11 is arranged in the guide path 10 in which the force transmission device 11 is movable the centering pin 15 is arranged in the associated receiving opening 26 fig1 e is a perspective detail view showing how the locking device 27 locks the actuating unit 8 and the electric drive 7 in the connected position the locking elements 14 are displaced by the locking lever 12 in such a way that they are brought into engagement with abutment elements 25 so that release that is to say detachment of the electric drive 7 from the actuating unit 8 is prevented the centering pin 15 is inserted into the associated receiving opening 26 fig1 a shows a furniture carcass 2 with a furniture flap 3 mounted movably thereto in the form of an upwardly foldable flap and a furniture flap drive 1 as shown in fig1 through 14 upwardly foldable flaps are flaps 3 which are of a two part structure wherein a first flap portion is rotatably connected to the furniture carcass 2 and a second flap portion is rotatably connected to the first flap portion when the flap 3 is moved into the open position the first flap portion is pivoted upwardly away from the furniture carcass 2 while the second flap portion is also pivoted upwardly towards the furniture carcass 2 so that the flap 3 is folded together in the open position fig1 b shows a perspective detail view of fig1 a viewing in another direction the invention is not limited to the illustrated embodiments but embraces all technical equivalents which can fall within the scope of the appended claims the positional references adopted in the description such as for example up down lateral and so forth are also related to the directly described.