Patent ID: 8011263

Claim:
An injection-molded resin face gear including a boss, a disk-shaped web formed on an outer circumferential side of the boss in an outward radial direction, and a teeth section formed on an outer peripheral edge of the web, wherein: the teeth section includes a cylindrical section connected to the outer peripheral edge of the web, a disk-shaped section formed on one end side of the cylindrical section in the outward radial direction, and a plurality of teeth formed evenly spaced on an outer circumferential side of the cylindrical section such that one side surface of the disk-shaped section is a bottom land; the web, the cylindrical section, and the disk-shaped section have same thicknesses; and an entire connection section between the web and the cylindrical section is positioned between an end surface on the one end side of the cylindrical section and an end surface on another end side that is an opposite side to the one end side, and is positioned such as to be misaligned with another side surface of the disk-shaped section and an end surface on the other end side of the cylindrical section, along a direction in which a rotational center axis extends.