Patent ID: 7506402
Filing Date: 2009-03-24
Classification: B60S

Abstract:
1. A disengageable arrangement for connecting a windscreen-wiper arm to a drive shaft driven in rotation about its longitudinal axis, comprising a device solidly attached to the arm and providing the connection of the arm and the drive shaft in the normal operating position of the windscreen wiper, the device being deformable under an effect of a torque applied to the arm greater than that exerted by said drive shaft, and capable of being placed back in the normal operating position by locked relative positioning of the arm and the drive shaft, wherein there is a single locked relative position of the arm and the drive shaft, and wherein said deformable device comprises at least two stacked elastic blades, the ends of each stacked elastic blade are solidly attached to the arm, and each of the at least two stacked elastic blades comprises a locking part inserted in a stopping part solidly attached to the drive shaft.