Wiper blade device for vehicle, has elastic rail comprising two differing recess portions, which are provided to generate clamping force profile, where recess portions comprise two different variations

摘要

The device (10a) has an elastic rail comprising two differing recess portions (22a, 24a, 26a), which are provided to generate a clamping force profile. The recess portions comprise two different variations (30a). The recess portions comprise recesses with two different depths and two different widths (40a, 42a). The recess portions are carried out along a large side of the elastic rail and provided on a large opposite side of the elastic rail. A wiping blade comprises an assembling cavity by which the wiping blade is fixed in the elastic rail.