Importance

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Abstract

An arrangement for fixing a work piece (14) to an end of a boom (1) in a working machine, like an excavator, in which arrangement the end of the boom comprises at least a tilting device (13) for the work piece (14), the moveable body of said device can be limitedly tilted in relation to the end of the boom (1) and to the moveable body of said device the work piece (14) is fixed either directly or by fitting a device (10), (11) of an other type as a distance piece, said device adjusting position of the work piece (14). An auxiliary body (9) is mounted between the pins (5), (6) of the articulation points locating in the ends of the tilting device (13) and the boom (1), to said auxiliary body the tilting device (13) is fixed from both ends of its non-rotating part essentially in a point of the axis line (15) which is rotating axis (15) of the tilting part of the tilting device (13) and that for getting the fixing point of the work piece (14) nearer the articulating pin (5) in the boom (1) end, the counter articulating point (17) which is placed in the auxiliary body (9) and which can be coupled to the articulating pin (5) in the boom (1) end is fitted to pass the axis line (15) and to extend towards the work piece (14).

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First Claim