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    • 5. 发明授权
    • Pin belt type paper tractor
    • 针式纸拖拉机
    • US4807792A
    • 1989-02-28
    • US914126
    • 1986-10-01
    • Akio TajimaSatoshi Tada
    • Akio TajimaSatoshi Tada
    • B41J11/30G03B1/30
    • B41J11/30
    • A pin belt type paper tractor comprises a drive shaft rotatively driven at the time of feeding a recording paper, a belt driving wheel fitted slidably in the axial direction on the drive shaft for the rotation therewith, and a chassis body for pinching the belt driving wheel from the opposite sides thereof. The chassis is movable in the widthwise direction of a recording paper and is in engagement slidably at its peripheral portion with a fixed support frame having a length not less than the paper width. A rotary member is rotatably supported by the chassis body and an endless belt is engaged between and around the belt driving wheel and rotary member. The endless belt is provided on its outer peripheral surface with a plurality of pins brought into engagement with the perforations of the recording paper. A paper holding cover is pivotably attached to the chassis body in open and close directions.
    • 销带式纸拖拉机包括在供给记录纸时可旋转地驱动的驱动轴,沿轴向可滑动地安装在驱动轴上用于旋转的传动轴,以及用于夹紧皮带驱动轮的底架 从其相对侧。 底盘可以在记录纸的宽度方向上移动,并且在其周边部分可滑动地具有不小于纸张宽度的长度的固定支撑框架。 旋转构件由底盘主体可旋转地支撑,并且环形带接合在带驱动轮和旋转构件之间和周围。 环形带在其外周表面上设置有与记录纸的穿孔接合的多个销。 纸张保持盖在打开和关闭的方向可枢转地附接到底盘主体。