REPLACEABLE UNIT FOR AN IMAGE FORMING DEVICE HAVING MAGNETS OF VARYING ANGULAR OFFSET FOR TONER LEVEL SENSING

A replaceable unit for an electrophotographic image forming device, comprising a housing having a reservoir for storing toner; a rotatable shaft positioned within the reservoir and having an axis of rotation; a first linkage rotatable with the rotatable shaft around the axis of rotation, the first l...

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Bibliographic Details
Main Authors McAlpine, Robert Watson, Carpenter, Brian Scott
Format Patent
LanguageEnglish
French
German
Published 26.01.2022
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A replaceable unit for an electrophotographic image forming device, comprising a housing having a reservoir for storing toner; a rotatable shaft positioned within the reservoir and having an axis of rotation; a first linkage rotatable with the rotatable shaft around the axis of rotation, the first linkage having a first permanent magnet; and a second linkage rotatable around the axis of rotation in response to rotation of the rotatable shaft, the second linkage having a second permanent magnet, the second linkage is rotatable independent of the rotatable shaft between a forward rotational stop and a rearward rotational stop such that an amount of angular offset between the first permanent magnet and the second permanent magnet varies depending on a rotational position of the second linkage relative to the forward rotational stop and the rearward rotational stop.
Bibliography:Application Number: EP20210195829