Patent ID: 9128278
Filing Date: 2015-09-08
Classification: B08B,G02B

Abstract:
1. A dust cleaning device comprising: a tray defining a plurality of recesses each for receiving a lens barrel, a bottom of each of the recesses defining a through hole for communicating with the lens barrel; a cover comprising a main body and an inlet tube, the main body comprising a top wall, a bottom wall opposite to the top wall, sidewalls interconnected between the top wall and the bottom wall, a plurality of guide passages between the top wall and the bottom wall, an inlet passage between the guide passages and the top wall, and a plurality of outlet passages between the guide passages and the bottom wall, the inlet tube perpendicularly extending from the top wall, the guide passages criss-crossing and communicating with each other, the sidewalls shielding the guide passages, one end of the inlet passage communicating with the inlet tube, and the other end of the inlet passage communicating with one of the guide passages, one end of each of the outlet passages communicating with one of the guide passages, and the other end of each of the outlet passages exposed at the bottom wall, the cover attached on the tray, the outlet passages aligned with the respective recesses; and an air nozzle mountably received in the inlet tube.