Flat wiper blade

Patent metadata

Field	Value
Publication number	US-10232826-B2
Application number	US-201715422530-A
Country	US
Kind code	B2
Filing date	Feb 2, 2017
Priority date	Jul 8, 2009
Publication date	Mar 19, 2019
Grant date	Mar 19, 2019

Abstract

Flat wiper blade for windscreen wiper modules, having a wiper blade body, which presents at least one wiping rubber ( 12 ) forming at least on e wiping lip ( 12.1 ), presents at least one spring rail ( 11 ) in addition to at least one retaining strip ( 10 ) on which the wiping rubber ( 12 ) is held and which (retaining strip ( 10 )) possesses at least one profile section designed as a hollow profile, in which at least a partial length of the spring rail ( 11 ) is accommodated, wherein at least one heating foil ( 19 ) is arranged over at least a partial length together with the at least one spring rail ( 11 ) in the profile section ( 10.1 ) of the retaining strip ( 10 ).

First claim

The invention claimed is:

1. A flat wiper blade for windscreen wiper modules, comprising:
a wiper blade body, which presents a wiping rubber forming a wiping lip;
a spring rail;
a retaining strip configured to retain the wiping rubber, wherein a partial length of the spring rail and a heating foil are received by the retaining strip,
wherein the heating foil is above both the spring rail and the wiper blade,
wherein, in a central area of the wiper blade, an electrical connection for the heating foil is provided,
wherein the electrical connection is covered by a wiper blade adapter,
wherein in the central area of the retaining strip, the retaining strip is laterally open on a profile section near the center of the retaining strip and adapted to expose the spring rail for attachment of the wiper blade adapter,
wherein the spring rail comprises sections projecting over the retaining strip, and
wherein at both ends, the wiper blade is closed by an end cap covering each section of the spring rail.

2. The flat wiper blade according to claim 1 , wherein a surface side of the heating foil is in contact with a surface side of the spring rail and/or is connected to the spring rail.

3. The flat wiper blade according to claim 1 , wherein the heating foil is received over its entire length by the retaining strip.

4. The flat wiper blade according to claim 1 , wherein a partial length of the heating foil is brought out in a central area of the wiper blade from the retaining strip or is provided running on the upper side of the retaining strip facing away from the wiping lip.

5. The flat wiper blade according to claim 1 , wherein the electrical connection is composed of two contact surfaces of the heating foil connected to conductors of a flexible lead covered by electrical insulation.

6. The flat wiper blade according to claim 1 , wherein the end cap is held in place by snapping onto the section of the spring rail.

7. A flat wiper blade for windscreen wiper modules, comprising:
a wiper blade body, which presents a wiping rubber forming a wiping lip;
a spring rail;
a retaining strip configured to retain the wiping rubber, wherein a partial length of the spring rail and a heating foil are received by the retaining strip,
wherein the heating foil is above both the spring rail and the wiper blade,
wherein the heating foil comprises an insulating layer bearing a heating conductor,
wherein the heating foil is a thin sheet and the heating conductor is located on the surface side of the insulating layer facing away from the spring rail,
wherein the spring rail comprises sections projecting over the retaining strip, and
wherein at both ends, the wiper blade is closed by an end cap covering each section of the spring rail.

8. The flat wiper blade according to claim 7 , wherein the insulating layer is in contact against the spring rail with a surface side facing away from the heating conductor or is connected to the spring rail over a partial length.

9. The flat wiper blade according to claim 7 , wherein the heating conductor is composed of a metallisation on the insulating layer comprising one of a structured metal foil or an electric heating filament.

10. A flat wiper blade for windscreen wiper modules, comprising:
a wiper blade body, which presents a wiping rubber forming a wiping lip;
a spring rail;
a retaining strip configured to retain the wiping rubber, wherein a partial length of the spring rail and a heating foil are received by the retaining strip,
wherein the heating foil is above both the spring rail and the wiper blade,
wherein, in a central area of the wiper blade, an electrical connection for the heating foil is provided,
wherein the electrical connection is covered by a wiper blade adapter,
in the central area of the retaining strip, the retaining strip is laterally open on a profile section near the center of the retaining strip and adapted to expose the spring rail for attachment of the wiper blade adapter,
wherein the spring rail comprises sections projecting over the retaining strip,
wherein at both ends, the wiper blade is closed by an end cap covering each section of the spring rail, and
wherein the retaining strip comprises notches on the hollow profile section accommodating the spring rail.

Assignees

• Valeo Systemes Dessuyage

Inventors

• Egner-Walter Bruno
• Schäuble Michael

Classifications

• B60S1/3881

  in additional element, e.g. spoiler · CPC title

• B60S1/381

  Spoilers mounted on the squeegee or on the vertebra · CPC title

• B60S1/482

  combined with the operation of windscreen wipers · CPC title

• B60S1/3849

  Connectors therefor; Connection to wiper arm; Attached to blade · CPC title

• B60S1/3862

  Transport of liquid there through · CPC title