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:
Sep. 13, 2011
Filed:
Sep. 30, 2009
Applicant:
Keiichi Watanabe, Tokyo, JP;
Inventor:
Keiichi Watanabe, Tokyo, JP;
Assignee:
Oki Data Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H 31/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sheet stacking device for stacking conveyed sheets includes a stacking surface on which the sheets are stacked; a plurality of projections that project from the stacking surface. Wherein, the projections extend generally in a travel direction of the sheets, which is a direction in which the sheets travel when entering the sheet stacking device, the projections include outer projections and inner projections, the inner projections are located between the inner projections, and a projecting height of the inner projections from the stacking surface is greater than that of the outer projections.