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    • 3. 发明授权
    • Sheet feeding apparatus with cooperating endless belts
    • 具有合作环形带的送纸装置
    • US4697944A
    • 1987-10-06
    • US945050
    • 1986-12-22
    • John A. PeeblesJames D. Swinton
    • John A. PeeblesJames D. Swinton
    • B65H5/02G07F19/00B41J13/08
    • B65H5/023B65H5/026G07F19/20G07F19/201B65H2404/261
    • A sheet feeding apparatus includes a first elongated drive belt assembly (52) which is driven by, and is pivotable about the axis of, a first drive shaft (86) mounted adjacent one end of this assembly (52), and a second elongated drive belt assembly (50) which is mounted in coopertive relationship with respect to the first belt assembly (52) and which is driven by, and pivotable about the axis of, a second drive shaft (72) spaced inwardly from both ends of the second belt assembly (52). The two belt assemblies (50, 52) are pivotally movable under the control of a single solenoid between closed positions in which the belt assemblies are in cooperative relationship with respect to each other for feeding a sheet therebetween towards an exit solt (26), and open positions in which the cooperating surfaces of the belt assemblies (50, 52) are spaced apart to facilitate the entry of a sheet between the belt assemblies (50, 52) at an entry location (169).
    • 片材进给装置包括第一细长驱动带组件(52),该第一细长驱动带组件由邻近该组件(52)的一端安装的第一驱动轴(86)驱动并且可绕其轴线枢转,第二细长驱动 带组件(50),其相对于第一带组件(52)协调地安装,并且由第二传动轴(72)的轴线驱动并绕第二传动轴(72)枢转,第二驱动轴从第二传动带的两端向内间隔开 组件(52)。 两个皮带组件(50,52)在闭合位置之间的单个螺线管的控制下可枢转地运动,在该位置中,皮带组件相对于彼此具有协作关系,用于将片材向着出口索具(26)输送,并且 打开位置,其中带组件(50,52)的配合表面间隔开,以便于片材在入口位置(169)处在带组件(50,52)之间进入。