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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||355/15 ; 15/25651 ; 118/652 ; 198/671|
|발명자 / 주소||
|출원인 / 주소||
|인용정보||피인용 횟수 : 5 인용 특허 : 1|
A cleaning apparatus for removable insertion in an electrophotographic copying machine includes an exhaust cylinder having an opening at an end portion thereof and a conveyor in the cylinder operable for carrying particulate developer through the cylinder to the opening thereof. A shutter having a second opening is movable with respect to the cylinder between a first position in which the shutter closes the cylinder opening and a second position in which the openings of the shutter and cylinder are aligned, a bias spring being effective to normally maint...
In an electrophotographic copying machine having a detachable cleaning apparatus for removing and recovering toner, the improvement comprising: a toner recovery box having a discharge opening, an exhaust pipe having an open entrance end connected to said discharge opening and an exit opening proximate its other end, means closing the said other end of said pipe, toner conveyor means supported within said pipe by said closing means for moving toner from the open entrance end to said exit opening, a shutter slidably mounted relative to said pipe and having...