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    • 66. 发明授权
    • Electrophotographic photosensitive member and electrophotographic
apparatus, device unit and facsimile machine using the same
    • 电子照相感光构件和电子照相设备,设备单元和使用其的传真机
    • US5422210A
    • 1995-06-06
    • US968465
    • 1992-10-29
    • Akio MaruyamaToshiro KikuchiShoji AmamiyaShin NagaharaKatsumi Aoki
    • Akio MaruyamaToshiro KikuchiShoji AmamiyaShin NagaharaKatsumi Aoki
    • G03G5/06G03G5/147G03G5/14
    • G03G5/0668G03G5/0614G03G5/0616G03G5/14734G03G5/14791
    • A electrophotographic photosensitive member and an electrophotographic apparatus, a device unit and a facsimile machine using an electrophotographic photosensitive member which comprises a conductive support, a photosensitive layer and a protective layer, the protective layer containing resin formed by hardening a light-setting type acrylic monomer, and the photosensitive layer containing at least one compound selected from the group consisting of (A), (B) and (C) below:(A) styryl compounds having a structure expressed by the following formula (1) and a melting point not higher than 135.degree. C.; ##STR1## wherein Ar.sup.1 and Ar.sup.2 are aromatic ring groups, Ar.sup.3 is a bivalent aromatic ring group or a bivalent heterocyclic group, R.sup.1 is an alkyl group or an aromatic ring group, R.sup.2 is a hydrogen atom, an alkyl group or an aromatic ring group, and n.sub.1 is 1 or 2, R.sup.1 and R.sup.2 possibly linking to form a ring when n.sub.1 =1;(B) triarylamine compounds having a structure expressed by the following formula (2) and a melting point not higher than 150.degree. C.; ##STR2## wherein Ar.sup.4, Ar.sup.5 and Ar.sup.6 are each an aromatic ring group or a heterocyclic group:(C) hydrazone compounds having a structure expressed by the following formula (3) and a melting point not higher than 155.degree. C.; ##STR3## wherein R.sup.3 is a hydrogen atom or an alkyl group, R.sup.4 and R.sup.5 are alkyl groups, aralkyl groups or aromatic ring groups, n.sub.2 is 1 or 2, A is an aromatic ring group, a heterocyclic group or --CH.dbd.C(R.sup.6)R.sup.7 (R.sup.6 and R.sup.7 are hydrogen atoms, aromatic ring groups or heterocyclic groups, but will never be hydrogen atoms at the same time). The photosensitive member suppresses the occurrence of cracks during forming of the protective layer, has high durability, and is free from any image defects.
    • 电子照相感光构件和电子照相设备,设备单元和使用电子照相感光构件的传真机,其包括导电支撑体,感光层和保护层,所述保护层含有树脂通过使光固化型丙烯酸单体硬化而形成 ,(A),(B)和(C)中的至少一种选自下述的化合物的感光层:(A)具有由下式(1)表示的结构的苯乙烯基化合物和不具有下式 高于135℃。 (1)其中Ar1和Ar2是芳环基,Ar3是二价芳环基或二价杂环基,R1是烷基或芳环基,R2是氢原子,烷基或 芳环,n1为1或2,当n1 = 1时,R1和R2可能连接形成环; (B)具有由下式(2)表示的结构和不高于150℃的熔点的三芳基胺化合物。 (2)其中Ar4,Ar5和Ar6各自为芳环基或杂环基:(C)具有由下式(3)表示的结构和不高于155℃的熔点的腙化合物。 ; (3)其中R3是氢原子或烷基,R4和R5是烷基,芳烷基或芳香环基,n2是1或2,A是芳香环基,杂环基或-CH = C(R 6)R 7(R 6和R 7为氢原子,芳环基或杂环基,但不会同时为氢原子)。 感光构件抑制在形成保护层期间发生裂纹,具有高耐久性,并且没有任何图像缺陷。
    • 67. 发明授权
    • Remaining paper rewinding device in a printing system
    • 在打印系统中剩余的纸张倒卷装置
    • US5215276A
    • 1993-06-01
    • US808655
    • 1991-12-17
    • Katsumi AokiToshio Kansaku
    • Katsumi AokiToshio Kansaku
    • B41F13/02B65H19/10B65H19/14B65H19/18B65H19/24
    • B65H19/10
    • This invention relates to a remaining paper rewinding device for a paper feeding apparatus in a printing system. This device has a simple structure with a compact size, which can be easily assembled and whose maintenance can be easily carried out.The remaining paper rewinding device comprises a rotary shaft rotatively driven, a pair of Y-form paper roll support members which are oppositely arranged on the rotary shaft, a plurality of paper roll support stems each of which is pivotally arranged on the same circumference of the paper roll support member and in parallel to the rotary shaft so that the opposite support stems are aligned with each other, a plurality of drive units each of which is assembled on the paper roll support stem arranged on at least one side of the paper roll support members, and a drive power transmission unit which can be selectively engaged with the drive unit to transmit the rotating drive force from a power unit to the engaged drive unit.
    • 本发明涉及一种用于打印系统中的送纸装置的剩余纸张重绕装置。 该装置结构紧凑,结构紧凑,易于组装,维修方便。 剩余的复卷装置包括旋转轴旋转驱动的一对Y形纸辊支撑构件,其相对地布置在旋转轴上,多个纸卷支撑杆,每个纸辊支撑杆可枢转地布置在相同的圆周上 纸卷支撑构件并且平行于旋转轴,使得相对的支撑杆彼此对准,多个驱动单元,每个驱动单元组装在布置在纸卷支撑件的至少一侧上的纸卷支撑杆上 以及驱动动力传递单元,其能够选择性地与驱动单元接合,以将来自动力单元的旋转驱动力传递到接合的驱动单元。