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    • 14. 发明授权
    • Paper tray support and paper feed for reproduction apparatus
    • 纸盘托盘和进纸装置
    • US5069438A
    • 1991-12-03
    • US604266
    • 1990-10-29
    • Carl T. UrbanJames B. Gahan
    • Carl T. UrbanJames B. Gahan
    • B65H1/04
    • B65H1/266B65H1/04B65H2405/15
    • A paper cassette support and associated paper feed for reproduction apparatus are assembled as a module. The paper cassette support is made of a resinous material which includes carbon fibers to minimize the deposit of electrostatic charge and self-lubricating material for providing bearings which are molded unitarily with the side panels. The side panels, when assembled, define a cassette support section and a paper transport section, the cassette support section having shelves and cassette retaining springs molded therein. Paper transport slots are molded into step portions of the side panels, as are bearings and spring retainers for shafts and spindles supporting pairs of rollers. An associated feed drive includes output shafts for rotating D-rollers that frictionally advance paper one sheet at a time from paper stacks in cassettes received in the paper cassette support section. Each feed drive includes a magnetic clutch which is selectively activated by a power supply and limits the D-rollers to one rotation. This accomplished by a cam wheel which is rotated upon engagement of the magnetic clutch and assumes control of the power supply after rotation of the output shaft is initiated. The cam wheel interrupts power to the magnetic clutch upon completion of one revolution, stopping rotation of the activated output shaft.
    • 用于再现设备的纸盒支架和相关的供纸装置被组装成模块。 纸盒支撑件由包括碳纤维的树脂材料制成,以最小化静电荷的沉积和用于提供与侧板一体模制的轴承的自润滑材料。 侧板在组装时限定盒支撑部分和纸张传送部分,盒支撑部分具有模制在其中的搁架和盒保持弹簧。 纸张输送槽被模制成侧板的台阶部分,以及用于支撑成对辊的轴和主轴的轴承和弹簧保持器。 相关联的进给驱动器包括用于旋转D辊的输出轴,其一次一张地将纸张堆叠在纸盒支撑部分中的纸盒中摩擦推进。 每个进给驱动器包括一个电动离合器,该离合器由电源选择性地启动,并将D辊限制为一个旋转。 这是通过在电磁离合器接合时旋转并在输出轴转动之后控制电源的凸轮实现的。 一轮完成后,凸轮切断电磁离合器的电源,停止激活的输出轴的旋转。