Tool device for e.g. tunnel excavator, has first tool adjusted in first position when second tool is adjusted in second position, where first tool is positioned in second position when second tool is positioned in first position

摘要

The device (50) has tools e.g. hammer (60) and shovel element (70), adjusted in a set of positions using an adjusting unit, where the tools and the adjusting unit are connected with each other. First tool is adjusted in the first position when second tool is adjusted in the second position. The first tool is positioned in the second position when the second tool is positioned in the first position. The first tool is retracted and/or extended from the first position to the second position and/or the second tool is reversibly pivoted from the first position to the second position.