| 摘要 |
1,207,876. Shovelling machines. CATERPILLAR TRACTOR CO. 22 July, 1968 [3 Aug., 1967], No. 34795/68. Heading E1F. In a shovel loader having pvotally mounted on jack-actuated, vertically swingable arms 18 a shovel provided with ejector means tilting of the shovel relative to the arms is controlled by extensible and retractable means, jacks 23, extending directly between the shovel and the chassis of the loader. |
