| 摘要 |
A retractable side wing assembly mountable on a side of a road vehicle for clearing snow off the road, includes a scraper having a frontwar d end pivotally secured to the vehicle side and a rearward free end. A retracting member has a first end rotatably secured to a shock absorbing device mounted adjacent the scraper free end and a second end rotatably secured to the vehicle side rearwardly of the scraper. The shock absorbing device, that could also be retrofitted on an existing side wing assembly, allows for automatic rearward deflection of the scraper from a standard to a deflected position when it hi ts an obstacle. The assembly may also include a hydraulic ram for an operator to selectively deflect the scraper whenever required, and a resilient roller member freely rotatably mounted on the scraper free end to contact any lateral obstacle instead of the free end.
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