Patent ID: 7826107

Claim:
A scanning device comprising: a scanner body including a housing wall defining a space therein, said housing wall having a first opening, a second opening, a bottom surface adjacent to said second opening, and two slots formed in said bottom surface; a scanning unit including at least one light-emitting member disposed within said first opening, and at least one reflector disposed fixedly in said space for reflecting light beams emitted from said light-emitting member; a lens unit disposed in said scanner body for receiving reflected light beams from said reflector and operable to focus light beams into corresponding optical signals; a sensing unit including a circuit board attached to said scanner body for covering said second opening in said scanner body, and a sensor disposed on said circuit board for receiving said optical signals from said lens unit and outputting analog signals corresponding to said optical signals; and a fastening unit including two first fastening members disposed respectively within said slots in said scanner body, and two second fastening members connected to said circuit board and engaging respectively and threadably said fist fastening members so as to fasten said circuit board to said housing wall.