Patent ID: 11898964
Assignee: SHOWA ALUMINUM CAN CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 2:
3. A camera positioning jig for aligning a centerline of a circular inspection hole formed in a pedestal base with a centerline of a lens holding cylinder of a camera, the cameral positioning jig comprising:
a ring-shaped body; and
a flange portion protruded from an outer peripheral surface of the ring-shaped body,
wherein the ring-shaped body includes an outer diameter portion having an outer diameter corresponding to a diameter of the inspection hole of the pedestal base and an inner diameter portion having an inner diameter corresponding to an outer diameter of the lens holding cylinder of the camera, the outer diameter portion of the ring-shaped body being fitting in the inspection hole, and the inner diameter portion of the ring-shaped body being fitting the lens holding cylinder,
wherein the ring-shaped body of the camera positioning jig is configured by a partial ring-shaped body of a perfect ring-shaped body, the partial ring-shaped body having a center angle of 90° to 180°.