Patent ID: 8888091
Filing Date: 2014-11-18
Classification: B65H

Abstract:
1. A sheet feeding apparatus comprising: a stacking member on which a sheet is stacked; a sheet feeding unit configured to feed the sheets by contacting the sheets stacked on the stacking member; a shaft configured to be rotatable, the sheet feeding unit being configured to feed the sheet according to a rotation of the shaft; an elevating unit configured to elevate the stacking member according to the rotation of the shaft; a drive unit configured to generate a driving power and to rotate the shaft; and a clutch mechanism configured to transmit the driving power from the drive unit to the sheet feeding unit after the elevating unit elevates the stacking member so that the sheet stacked on the stacking member contacts the sheet feeding unit, the clutch mechanism comprising: a clutch input portion configured to rotate according to the rotation of the shaft; a clutch output portion configured to transmit the driving power from the drive unit to the sheet feeding unit by engaging with the clutch input portion; and a movement mechanism configured to move the clutch input portion between a disengagement position where the clutch input portion disengages from the clutch output portion and an engagement position where the clutch input portion engages with the clutch output portion, wherein the movement mechanism is configured to move the clutch input portion between the disengagement position and the engagement position according to the rotation of the shaft.