Patent ID: 11971681
Assignee: CANON KABUSHIKI KAISHA
Field: Optics (Instruments)
Classification: CPC G  F  H  B | IPC B  F  G  H

Claim 14:
15. The coupling structure according to claim 13,
wherein the control board is provided with a first through hole,
wherein the sheet metal member is provided with a second through hole,
wherein the coupling portion is a screw member including a conductive member having a head portion having a seat surface and a screw portion inserted into the first through hole and the second through hole,
wherein a diameter of the first through hole is smaller than a diameter of the head portion,
wherein a diameter of the second through hole is smaller than the diameter of the first through hole, and
wherein the screw member couples the sheet metal member and the control board in a state the first conductive portion and the second conductive portion are pressed with each other by the screw portion being screwed into the second through hole without the seat surface penetrating through the first through hole.