Arbeitseinrichtung fuer einen Bagger

摘要

1,053,809. Bucket excavator. F. SCHWING. April 29, 1964 [May 2, 1963], No. 17686/64. Heading E1F. Pivotally mounted on the free end of a vehicle-mount vertically swingable boom for movement as required by a jack relative to the boom is a link that forms one side of a jackadjustable, parallelogram linkage and an extension of a second link disposed in the linkage opposite the first link forms one side of a second parallelogram linkage carrying a bucket. The two linkages are so interconnected, preferably by crossed over chains, that upward swinging of the first linkage by its associated jack about the pivotal connections between the first link and the rest of the linkage causes a corresponding downward swinging of the second linkage so that the bucket is compulsorily caused to travel in a straight line.