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    • 8. 发明授权
    • Method and apparatus for detecting and separating out overweight letters
    • 用于检测和分离超大写字母的方法和装置
    • US3648839A
    • 1972-03-14
    • US3648839D
    • 1970-11-06
    • BURROUGHS CORP
    • BRADSHAW ROBERT SGOLDEN DONALD MSHAPIRO MARVIN
    • B07C5/16B07C5/20
    • B07C5/165
    • A method and apparatus for separating out overweight letters, wherein the letters are transported serially on their longitudinal edges at a controlled speed into a pinch roller pair driven by a constant torque clutch at a tangential velocity greater than the linear speed of the letters immediately prior to entry into the pinch rollers. The loss of rotational velocity of the pinch rollers caused by the mass of the slower moving letter is automatically compared against a standard loss of rotational velocity by the pinch roller pair for a letter of maximum allowable mass for a given postage, and overweight letters are automatically gated out of the transport stream.
    • 一种用于分离超重字母的方法和装置,其中字母以其受控的速度在其纵向边缘上串行地传送到由恒定转矩离合器驱动的夹送辊对中,该夹紧辊对以大于立即前面的字母的线速度的切线速度 进入夹送辊。 由较慢的移动字母的质量引起的夹送辊的旋转速度的损失与针对给定邮资的最大允许质量字母的夹送辊对的标准旋转速度损失进行自动比较,并且超重字母自动地 门外的运输流。