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:
Aug. 18, 2020
Filed:
Mar. 18, 2019
Ryo Honda, Kanagawa, JP;
Ryo Honda, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A tension controller includes a drive device configured to rotate a drive shaft, and a drive transmission device configured to transmit a rotation driving force of the drive shaft of the drive device to rotate a rotary shaft of a roll of a conveyance target medium. The drive transmission device including a tension applying device including a variable speed reducing device and a torque limiter, the variable speed reducing device and the torque limiter being disposed between the drive shaft of the drive device and the rotary shaft of the roll of the conveyance target medium. The variable speed reducing device of the tension applying device being configured to change a speed reduction ratio between the rotary shaft of the roll of the conveyance target medium and the torque limiter and to apply a tension force to the conveyance target medium.