2 Figure 1.4 shows the operating principle of the composite link. In the illustration the wiper arms have encountered snow/ ice accumulation (depicted by the hatched pattern) above the cowl screen that blocks the normal wiping pattern of the system. As a result, the wiper system loads have increased sufficiently to buckle the composite link (depicted by the arcuate member Fig. 1.1 A typical wiper system consists of wipers, motor, and a linkage, and wiper arms Fig. 1.2 Restricted wiping pattern due to snow accumulation Fig. 1.3 Fractured rocker arm resulting from snow accumulation Y. Dong et al.
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