Patent ID: 7911356

Claim:
A rain sensor for fastening on an inner side of a windscreen of a motor vehicle, comprising: a sensor; a housing part for housing the sensor such that the sensor element is arranged in the housing part; a mounting frame for attachment to the inner side of the windscreen and having an accommodation for said housing part; at least one fastening device for fastening the housing part on said mounting frame; said fastening device comprising; a lever pivotally mounted about an axis on the housing part, and a bracket that has a first end pivotally connected to said lever in eccentric relation to said axis and a second end formed as an engagement member for engagement with cooperating engagement members on said mounting frame, wherein: in a pre-mounted state the engagement members of the bracket and of the mounting frame are loosely engaged with each other while the lever is in a first pivotal position and, in a final mounted state, the lever is in a second pivotal position thereby moving away the first end of the bracket from the windscreen and tensioning said bracket so as to urge the housing part towards the windscreen.