Patent ID: 11953842
Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
Field: Optics (Instruments)
Classification: CPC G | IPC F  G

Claim 11:
12. A drum unit to be mounted and used in an image forming apparatus, comprising:
a support member for rotatably supporting a photoconductor drum;
a light guide member that is supported by the support member, has a light incident surface on which light is incident, and deflects the light incident on the light incident surface to emit light toward the photoconductor drum;
a first abutting part that is provided on the light guide member and positions the light guide member at a predetermined first reference position in the support member by abutting against an abutted part of the support member;
a cover member attached to the support member and covering the light guide member, and
a first biasing part that biases the light guide member in an abutting direction in which the first abutting part abuts the abutted part, with the cover member attached to the support member, wherein
the cover member includes an engaging part that engages with an engaged part of the support member with the first biasing part generating a biasing force in the abutting direction.