摘要:
An automatic document conveying device to be applied to an image processor with a transparent plate on which to place document to be processed being disposed on the upper surface of a housing. The automatic document conveying device comprises a document table, a document introduction passage extending from the document table to one end edge of the transparent plate, a first document receiving tray, a second document receiving tray and a document delivery passage. The document delivery passage includes a common passage extending from the other end edge of the transparent plate, a first branched passage extending from the downstream end of the common passage to the first document receiving tray, and a second branched passage extending from the downstream end of the common passage to the second document receiving tray. The automatic document conveying device further includes a docunent sending means for delivering a plurality of documents on the document table piece by piece to the document introduction passage, a document introduction means for introducing the document sent out to the document introduction passage onto the document plate, a document conveying means for conveying the document along the transparent plate, and a document discharging means for discharging the document delivered to the common passage of the document delivery passage by the document conveying means through the common passage, the first branched passage or the second branched passage in the document delivery passage.
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 electrostatic copying apparatus of the type including a support frame (6) having a front support wall (76) and a rear support wall (78) located with a predetermined space therebetween in the front and rear direction, said support frame (6) being mounted on a housing defining the apparatus so that it is slidable in the front and rear direction between its operating position within the housing and its pull-out position forwardly of the housing, and mounted on said support frame, a rotating drum (10) having a photosensitive member disposed on its peripheral surface and a developing device (14) for developing a latent electrostatic image formed on the photosensitive member. Each of the rear surface of the front support wall and the front surface of the rear support wall in the support frame has a semicircular receiving portion (144, 146) having an open top, and each end of the rotating drum has mounted thereon a shaft bearing member (106, 108) having a circular peripheral surface.
摘要:
An electrostatic copying process and apparatus capable of forming copies in at least two different ratios. The formation of a copied image involves exposure scanning of the image of an original document and projecting it on a photosensitive member (10) through an optical device (66). The change of the ratio of copying is achieved by changing the ratio of projection of the image of the document onto the photosensitive member by the optical device, and also changing the speed of scanning.