TONER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS

PROBLEM TO BE SOLVED: To provide a toner conveyance device that, even when a toner conveyance coil is installed inside a flexible toner conveyance tube to form a toner conveyance path, prevents the occurrence of a trouble that the toner conveyance coil interferes with an inner wall of the buckled or...

Full description

Saved in:
Bibliographic Details
Main Authors TOMITA DAISUKE, SATO TOSHIYA, TERACHI HAJIME, HATORI SATOSHI, UENISHI HIROYUKI, KUDO TSUNEO, FUKAO TAKESHI
Format Patent
LanguageEnglish
Japanese
Published 08.12.2016
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
Online AccessGet full text

Cover

More Information
Summary:PROBLEM TO BE SOLVED: To provide a toner conveyance device that, even when a toner conveyance coil is installed inside a flexible toner conveyance tube to form a toner conveyance path, prevents the occurrence of a trouble that the toner conveyance coil interferes with an inner wall of the buckled or flattened toner conveyance tube; and an image forming apparatus.SOLUTION: A toner conveyance device comprises: a tube 80 (toner conveyance tube) formed of an elastic material; a toner conveyance coil 81 that is provided inside the tube 80; and a coil-like member 82 (regulation member) that is installed to cover the outer peripheral surface of the tube 80 and regulates a change in outer diameter of the tube 80.SELECTED DRAWING: Figure 4 【課題】フレキシブルなトナー搬送管の内部にトナー搬送コイルを設置してトナー搬送経路を形成する場合であっても、座屈したり扁平化したりした状態のトナー搬送管の内壁にトナー搬送コイルが干渉してしまう不具合が生じにくい、トナー搬送装置、及び、画像形成装置を提供する。【解決手段】弾性材料で形成されたチューブ８０（トナー搬送管）と、チューブ８０に内設されたトナー搬送コイル８１と、チューブ８０の外周面を覆うように設置されてチューブ８０の外径の変化を規制するコイル状部材８２（規制部材）と、が設けられている。【選択図】図４
Bibliography:Application Number: JP20150084646