Wiper blade for vehicle window wiper
US8443483B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2010 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Feb 13, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A wiper blade for use on a vehicle window comprises a blade hinge made of a hydrophobic, elastomeric material, a wiping lip and a blade body. The wiping lip has a tip that contacts the vehicle window, a wiping lip base adjoining the blade hinge, and a tapered portion extending between the tip and the wiping lip base. The wiping lip base is made of a hydrophobic, elastomeric material and a majority of the tapered portion is made of an elastomeric material that is not hydrophobic. The blade body includes a main body portion configured to secure a wiper arm thereto, and a base portion adjoining the main body portion and the blade hinge. The base portion is made of a hydrophobic, elastomeric material and the main body portion is made of an elastomeric material that is not hydrophobic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.