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    • 1. 发明授权
    • Adjustment device for feeding cloth in a cloth transport mechanism for a
sewing machine
    • 用于缝纫机布料输送机构中的布料调节装置
    • US5018467A
    • 1991-05-28
    • US443360
    • 1989-11-30
    • Antonio JimenezPierre-Maurice Rochat
    • Antonio JimenezPierre-Maurice Rochat
    • D05B27/02D05B27/22F16H21/20
    • F16H21/20D05B27/22
    • An adjustment device for the amplitude and direction of feed of cloth in a cloth transport mechanism for a sewing machine comprises a slideway centered on a trajectory in contact with a pivot pin between a connecting rod integral with an eccentric of a drive shaft and a short connecting rod linked to a lever associated with one end of the cloth transport member. This slideway may be oriented about a point situated in the middle of the trajectory of the pivot point to modify the inclination of the trajectory, and, in this way, the amplitude and the direction of the feed. To avoid any play between the slideway and the pivot pin, this latter carries two rollers in the shape of truncated cones, and the slideway has two tracks, inner and outer, displaced axially along the axis of pivoting in such a manner that each roller can only be put in contact with one of the two tracks by a resilient pressure and can roll without slipping against it.
    • 一种用于缝纫机的布料输送机构中的织物进给幅度和方向的调节装置包括一个滑轨,该滑道以与枢轴销接触的轨迹为中心,该连接杆与驱动轴的偏心体成一体, 杆连接到与布传送构件的一端相关联的杆。 该滑道可以围绕位于枢转点的轨迹中间的点定位,以改变轨迹的倾斜度,并且以这种方式来改变进给的幅度和方向。 为了避免滑轨和枢轴销之间的任何间隙,后者承载两个圆锥体形状的滚子,并且滑道具有两个轨道,内部和外部沿着枢转轴线轴向移动,使得每个滚筒可以 只能通过弹性压力与两个轨道中的一个接触,并且可以不滚动而滚动。