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:
Jan. 11, 2022
Filed:
Jul. 15, 2019
Hiroaki Miyagawa, Kanagawa, JP;
Hiroaki Miyagawa, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A sheet suction device includes a sheet carrier, a suction unit, and a rotary body. The sheet carrier has a carrying region. The carrying region includes a plurality of suction openings. The sheet carrier is configured to rotate while holding a sheet. The suction unit is configured to communicate with the plurality of suction openings and suck air via the plurality of suction openings. The rotary body is disposed between the plurality of suction openings and the suction unit. The rotary body is configured to rotate to change a number of suction openings that communicate with the suction unit, among the plurality of suction openings of the sheet carrier.