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    • 52. 发明授权
    • Stacker for document cards
    • 文件卡堆垛机
    • US3659841A
    • 1972-05-02
    • US3659841D
    • 1970-11-04
    • IBM
    • RIGOTTI JAMES M
    • B65H29/22B65H31/14G06K13/14
    • G06K13/14B65H29/22B65H31/14B65H2301/4214B65H2402/541B65H2511/152B65H2515/30B65H2220/01B65H2220/08B65H2220/02
    • A stacker for document cards having a card receiving pocket, a rotatable roller yieldably disposed at the top of the pocket by means of a cantilever spring, and a supporting plate for the cards in the pocket and yieldably held from downward movement in the pocket by means of a spring of the constant tension type, that is, a coiled spring so constructed as to provide a return force that is constant per unit of width as the spring is unwound from the coil. The spring applied to the supporting plate has a relatively narrow terminal portion which is effective for providing a certain force on the supporting plate for the first portion of the stack of cards formed in the pocket and has a relatively wide portion providing a somewhat higher force on the supporting plate for later cards being stacked in the pocket. As the cards enter the pocket, they deflect the cantilever spring while making contact with the roller; and the spring and roller move the cards and the supporting plate downwardly in the card pocket, with the spring preventing a jamming of the cards initially as they enter the pocket and also preventing a subsequent movement of the card stack away from the roller as the card stack increases in height so that the roller continues to control the cards as they enter the pocket.
    • 用于具有卡接收袋的文件卡的堆垛机,通过悬臂弹簧可靠地设置在口袋的顶部的可旋转辊,以及用于在口袋中的卡的支撑板,并且通过装置可靠地保持在口袋中的向下移动 一种恒定张力型的弹簧,即一种螺旋弹簧,其被构造成当弹簧从线圈展开时提供每单位宽度恒定的回复力。 施加到支撑板上的弹簧具有相对较窄的端子部分,其有效地在形成在口袋中的卡片堆叠的第一部分的支撑板上提供一定的力,并且具有相对较宽的部分, 用于稍后卡的支撑板堆叠在口袋中。 当卡片进入口袋时,它们在与辊子接触的同时偏转悬臂弹簧; 并且弹簧和滚筒将卡片和支撑板向下移动到卡槽中,弹簧防止卡片在进入口袋时最初卡住,并且还阻止卡片堆随着卡片的移动远离滚筒,因为卡片 堆叠高度增加,使得辊在进入口袋时继续控制卡。