Abstract: Miniature rotary machinery with brushgear comprising two arm guides, to which power supply voltage is fed, provided on the inside of a motor case cover; and brush arms having brushes at the tip thereof and brush arm eyes, for rotatably engaging with the arm guides, at the other end thereof, and spring receptacles, made of an insulating material, at the center thereof; both ends of an arc-shaped leaf spring being engaged with the spring receptacles to impart pushing force to the brushes by the resiliency thereof; the brush arm eyes being disposed so as to make contact with the arm guides at a predetermined angle; each of the brush arm eyes having a formed portion whose crosssection includes two mutually intersecting tangent lines making contact with the circular crosssection of the arm guide so that two-point contact is established between the formed portion and the arm guide, when viewed in the crosssectional direction; and if necessary projections or ridges provided on the outer circumferential surface of th