摘要:
A copying apparatus equipped with a sorter 2 which is arranged to accommodate through classification, a plurality of copy paper sheets 6, 7 in correspondence to a single original document, discharged from a main body 1 of the copying apparatus, into a plurality of bins 52 successively shifted to a paper discharge position 73 by a shifting means 53. The copying apparatus comprises a copy number preset key 100, memory means 173 for memorizing the preset number of copies, first counter 171 for counting the number of copied paper sheets, second counter 172 for counting the number of discharged copy paper sheets, means 87 for stopping the copying operation when the counted value of the first counter 171 is agreed with the memorized preset number of copies, a sort key 106 for selecting a mode for accommodating the copy paper sheets 6, 7 into the bins 52 through classification one single sheet by one single sheet, and an electrical circuit 152 for applying signal to the shifting means 53 in order to change the moving direction of the bins 52 when the counted value of the second counter 172 is agreed with the memorized preset number of copies in the sort mode.
摘要:
An electrostatic copying apparatus comprising - a transparent plate -on which to place a document to be copied, - an optical system - for projecting the image of the document onto an electrostatographic photosensitive member in an exposure zone located along the moving path of the photosensitive member, and -a driving means - for reciprocating one of at least a part of the optical system and the transparent plate is characterized in that -said driving means includes - a backward movement restricting means - for stopping the backward movement of said one of at least a part of the optical system and the transparent plate fully accurately at a predetermined forward movement start position.
摘要:
@ A developing device comprising a developer receptacle for storing a two-component developer composed of carrier particles and toner particles, a magnetic brush mechanism (36) disposed in a front portion within the developer receptacle, a first agitating mechanism (38) disposed in a rear portion within the developer (14) receptacle in a spaced-apart relationship to the magnetic brush mechanism (36), a second agitating mechanism (40) disposed in proximity to, and rearwardly or downwardly of, the magnetic brush mechanism, a developer removing -member (50) disposed between the magnetic brush mechanism (36) and the first agitating mechanism (38) with its front edge being in contact with, or in proximity to, the surface of the magnetic brush mechanism (36), and a toner particle supplier (32) for supplying toner particles to the developer receptacle; is characterized in that a plurality of cuts (54) spaced in the widthwise direction are formed at least in the front portion of the developer removing member (50), and a part of the developer held on the surface of the magnetic brush mechanism (36) is removed therefrom by the action of the developer removing member (50) and caused to flow over the upper surface of the developer removing member (50) toward the first agitating mechanism (38) but the remainder of the developer held on the surface of the magnetic brush mechanism (36) moves through the cuts without undergoing the action of the developer removing member and is caused to flow toward the second agitating mechanism (40).
- a transparent plate -on which to place a document to be copied, - an optical system - for projecting the image of the document onto an electrostatographic photosensitive member in an exposure zone located along the moving path of the photosensitive member, and -a driving means - for reciprocating one of at least a part of the optical system and the transparent plate is characterized in that -said driving means includes - a backward movement restricting means - for stopping the backward movement of said one of at least a part of the optical system and the transparent plate fully accurately at a predetermined forward movement start position.
摘要:
A cleaning device in an electrostatic copying apparatus for removing residual toner particles from the surface of a photosensitive member adapted to move through an endless conveying passage, which comprises a blade holding mechanism (52, 54) mounted pivotally around an axis (48) extending substantially parallel to the surface of the photosensitive member (30) and substantially perpendicular to the moving direction of the photosensitive member and a cleaning blade (56) mounted on the blade holding mechanism. This cleaning device (56) further includes a first spring means (70) for elastically biasing the blade holding mechanism to a non-operating position at which the cleaning blade (56) moves away from the surface of the photosensitive member (30) and a specially improved operating mechanism for selectively positioning the blade holding mechanism against the elastic biasing action of the first spring means (70) at an operating position at which the cleaning blade (56) is pressed on the surface of the photosensitive member (30).
摘要:
An optical device in a variable magnification electrostatic copying apparatus. The optical device comprises a first reflecting mirror assembly mounted for reciprocal movement, a second reflecting mirror assembly mounted for reciprocal movement substantially parallel to the reciprocating direction of the first reflecting mirror assembly, and a speed-reduction interlocking mechanism for moving the second reflecting mirror assembly at a speed one-second of the moving speed of the first reflecting mirror assembly according to the movement of the first reflecting mirror assembly. The optical device further includes a magnification setting mechanism for changing the relative position of the second reflecting mirror assembly to the first reflecting mirror assembly according to a magnification of copying. The magnification setting mechanism comprises a setting cam having a plurality of acting portions corresponding to a plurality of magnification values and a setting member adapted to be held by the setting cam at any one of a plurality of setting positions corresponding to the plurality of magnification values. The changing of the position of the setting member causes a change in the relative position of the second reflecting mirror assembly to the first reflecting mirror assembly.