Back to results
US 7,597,324 B2Granted
Sheet-stacking apparatus and image-forming apparatus
AssigneeCanon Kabushiki Kaisha
InventorsYusuke Obuchi, Kenichi Hayashi
Life of this patent
Estimating the term…
Abstract
A sheet-stacking apparatus includes a gripper configured to convey a sheet, two stacker trays stacking sheets arranged in a row, and a support member configured to separately elevate the two stacker trays. The stacker tray is selected according to a sheet length.
Claims14
A sheet-stacking apparatus comprising:
- a conveying portion configured to convey a sheet;
- a plurality of stacking portions, each stacking portion suitable for holding a stack of sheet;
- an elevating device configured to individually move the plurality of stacking portions up and down,
- wherein a sheet conveyed by the conveying portion is capable of being stacked on each stacking portion, and the sheet-stacking apparatus is operable to stack a sheet across the plurality of stacking portions;
- and
- at least one of a notification portion configured to make a notification when the stacking portions with a sheet stacked across are moved down individually and a difference in height between a highest stacking portion and a lowest stacking portion becomes greater than a predetermined value, and a controller configured to stop a stacking operation when the stacking portions with sheets stacked across are moved down individually and a difference in height between a highest stacking portion and a lowest stacking portion becomes greater than a predetermined value.
3 more elements
Dependencies are inferred from the claim text.