point x to the guide carriage 17 and which is guided pivotably at the underside of the housing 19 by way of a heart curve projection 11 in a heart curve shaped sliding guide path 10 not shown here fig6 shows a side view of the unlockable ejection device 1 together with the synchronization rod 6 from fig5 in this case the synchronization rod 6 has in its internal region splined shaft shaped recesses and notches into which the splined shaft 28 of the push on element 26 engages in non rotatable relationship therewith fig7 shows the housing 19 together with a part of a housing opening 20 through which the rack 8 a projects and can be brought into contact with the gear 9 a it can further be seen that the guide carriage 17 the rack 8 a and the ejector 13 are in one piece the heart curve projection 11 can be fitted into the latching element 18 the locking element 4 is in one piece with the control cam projection 22 and can be clipped on a pivotal projection 36 the figure also shows a holding element 12 which is mounted to the movable furniture part 5 not shown and can be brought into contact with the ejector 13 and with the locking element 4 the elastic elements 16 act on the guide carriage 17 and are at least partially disposed between the guide carriage 17 and the mounting plate 23 the housing 19 can be fixed to the mounting plate 23 by way of fixing regions 32 the holding sleeve 31 together with a rotary bearing 30 for the gear 9 a can also be fixed in the region of the housing opening 20 wherein the gear.