WIPER FOR CLEANING AN EXPOSED SURFACE OF AN OPTICAL ELEMENT

摘要

There is disclosed apparatus (10) for cleaning an exposed surface (11) of an optical element (12), such as the exposed optical surface of a wide angle lens installed on a vehicle. The apparatus includes a collar (30) arranged to be disposed circumferentially around, and to rotate around, an axis (16) of the optical element which the apparatus is arranged to clean, and a wiper arm (20) coupled to the collar so as to rotationally clean the exposed surface as the collar rotates.