Patent ID: 9217983
Filing Date: 2015-12-22
Classification: F16D,G03G,Y10T

Abstract:
1. A drive transmission device for transmitting driving force to a plurality of rotatable shafts, comprising: the plurality of rotatable shafts; a drive source that generates driving force; a first transmission mechanism that transmits first driving force to a specific rotatable shaft among the plurality of rotatable shafts in accordance with driving force from the drive source, the first driving force causing the specific rotatable shaft to rotate in a first rotation direction; and a second transmission mechanism that transmits second driving force to the specific rotatable shaft in accordance with driving force from the drive source, the second driving force causing the specific rotatable shaft to rotate in a second rotation direction opposite to the first rotation direction, wherein the first transmission mechanism includes a cut-off member that cuts off transmission of the first driving force to the specific rotatable shaft upon the second driving force being transmitted to the specific rotatable shaft from the second transmission mechanism while the first driving force is being transmitted to the specific rotatable shaft, the second transmission mechanism includes while transmission of driving force from the first gear to the second gear is enabled, the second driving force is transmitted from the second transmission mechanism to the specific rotatable shaft and the specific rotatable shaft rotates in the second direction.