Invention Grant
US07222387B2 Windshield wiper system having tubular member 有权
具有管状构件的挡风玻璃刮水器系统

Windshield wiper system having tubular member
Abstract:
This invention relates to windshield wiper system and method which utilizes a flexible drive arm for withstanding bending loads applied to a wiper. The drive arm may be made of a pull-molded composite material having a relatively low modulus of elasticity and a relatively high elongation factor. The flexible arm twists in the presence a bending load and undergoes rapidly progressing elastic buckling when the bending load exceeds a predetermined amount.
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