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    • 19. 发明授权
    • Driving device for feeding material to be sewn in a sewing machine
    • 用于在缝纫机中缝制物料的驱动装置
    • US6095070A
    • 2000-08-01
    • US269863
    • 1999-04-01
    • Johannes Sahl
    • Johannes Sahl
    • D05B27/14D05B69/02D05B69/16
    • D05B27/14
    • A drive means for feeding a material to be sewn on a sewing machine (1) includes a feed dog (7) to be coupled to a continuous rotary drive (9) via at least one intermediate drive. To achieve optimum drive conditions in a comparatively simple way, the intermediate drive consists of a belt drive (10) with a belt (13) circulating around a drive wheel (11) and a driven wheel (12), where the belt (13) having an excess length is guided over a control roller (14) at the working portion thereof (131) and over a tension roller (15) at the return portion (132) thereof, and the control roller (14) and the tension roller (15) are mounted so as to be periodically reciprocated in the sense of a release or deflection of the belt (13) for decelerating, stopping and accelerating the rotation of the driven wheel, and the driven wheel (12) is in rotary connection with a feed dog (7) designed as circular conveyor, in particular as conveyor belt (20).
    • PCT No.PCT / AT97 / 00213 Sec。 371日期1999年4月1日 102(e)1999年4月1日PCT 1997年10月6日PCT PCT。 出版物WO98 / 15678 日期1998年04月16日用于将要缝制的缝合材料送入缝纫机(1)的驱动装置包括通过至少一个中间驱动器连接到连续旋转驱动器(9)的进给爪(7)。 为了以相对简单的方式实现最佳的驱动条件,中间驱动装置包括具有围绕驱动轮(11)和从动轮(12)循环的带(13)的带驱动器(10),其中带(13) 具有多余的长度在其工作部分(131)处的控制辊(14)上并且在其返回部分(132)处的张紧辊(15)和控制辊(14)和张紧辊 15)被安装成在带(13)的释放或偏转的意义上周期性地往复运动,用于减速,停止和加速从动轮的旋转,并且从动轮(12)与 输送带(7)设计为圆形输送机,特别是输送带(20)。