Patent ID: 9676581
Date: 2017-06-13
CPC Classifications: B65H

Claim:
1. A sheet stacking apparatus, comprising: a conveying unit configured to convey a sheet; a first support member configured to support the sheet conveyed by the conveying unit, the first support member including a first supporting surface contacting an underside, in a vertical direction, of a first end of the sheet in a direction orthogonal to a sheet conveying direction; a second support member configured to support the sheet conveyed by the conveying unit, the second support member including a second supporting surface contacting an underside, in a vertical direction, of a second end of the sheet in the direction orthogonal to the sheet conveying direction; and a stacking portion on which the sheet is stacked, wherein at least one of the first support member and the second support member is capable of moving between a first position that supports the sheet so that the sheet does not drop down to the stacking portion and a second position that does not support the sheet such that the sheet drops down onto the stacking portion, and wherein a length of the first support member is shorter than a length of the second support member in the sheet conveying direction, and a longitudinal downstream end portion of the first support member is provided upstream of a longitudinal downstream end portion of the second support member in the sheet conveying direction.