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    • 1. 发明授权
    • Pin tractor
    • 拖拉机
    • US4614287A
    • 1986-09-30
    • US737539
    • 1985-05-24
    • Toshihiko UenoSadao Tanimoto
    • Toshihiko UenoSadao Tanimoto
    • B41J11/30B65H20/20G03B1/30
    • B41J11/30B65H20/20
    • Pin tractors which are used in various printers, typewriters, etc. for use as output devices for electronic computers, especially for personal computers. This pin tractor has a synthetic resin frame around which a belt carrying pins is wound revolvably and a presser member made of synthetic resin supported revolvably by said frame. Blank paper having feed perforations at its both edges is held between said frame and said presser member. Pins of said belt carrying pins are engaged with feed perforations of blank paper for feeding blank paper. Said presser member has pawl parts and said frame has concaves to correspond to said pawl parts. Said pawl parts are fitted in said concaves to keep said presser member opened in the specific degree.
    • 用于各种打印机,打字机等的拖拉机用作电子计算机的输出设备,特别是用于个人计算机。 该销子拖拉机具有合成树脂框架,围绕该合成树脂框架,带状承载销可旋转地卷绕,并且由合成树脂制成的压紧构件由所述框架可旋转地支撑。 在其两个边缘处具有进给穿孔的空白纸张保持在所述框架和所述按压构件之间。 所述皮带承载销的销与空白纸的进给穿孔接合以供给空白纸。 所述压脚构件具有棘爪部分,并且所述框架具有对应于所述棘爪部分的凹部。 所述棘爪部件装配在所述凹部中,以使所述按压部件保持特定的程度。