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    • 7. 发明专利
    • Recording device
    • 录音设备
    • JPS6112557A
    • 1986-01-20
    • JP13467884
    • 1984-06-29
    • Ricoh Co Ltd
    • KOSHIISHI TAKAYASUTAKAOKA TATSUO
    • B41J15/04B65H16/02B65H23/34H04N1/00
    • B65H16/02B65H2301/4137
    • PURPOSE:To make a curl correctable steadily even if a roll diameter of recording paper varies, by installing a holder being energized upward and holding the roll recording paper movably, while making paper feeding to a curl correcting paper guide constant. CONSTITUTION:Roll recording paper 3 is made so as to be movably held by a holder 15 being energized upward with a spring installed on a spring holding plate 13, and when a roll diameter of the roll recording paper 3 becomes smaller, the holder 15 and the recording paper 3 are pushed upward with this diametral reduction. Therefore, in the roll recording paper 3, a state of paper feeding to a paper guide part 12 is constant all the time even when its roll diameter is large as well as when becoming smaller, so that it always comes into slidingly contact withthe paper guide part 12, thus a curl is corrected. At this time, since an upper part of the roll recording paper 3 touches a tension roller 16, there is no fear of making load larger and paper feeding takes place so smoothly, thus the occurrence of a paper jam or the like is well reduced.
    • 目的:即使记录纸的卷筒直径发生变化,也可以通过安装一个向上通电的保持器,并且使卷筒纸记录纸可移动地保持,同时使送纸到卷曲校正纸引导件恒定,使卷曲能够稳定地修正。 构成:将卷筒纸记录纸3制成为能够通过安装在弹簧保持板13上的弹簧向上方被保持件15可动地保持,并且当卷筒纸记录纸3的卷径变小时,保持器15和 记录纸3以这种直径减小被向上推。 因此,在卷筒纸记录纸3中,纸张导入部12的纸张供给状态即使在辊径大的情况下也变得越来越小,因此始终与纸张引导件滑动接触 部分12,因此卷曲被纠正。 此时,由于卷筒纸记录纸3的上部与张紧辊16接触,所以不用担心负荷较大,进纸顺利进行,因此卡纸等的发生被很好地减少。