Patent ID: 6802101
Filing Date: 2004-10-12
Classification: B60S

Abstract:
In a wiper device of the type for glass for a vehicle window, the wiper device having a driveable wiper arm, a wiper blade configured as a flat wiper blade disposed on the wiper arm, where the wiper blade includes a wiper rubber with a receiver for a support element and the support element located in the receiver configured in an unbiased state as a pressure-distributing flexible spline having a concave curvature in proportion to the glass to be wiped, with a wiper lip disposed on the wiper rubber abutting the glass to be wiped and with load-alleviating means which relieve the load on the wiper lip in a parked position of the wiper device and lift the wiper lip from the glass to be wiped, where the load-alleviating means include at least two ramps on one of the glass and in the area around the glass, the improvement comprising that the load-alleviating means further include at least two cams disposed on the flexible spline of the flat wiper blade at a distance from each other and which ride up on the ramps to relieve the load on the wiper lip.