Rail extension device with at least running noise reducing additional part of a ball cage and household appliance with a rail extension device

摘要

The invention relates to a rail extension device (7) for a household appliance (1), comprising a first rail (8) and a separate second rail (9) which is connected to the first rail (8), wherein the rails (8, 9 ) in the direction of their longitudinal axes (L) relative to each other by means of a to the rails (8, 9) separate Wälzköpervorrichtung (10) of the rail extension device (7) are displaceable, wherein a rolling body (13, 14) of the Wälzkörpervorrichtung (10) for performing a rolling movement with a running area (16, 19) with a running surface (15, 16, 17, 18) of at least one rail (8, 9) is coupled, and on a Wälzkörperkäfig (12) is arranged, wherein on the Wälzkörperkäfig (12) a to Rolling body (13, 14) and to the rails (8, 9) separate, sheet-like contact element (24) is arranged, with which the rolling elements (13, 14) is in direct contact and by which at least one damping of a movement noise of the rolling body (13 , 1 4) is formed. The invention also relates to a household appliance (1).