DRIVE DEVICE FOR A WIPER ARM OF A WINDSCREEN WIPER UNIT.

摘要

The invention relates to a drive device for a wiper arm of a windscreen wiper unit, comprising a cross-link gear (1) in a drivetrain between the wiper arm (6) and a windscreen wiper motor. The cross-link gear (1) comprises at least two crossed links (3, 4), both jointed at one end to a crank (5), supporting the wiper arm (6) and one of which is pivotably mounted at the other end to a bearing element (11) on the vehicle and the other is fixed at the other end thereof to a reversible driven shaft (9).