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:
Nov. 28, 1989
Filed:
Aug. 01, 1988
Yasuo Tsurubuchi, Hachioji, JP;
Shogo Kato, Hachioji, JP;
Konishiroku Photo Industry Co., Ltd, Tokyo, JP;
Abstract
In a copying machine, a sheet conveyance mechanism which allows an image to be copied on both sides of a sheet of paper. The sheet conveyance mechanism includes an intermediate tray in which the sheet is copied on one side thereof by an image copy section, a friction roller capable of effecting reversible rotation and a double feed preventing roller. In operation, a sheet of paper is conveyed by the friction roller into the intermediate tray in which an image is copied onto one side of the sheet, the sheet is then removed by the friction roller, rotating in the reverse direction and transported back to the intermediate tray in which an image is copied on the second side of the sheet.