The invention relates to a drive apparatus (1B) of a metering and mixing device (1A) for multi-component materials, in particular multi-component adhesives, which metering and mixing device has at least two cartridge-accommodating devices (2, 3) for accommodating replaceable cartridges (2.1, 3.1) having individual material components, a discharging device for simultaneously discharging the material components from the cartridges (2.1, 3.1) through component outlets by means of discharging plungers (11, 16) that plunge into the cartridge-accommodating device (2, 3), and a mixing device (7), which is connected to the component outlets and mixes the discharged material components and dispenses the material components in the mixed state, comprising a transmission unit (8) for connecting an in particular electric drive machine (9), wherein the transmission unit (8) has coupling means (24) for the forced connection of a discharge of at least two material components by correspondingly synchronized actuation of the corresponding discharging plungers (11, 16) by means of respective discharging rods (4, 5).
