Wiper blade for cleaning a windscreen, in particular, a curved windscreen of a vehicle

US6742218B1 · kind B1 · utility

Assignee

• Valeo Auto-Electric Wischer und Motoren GmbH · DE

Inventors

• Bruno Egner-Walter · Heilbronn, DE
• Wilhelm Dorr · Bietigheim-Bissingen, DE

Key dates

• Filing date: Feb 26, 2002
• Grant date: Jun 1, 2004
• Expiry date: Jun 19, 2022

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60S2001/3813
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A wiper blade for cleaning a windscreen, in particular, a curved windscreen on a vehicle, has a frame with at least two claws to retain and guide a rubber-like wiper element, where the frame has at least one claw bow with a claw on at least one end of the bow and a pivot at a distance from the claw, where the claw has a contact surface at the claw base pressing on the upper side of the wiper element, where the surface is delimited in the longitudinal direction of the bow by an outer edge and an inner edge and has a maximum length and has claw fingers on the opposite longitudinal sides of the wiper element which capture the rear body forming part of the wiper element or engage longitudinal grooves in the side of the rear body and are delimited in the longitudinal direction by an outer edge and an inner edge, and the contact surface envisages that the claw fingers of at least one claw of the wiper blade are offset in relation to the contact surface in the longitudinal direction of the bow toward the pivot of the claw bow in such a way that the outer edges of the claw fingers are located within an area which extends from inclusive of half the maximum length of the contact surface as f…