| 摘要 |
The invention relates to a device for fixing the tray of an exchange (transfer) column to a holder beneath the tray, in particular a carrier of a rim support or the like by a vertical connection piece which is attached to the holder part in particular by orifices, slots or gaps in the tray and passes through the holder part in order to engage it from below and has, in the upper region, at least one projection beneath which a wedge can be pushed which presses the tray onto the holder part, the projection being formed by a horizontal profile piece (8), the profile piece (8) being inserted, detachably from the connection piece (6), into an orifice (7) of the connection piece and the profile piece (8) being a flat profile the side surfaces of which are vertical and the profile piece being inserted into a vertical slot (7) of the connection piece. <IMAGE>
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