Patent ID: 8395889

Claim:
An electronic device comprising: a cooling unit comprising: a casing having a casing opening; a heat dissipating mechanism housed in the casing; a fan housed in the casing, the fan configured to generate an air flow that collides against the heat dissipating mechanism; and a chamber located in the casing and the chamber located between the fan and the heat dissipating mechanism, wherein the casing opening is directly above the chamber between the fan and the heat dissipating mechanism; and a movable cover comprising: an elastic sheet configured as an openable and closable cover to cover the casing opening, the movable cover being on an outside of the casing; and a knob located on the elastic sheet and protruding away from the casing, and wherein one end of the elastic sheet is fixed to an outside of the casing, another end of the elastic sheet is configured to be bent in a direction away from the casing to uncover the casing opening to provide access to the chamber located between the fan and the heat dissipating mechanism.