Patent ID: 11953847
Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 1:
2. The transfer unit according to claim 1, wherein
the switching mechanism including
a first coil spring arranged between the first bearing holding portion and the first bearing member, the first coil spring urging the first bearing member in a direction toward the image carrying member;
a second coil spring arranged between the second bearing holding portion and the second bearing member, the second coil spring urging the second bearing member in a direction toward the image carrying member;
a switching cam having a guide hole with which a first engaging portion formed on the first bearing member and a second engaging portion formed on the second bearing member engage;
a metal shaft fixed to a rotation center of the switching cam, the metal shaft rotatably supporting the roller holder; and
a roller switching motor for rotating the shaft,

wherein
the shaft is grounded via a main body frame of an image forming apparatus in which the transfer unit is mounted, and
the grounding member has
a pair of first grounding members across which the metal shaft conducts to the first or second coil springs, and
a second grounding member across which the first and second coil springs conducts to the shaft.