Wiper blade and a method of manufacturing a wiper blade
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United States of America Patent
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Nov 2, 1999
Grant Date -
N/A
app pub date -
Jul 6, 1998
filing date -
Sep 11, 1995
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A wiper blade includes a metal carrier, a metal yoke, and a plastic joint part. The metal yoke is attached to the metal carrier in a way the permits the yoke to pivot about a pivot axis. The joint part is interposed between the metal carrier and the metal yoke, and is stationary with respect to the carrier. Both the carrier and the yoke have a substantially U-shaped cross-section at the location at which the joint part is interposed between them, and the yoke is positioned substantially within said carrier. At least one leg of the U-shaped cross-section of the yoke includes a protrusion formed as part of the yoke at the location of the pivot axis. The protrusion pivotally engages in the joint part. The carrier has at least one hole provided coaxially with the pivot axis. A cylindrical portion of the joint part is provided through the hole, and the protrusion of the yoke extends into the cylindrical portion. A method of manufacturing a wiper blade is also disclosed.
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