Medium supplying apparatus and image forming apparatus

US8925852B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8925852-B2
Application numberUS-201213664909-A
CountryUS
Kind codeB2
Filing dateOct 31, 2012
Priority dateNov 17, 2011
Publication dateJan 6, 2015
Grant dateJan 6, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A medium supplying apparatus for applying a back tension opposite to a transferring direction of a rolled medium being transferred by a transfer unit, to the rolled medium, includes a driving unit including a drive gear to be rotated in a forward direction and a reverse direction; a rotation transmitting mechanism that includes a one-way clutch and a torque limiter and transmits a rotational force between the driving unit and a medium rotation shaft that rotatably holds the rolled medium via the one-way clutch and the torque limiter; and a control unit that controls the driving unit to be one of states including being rotated in the forward direction, being rotated in the reverse direction and not being power supplied while the rolled medium is being transferred by the transfer unit to change the strength of the back tension.

First claim

Opening claim text (preview).

What is claimed is: 1. A medium supplying apparatus for applying a back tension opposite to a transferring direction of a rolled medium being transferred by a transfer unit, to the rolled medium, comprising: a driving unit including a drive gear configured to be rotated in a forward direction and a reverse direction while the rolled medium is being transferred in the transferring direction by the transfer unit; a rotation transmitting mechanism that includes a one-way clutch and…

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What does patent US8925852B2 cover?
A medium supplying apparatus for applying a back tension opposite to a transferring direction of a rolled medium being transferred by a transfer unit, to the rolled medium, includes a driving unit including a drive gear to be rotated in a forward direction and a reverse direction; a rotation transmitting mechanism that includes a one-way clutch and a torque limiter and transmits a rotational fo…
Who is the assignee on this patent?
Nakada Kikuya, Ricoh Co Ltd
What technology area does this patent fall under?
Primary CPC classification B65H23/182. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Jan 06 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).