A drive train assembly (22) for an oral care device (10) having a housing (12), comprising: a plurality of elongated leaf springs (50) symmetrically disposed around the circumference of the drive train assembly, each of the plurality of elongated leaf springs secured at both ends； and a ring (46) encircling the plurality of elongated leaf springs, wherein the ring is fixedly connected to each of the plurality of elongated leaf spring assemblies and fixedly connected to the housing of the oral care device.
