专利名称：BALLAST TAMPING MACHINE 发明人：JOSEF THEURER儿童喝酸奶好吗
苹果4如何越狱海子的现代诗申请号：AU1921088
好词好句大全申请日：19880719
幸福就在身边作文公开号：AU1921088A问卷调查主题
公开日：
公德与私德
19890127
专利内容由知识产权出版社提供
摘要：In a mobile machine for tamping ballast under ties of a railroad track, which compris a machine frame, spaced undercarriages supporting the machine frame for mobility on the railroad track in an operating direction, and a ballast tamping asmbly mounted on the machine frame and comprising a vertically adjustable tamping tool carrier, a drive for vertically adjusting the tamping tool carrier, pairs of vibratory and reciprocatory tamping tools immersible in the ballast upon vertical adjustment of the tamping tool carrier, and drives for vibrating and reciprocating the tamping tools, the invention provides a vertically adjustable device associated with the ballast tamping asmbly for gripping and transverly positioning a respective one of the ties, and a drive for vertically adjusting the device. A vertically adjustable ballast broom device preferably precedes the tamping tool asmbly for sweeping ballast off respective ones of the ties into an adjacent crib defined between successive ones of the ties.
申请人：FRANZ PLASSER BAHNBAUMASCHINEN INDUSTRIEGESELLSCHAFT M.B.H.医疗保障制度
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