A household appliance comprising; a body a pair of rear feet rotatably coupled to a lower surface of the body to adjust the height of the body via a pair of shafts extending toward one another, and a main shaft, connected to the pair of shafts via a transmission unit wherein the main shaft is configured to rotate the pair of shafts upon being rotated, characterized in that - the main shaft is configured to move along its elongation direction between a neutral position and a pushed-in position; wherein during the neutral position, the pair of rear feet rotate in opposite directions with respect to each other; and, wherein during the pushed-in position, the pair of rear feet rotate in the same direction with respect to each other; and - the transmission unit comprises a first connection means and a third connection means which are separated by a distance and attached to the main shaft, a second connection means attached to an end of one of the pair of shafts, and a fourth connection means attached to an end of the other one of the pair of shafts, wherein, during the neutral position, the first connection means is rotatably connected to the second connection means, the second connection means to the third connection means, the third connection means to the fourth connection means; and during the pushed-in position, the third connection means is disconnected from the second connection means and the fourth connection means, while the first connection means is rotatably coupled to and in-between the second connection means and the fourth connection means. a body a pair of rear feet rotatably coupled to a lower surface of the body to adjust the height of the body via a pair of shafts extending toward one another, and a main shaft, connected to the pair of shafts via a transmission unit wherein the main shaft is configured to rotate the pair of shafts upon being rotated, characterized in that - the main shaft is configured to move along its elongation direction between a neutral position and a pushed-in position; wherein during the neutral position, the pair of rear feet rotate in opposite directions with respect to each other; and, wherein during the pushed-in position, the pair of rear feet rotate in the same direction with respect to each other; and - the transmission unit comprises a first connection means and a third connection means which are separated by a distance and attached to the main shaft, a second connection means attached to an end of one of the pair of shafts, and a fourth connection means attached to an end of the other one of the pair of shafts, wherein, during the neutral position, the first connection means is rotatably connected to the second connection means, the second connection means to the third connection means, the third connection means to the fourth connection means; and during the pushed-in position, the third connection means is disconnected from the second connection means and the fourth connection means, while the first connection means is rotatably coupled to and in-between the second connection means and the fourth connection means. - the main shaft is configured to move along its elongation direction between a neutral position and a pushed-in position; wherein during the neutral position, the pair of rear feet rotate in opposite directions with respect to each other; and, wherein during the pushed-in position, the pair of rear feet rotate in the same direction with respect to each other; and - the transmission unit comprises a first connection means and a third connection means which are separated by a distance and attached to the main shaft, a second connection means attached to an end of one of the pair of shafts, and a fourth connection means attached to an end of the other one of the pair of shafts, wherein, during the neutral position, the first connection means is rotatably connected to the second connection means, the second connection means to the third connection means, the third connection means to the fourth connection means; and during the pushed-in position, the third connection means is disconnected from the second connection means and the fourth connection means, while the first connection means is rotatably coupled to and in-between the second connection means and the fourth connection means.