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    • 14. 发明授权
    • Sledge or equivalent transporting base
    • 雪橇或等效运输基地
    • US4513982A
    • 1985-04-30
    • US445736
    • 1982-11-30
    • Pekka Niemela
    • Pekka Niemela
    • B62D63/06B62B13/06B62B17/06B62B13/00
    • B62B13/06
    • A sledge or equivalent transporting base, consisting of a frame (1) and of thereinunder mounted travelling members such as runners (2), with reference to which the frame is movable in the direction longitudinal to the sledge. To the runner (2) has been pivotally attached an arc-shaped rolling member (3) with the center-point of its radius at the pivotal point and which is free to roll along an opposed counterface (5) on the frame (1). With the aid of the invention, sledge runners which have frozen fast to snow or ice can be easily freed by first backing up so that the load rolls into its rear position, whereafter the sledge is started, whereby with the aid of the load's mass the runners are jerked free from frozen-on snow and ice.
    • 雪橇或等效输送基座由框架(1)和其中安装的行进构件(例如跑道(2))组成,参考该框架可沿纵向方向移动到雪橇上。 转轮(2)已经枢转地附接有其半径的中心点在枢转点处并且沿着框架(1)上的相对的相对面(5)自由地滚动的弧形滚动构件(3) 。 在本发明的帮助下,通过首先备用,可以容易地释放已经快速冻结成雪或冰的雪橇滑道,使得负载滚动到其后部位置,之后启动滑架,借此借助于负载的质量 赛跑者被冻结在冰雪上。