Japan, Sept. 16 -- CANON INC has got intellectual property rights for 'SHEET FEEDING DEVICE, IMAGE FORMING SYSTEM, AND IMAGE FORMING DEVICE.' Other related details are as follows:
Application Number: JP,2022-077708
Category (FI): B65H1/14,320@A,B65H3/12,310@Z,B65H3/48,320@A,B65H7/02
Stage: PROBLEM TO BE SOLVED: To reduce an occurrence of a sheet feeding defect in a device that causes floatation of a sheet and feeds the sheet using air.SOLUTION: A sheet feeding device includes a tray that supports a sheet and is movable up and down, and a lifting unit that moves the tray up and down. Further, the sheet feeding device includes: an air blowing unit that blows air to a side edge of the sheet supported by the tray to cause flotation of the sheet; a suction conveyance unit that can execute a feeding operation that suctions and feeds the floated sheet; and a top surface detection unit that detects a downward state where a top surface of the sheet is below a detection position. Then, the lifting unit can execute a mode in which the tray is raised for a second time period that is longer than a first time period during which the downward state is detected.SELECTED DRAWING: Figure 8 (Grant)
Filing Date: May 10, 2022
Publication Date: Nov. 22, 2023
The original document can be viewed at: https://www.j-platpat.inpit.go.jp/p0100
Disclaimer: Curated by HT Syndication.
