Wiper blade
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United States of America Patent
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-
May 8, 2018
Issued Date -
N/A
app pub date -
Nov 28, 2012
filing date -
Dec 2, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A wiper blade includes a blade rubber and a rubber holder. In the rubber holder, a water channel through which a washing liquid flows along a longitudinal direction is provided. In the rubber holder, an injection port that communicates with the water channel and is configured to be opened by water pressure and inject the washing liquid is provided. The injection port is formed into a slit shape, and a plurality of injection ports are provided in the longitudinal direction. A width of the injection ports varies along the longitudinal direction, and the injection port closer to an outer end side has a larger slit width. A larger amount of the washing liquid is injected from the injection port having a larger slit width, and the injection amount of the washing liquid becomes larger toward the outer end side at which more washing liquid is required.
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