Patent ID: 9389531
Filing Date: 2016-07-12
CPC Classification: G03G

Claim Text:
1. An image forming apparatus comprising: a first development roller configured to carry development agent of a first color; a second development roller configured to carry development agent of a second color; a driving source; a first transmission mechanism configured to transmit a driving force from the driving source to the first development roller, the first transmission mechanism including a first gear having gear teeth; a second transmission mechanism configured to transmit the driving force from the driving source to the second development roller, the second transmission mechanism including a second gear having gear teeth; and a drive switching mechanism disposed between the driving source and the first transmission mechanism and between the driving source and the second transmission mechanism, the drive switching mechanism comprising a switching gear having gear teeth and configured to move along a rotational axis direction of the first development roller, between: wherein when the switching gear is in the first position, the gear teeth of the switching gear engage with the gear teeth of the first gear and the gear teeth of the second gear, wherein the drive switching mechanism comprises a moving mechanism configured to move the switching gear along the rotational axis direction, the moving mechanism comprising: wherein the cam mechanism comprises: wherein the cam member comprises: wherein the cam-shaped portion is formed in a stepped shape to have: