| 摘要 |
A wiper blade is provided which more evenly distributes contact pressures on a windshield glass in a central portion and opposite end portions of the rubber element, prevents flotation of the opposite end portions and ensures the cleaning quality. The wiper blade comprises a primary lever on which a clip is rotatably mounted and which has a predetermined length, the clip being fastened to a connector of a wiper arm in a motor vehicle; a first and second fastening means mounted to opposite ends of the primary lever, respectively; a butterfly spring which is mounted on the first fastening means at one side of a center of the butterfly spring and which is mounted on the second fastening means at other side of the center of the butterfly spring, said butterfly spring having a predetermined length to provide elasticity; and, a rubber element which is fastened to the butterfly spring and contacts at the lower end portion with a windshield glass in the motor vehicle.
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