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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.:

US 7802789 B1

PDFFull Text
Expired
Date of Patent:
Sep. 28, 2010

Filed:

Feb. 10, 2009

Sheet conveying device, sheet punching device, sheet processing device, image forming apparatus, and method for determining mounting state of measuring unit

Applicants:

Junichi Tokita, Kanagawa, JP;

Masahiro Tamura, Kanagawa, JP;

Nobuyoshi Suzuki, Tokyo, JP;

Makoto Hidaka, Tokyo, JP;

Takashi Saito, Kanagawa, JP;

Hitoshi Hattori, Tokyo, JP;

Shuuya Nagasako, Kanagawa, JP;

Naohiro Kikkawa, Kanagawa, JP;

Kazuhiro Kobayashi, Kanagawa, JP;

Tomohiro Furuhashi, Kanagawa, JP;

Akira Kunieda, Tokyo, JP;

Hiroshi Maeda, Gifu, JP;

Ichiro Ichihashi, Aichi, JP;

Atsushi Kuriyama, Aichi, JP;

Inventors:

Junichi Tokita, Kanagawa, JP;

Masahiro Tamura, Kanagawa, JP;

Nobuyoshi Suzuki, Tokyo, JP;

Makoto Hidaka, Tokyo, JP;

Takashi Saito, Kanagawa, JP;

Hitoshi Hattori, Tokyo, JP;

Shuuya Nagasako, Kanagawa, JP;

Naohiro Kikkawa, Kanagawa, JP;

Kazuhiro Kobayashi, Kanagawa, JP;

Tomohiro Furuhashi, Kanagawa, JP;

Akira Kunieda, Tokyo, JP;

Hiroshi Maeda, Gifu, JP;

Ichiro Ichihashi, Aichi, JP;

Atsushi Kuriyama, Aichi, JP;

Assignee:

Ricoh Co., Ltd., Tokyo, JP;

Attorney:

Harness, Dickey & Pierce, P.L.C.

Primary Examiner:

Kaitlin S Joerger

Int. Cl.
CPC ...
B65H 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A sheet conveying device includes a conveying unit that conveys a sheet in a sheet conveying direction; a measuring unit that measures a position of a side edge of the sheet in a measurement area; a shielding unit having an end portion that is projected into the measurement area for shielding the sheet; a first determining unit that determines whether the shielding unit is detectable in the measurement area; and a second determining unit that determines whether the measuring unit has been mounted in the sheet conveying device based on a result obtained in the first determining unit.

Find Patent Forward Citations

Tokita, Junichi. (2010). Sheet conveying device, sheet punching device, sheet processing device, image forming apparatus, and method for determining mounting state of measuring unit (U.S. Patent No. 7802789). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7802789

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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