Abstract: A hinged channel for receiving steel bars (11, 12), cut to predetermined lengths and discharged from a rolling mill is described. The steel bars are slowed down during or at the end of entry into the hinged channel. After stopping or just before stopping, they are fed onto an underlying cooling bed by opening the hinged channel. The hinged channel has at least two parallel, randomly chargeable channels (5, 6) with different cross-sections. As a function of the cross-section or diameter of the discharged steel bar either the channel with the smaller diameter or that with the larger diameter is charged. A common pivotable cover (10) is provided for both channels, which closes the same in one position and releases the same in the other position so that the steel bar located in one of the channels can drop onto the cooling bed.

Abstract: An apparatus for the insertion and withdrawal of the rollers of a roll stand with a transfer car which is moveable in the roller direction, the rollers from the side in a horizontal position being pushed into the roll stand and withdrawn from the roll stand. A coupling drive is arranged on the transfer car, which drive comprises at least two equally long carrier arms which are coupled with each other over a cycloid transmission. A clamping head is arranged at the front free end of the carrier arms for the clamping and horizontal movement of the rollers on their mounting journals. A straight line guide device for the clamping head is arranged parallel to the cycloid transmission on the carrier arms.