Pushing apparatus, and methods of constructing and utilizing same
    3.
    发明授权
    Pushing apparatus, and methods of constructing and utilizing same 失效
    推动装置及其构造和利用方法

    公开(公告)号:US4709492A

    公开(公告)日:1987-12-01

    申请号:US884001

    申请日:1986-07-10

    申请人: Gordon Watson

    发明人: Gordon Watson

    摘要: A device for back scraping snow, earth, or other like substances which generally includes a truck having a concave snowplow blade mounted on its front. The blade has shoes provided on its backside, wedge shaped hinged connections mounted on the shoes, and a flat blade mounted pivotably on said wedge brackets. When the flat blade is brought in contact with snow to be scraped and the snowplow blade is moved in a backwardly direction, the snow to be scraped is moved by the flat blade.

    摘要翻译: 用于后刮刮雪,土或其他类似物质的装置,其通常包括安装在其前面的具有凹面积雪刮刀的卡车。 刀片具有设置在其后侧的鞋,安装在鞋上的楔形铰接连接件和可枢转地安装在所述楔形支架上的平坦刀片。 当扁平叶片与被刮的雪接触并且刮风刮刀沿向后的方向移动时,被刮削的雪被平的叶片移动。