Patent ID: 7270325
Filing Date: 2007-09-18
Classification: B65H

Abstract:
1. A sheet feeding apparatus, comprising: a stacker for storing a sheet, a transport guide for guiding the sheet from the stacker to a processing position, a first transport device disposed at the transport guide for nipping and transporting the sheet, a second transport device disposed at the transport guide at a position away from the first transport device for nipping and transporting the sheet, a double feed detection device disposed between the first transport device and the second transport device for detecting a double feed of sheets, a sheet end detection device disposed at a downstream side of the double feed detection device and between the first transport device and the second transport device for detecting a trailing end of the sheet, and a determination device electrically connected to the double feed detection device and the sheet end detection device for determining the double feed based on a detection signal from the double feed detection device and a detection signal from the sheet end detection device indicating a transport length of the sheet during a period from when the double feed detection device detects the sheet to when the trailing end of the sheet reaches the sheet end detection device.