(57) A device for treating a wall, for example, a ship's wall comprising a supporting
device having a head (3) movable along the wall and an elongate carrier connected
with the head and carrying processing members. The carrier comprises a basic segment
(12) connected with the head and a plurality of relatively pivotable, elongate segments
(13-16) connected with one another and with the basic segment to form a chain on at
least one side of the basic segment. Moving and guiding means (21, 20) are provided
for the pivotable movements of the segments relative to one another, the guiding means
(20) comprising a bearing support (25) rigidly secured to the basic segment, a bearing
.support (24) rigidly secured to the second segment (14), viewed from the basic segment
(12), and a coupling rod (26) pivotally connected with said bearing supports. The
coupling rod (26) and the first segment (13) define a non-parallelogram-shaped four
bar linkage. The moving means comprise a hydraulic jack (21) arranged between a bearing
support rigidly secured to the basic segment and a bearing support rigidly secured
to one of the plurality of segments.
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