastic element secured in the groove of the sleeve, the elastic element having a main portion and an end, the main portion having a shape corresponding to the shape of the recessed surface of the groove, the main portion being received in the groove against the recessed surface, the end of the elastic element protruding out from the extending portion of the sleeve so as to abut the blocking element when the blocking element moves toward the extending portion.