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    • 4. 发明授权
    • Tensioner for an endless transmitting member
    • 张紧器为无尽的传递构件
    • US5913742A
    • 1999-06-22
    • US911279
    • 1997-08-14
    • Kensuke NakamuraKouji HiranoTomoki OkitaShinji YamadaFuminori Kawashima
    • Kensuke NakamuraKouji HiranoTomoki OkitaShinji YamadaFuminori Kawashima
    • F02B67/06F16H7/08
    • F16H7/0848F02B67/06F16H2007/0806F16H2007/0853F16H2007/0859F16H2007/0885F16H2007/0891
    • A tensioner for an endless transmitting member is provided to reliably prevent the loosening of an endless chain, while preventing the occurrence of an incorrect meshing of the endless chain with sprockets. A plunger holder is biased in an advancing direction by the action of a first spring supported in a housing, and a plunger, carried in the plunger holder, is biased in an advancing direction by the action of a second spring having a spring constant larger than that of the first spring. Only the movement of the plunger holder in the advancing direction is permitted by a ratchet mechanism mounted between the plunger holder and the housing. During operation of the engine, the advancing movement of the plunger holder is inhibited by the hydraulic pressure transmitted to a hydraulic pressure chamber, and the plunger is advanced and retracted in accordance with a variation in tension of the endless chain. When the engine is stopped, the ratchet mechanism is operated in accordance with the elongation of the endless chain due to wearing to advance the plunger holder one pitch at a time along with the plunger.
    • 提供用于无端传递构件的张紧器,以可靠地防止环形链条的松动,同时防止环链与链轮的不正确啮合的发生。 柱塞保持器通过支撑在壳体中的第一弹簧的作用沿前进方向偏置,并且承载在柱塞保持器中的柱塞通过弹簧常数大于第二弹簧的第二弹簧的作用沿前进方向偏置 第一个春天。 通过安装在柱塞保持器和壳体之间的棘轮机构,允许柱塞保持器在前进方向上的移动。 在发动机工作期间,通过传递到液压室的液压阻止柱塞保持器的前进运动,并且柱塞根据环形链的张力变化而前进和缩回。 当发动机停止时,棘轮机构根据环形链的伸长而由于磨损而一起操作,以使柱塞保持架一次与柱塞一起推进。
    • 6. 发明授权
    • Developing device using developer regulating blade having two curved
portions
    • 显影装置使用具有两个弯曲部分的显影剂调节片
    • US5185632A
    • 1993-02-09
    • US774187
    • 1991-10-10
    • Minoru YoshidaKouji Hirano
    • Minoru YoshidaKouji Hirano
    • G03G15/08
    • G03G15/0812
    • A device for developing a latent image on a photosensitive drum in an image forming apparatus, includes a developing roller for supplying a developing agent to the image carrier and a blade for forming a layer of the developing agent on the developing roller. The blade has a curved portion pressing the surface of the developing roller for controlling the thickness of the developing agent layer and for applying a frictional charge to the developing agent on the developing roller. The curved portion includes a first curved surface having a first radius R1 which contacts the surface of the developing roller and a second curved surface having a second radius R2. The relationship between the first and second radius is R1>R2.
    • 用于在图像形成装置中的感光鼓上显影潜像的装置包括用于向图像载体提供显影剂的显影辊和用于在显影辊上形成显影剂层的刮板。 刀片具有压制显影辊表面的弯曲部分,用于控制显影剂层的厚度并向显影辊上的显影剂施加摩擦电荷。 弯曲部分包括具有与显影辊的表面接触的第一半径R1和具有第二半径R2的第二弯曲表面的第一弯曲表面。 第一和第二半径之间的关系为R1> R2。
    • 7. 发明授权
    • Conveyor belt packing and shipping device
    • 输送带皮带包装和运输装置
    • US5137152A
    • 1992-08-11
    • US680537
    • 1991-04-04
    • Akira OgoseRyouji SegawaKouji Hirano
    • Akira OgoseRyouji SegawaKouji Hirano
    • B65D85/66
    • B65D85/66
    • A packing device for transporting a long conveyor belt, and a conveyor belt wound over and across a pair of components of the packing device. The packing device has a pair of bobbins each comprising a take-up drum with radially extending discs fixed to both the ends thereof, and a long conveyor belt is wound over the respective bobbins with approximately the same turns on each bobbin. An opening for a shaft for rotation is provided in the center of each of the bobbins, and outwardly-directed ring-shaped flanges are provided around the circumference of each opening and in the periphery of each disc, respectively. The top ends of the ring-shaped flanges around the opening and in the periphery are bent towards each other, forming L-shaped portions in section.
    • 用于输送长输送带的包装装置和卷绕在包装装置的一对部件上并穿过该输送带的输送带。 包装装置具有一对筒管,每个筒管包括卷绕滚筒,该卷取滚筒的径向延伸的盘固定在其两端,并且长的输送带以相当的绕线筒卷绕在相应的筒管上。 在每个线轴的中心设置有用于旋转的轴的开口,并且分别在每个开口的圆周和每个盘的周边中设置向外的环形凸缘。 围绕开口和周边的环形凸缘的顶端彼此弯曲,形成L形部分。
    • 8. 发明授权
    • Transferring device and image forming apparatus equipped with mult-mode cleaning arrangement
    • 装有多模清洗装置的传送装置和成像装置
    • US06311031B1
    • 2001-10-30
    • US09507901
    • 2000-02-22
    • Kouji Hirano
    • Kouji Hirano
    • G03G1516
    • G03G15/168G03G2215/1661
    • A transferring device of the present invention includes a transferring belt configured to electrostatically adsorb an image receiving medium and convey the image receiving medium in one direction, a transferring device for transferring a toner image on a photosensitive body onto the image receiving medium adsorbed electrostatically to the transferring belt, a cleaning blade arranged so as to be able to contact/separate with/from the transferring belt and clean toner on the transferring belt when brought in contact with the transferring belt, and a cleaning brush arranged so as ato be able to contact/separate with/from the transferring belt at the downstream side in the conveying direction lower than the cleaning blade and clean the toner on the transferring belt when brought in contact with the transferring belt. The transferring device further includes a control unit to control a switching between a first mode to bring the cleaning blade contact with the transferring belt at the time of starting to use and a second mode to separate the cleaning blade from the transferring belt and bring a cleaning brush in contact with the transferring belt when the running distance of the transferring belt reaches a prescribed value.
    • 本发明的转印装置包括:转印带,被配置为静电吸附图像接收介质并在一个方向上传送图像接收介质;转印装置,用于将感光体上的调色剂图像转印到静电吸附的图像接收介质上, 传送带,设置成能够与传送带接触/分离的清洁刮板,当与传送带接触时清洁转印带上的调色剂;以及清洁刷,其布置成能够接触 在输送方向下游侧的转印带与转印带分离,并且当与转印带接触时清洁转印带上的调色剂。 传送装置还包括控制单元,用于控制在开始使用时使清洁刮板与传送带接触的第一模式与第二模式之间的切换,以将清洁刮板与传送带分离并进行清洁 当传送带的行驶距离达到规定值时,与传送带接触。
    • 10. 发明授权
    • Image forming apparatus, and developing device and method used in the same
    • 图像形成装置及其使用的显影装置及方法
    • US06694111B1
    • 2004-02-17
    • US10216357
    • 2002-08-12
    • Kouji Hirano
    • Kouji Hirano
    • G03G1506
    • G03G15/0815G03G2215/0617
    • Developing device and method in an image forming apparatus are provided which can make it possible maintaining stabilized image by accurately controlling a toner carry amount. A developing roller is supplied with toner from a toner feed roller to form thereon a toner layer by application of a bias voltage to a toner layer forming member which is in pressing contact with the developing roller. When the operation is started (S1), the current flowing from the toner layer forming blade is detected for a predetermined length of time (S2). Based on the detected result, the current toner carry amount is selected, through the operation of CPU and ROM of a controller, from data D which are previously written in ROM (S3). If the selected toner carry amount is determined as an acceptable level that represents a predetermined amount or more (step 4), printing operation is started as it is. On the other hand, if the selected toner carry amount is determined as an unacceptable level that is less than the above predetermined amount, the toner carry amount is increased by an amount corresponding to the shortfall by selecting an appropriate feed bias (S5, S6).
    • 提供了一种图像形成装置中的显影装置和方法,其可以通过精确地控制调色剂携带量来保持稳定的图像。 从调色剂供给辊向显影辊供给调色剂,通过向与显影辊压接的调色剂层形成部件施加偏压而在其上形成调色剂层。 当开始操作(S1)时,检测从调色剂层形成刮刀流出的电流达预定的时间长度(S2)。 基于检测结果,通过控制器的CPU和ROM的操作,从先前写入ROM的数据D(S3)中选择当前的调色剂携带量。 如果所选择的调色剂携带量被确定为表示预定量以上的可接受水平(步骤4),则开始打印操作。 另一方面,如果所选择的调色剂携带量被确定为小于上述预定量的不可接受的水平,则通过选择适当的进给偏压(S5,S6)将调色剂携带量增加相应于缺口的量, 。