Patent ID: 7547013
Filing Date: 2009-06-16
Classification: B65H

Abstract:
1. A sheet feeding apparatus, comprising: a sheet tray that is detachable and attachable to the sheet feeding apparatus, the sheet tray comprising: a second linkage member including a groove configured to link to the pin of the first linkage member and configured to convey a rotating force to the first linkage member; a motor configured to rotate the second linkage member; a controller configured to control the motor to rotate the second linkage member so that a position of the groove of the second linkage member is aligned with a corresponding position of the pin of the first linkage member when the sheet setting board is at the lowermost position and the sheet tray is being detached from or inserted into the sheet feeding apparatus; a home position detector, which detects a home position of the second linkage member, and wherein the controller controls the motor to move the second linkage member to the home position during the sheet tray being detached from the sheet feeding apparatus; a tray set detector, which detects whether the sheet tray is detached from the sheet feeding apparatus or not, wherein the controller controls the motor to meet a position of the second linkage member corresponding to a position of the first linkage member when the tray set detector detects that the sheet tray is detached from the sheet feeding apparatus after the printing apparatus has been turned on, and wherein the controller stops the motor rotation, if the home position detector does not detect that the second linkage member is in the home position within a predetermined time.