The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 26, 2008
Filed:
Mar. 15, 2005
Takahiro Shinga, Chiba, JP;
Takahiro Shinga, Chiba, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A sheet feeding apparatus includes a sheet feeding tray, a lock mechanism that locks the sheet feeding tray, a sheet feeding unit that feeds sheets from the sheet feeding tray one by one, an opening and closing unit that opens and closes a conveyance path, a sheet detecting sensor that detects presence of a sheet at a position at which the opening and closing unit is arranged, and a state detecting unit that detects a state of the opening and closing unit. When the sheet detecting sensor detects that a sheet is stuck during conveyance of the sheet, the lock mechanism locks the sheet feeding tray not to be drawn out, and unlock the sheet feeding tray after the opening and closing unit opens the conveyance path.