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:
May. 22, 2012
Filed:
Sep. 03, 2009
Masashi Kimijima, Yokohama, JP;
Masashi Kimijima, Yokohama, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A sheet feeding device including a sheet feed cassette. The sheet feed cassette includes a tray extendable and contractible in a direction of sheet feed; a guide member having a long groove provided on a bottom plate of the sheet feed cassette in the direction of sheet feed; a pressing member having a shaft in a lower portion thereof loosely inserted into the guide member, the pressing member movable along the guide member and contacting a rear edge of a sheet stored in the sheet feed cassette; a link cam plate having a long guide groove into which the shaft of the pressing member is movably inserted, the link cam plate being swingably provided on the bottom plate of the sheet feed cassette; and a sheet size detector including a convex portion and a size detector to detect a size of the sheet stored in the sheet feed cassette.