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    • 98. 发明公开
    • Dobby
    • 多臂
    • EP0114931A3
    • 1984-10-17
    • EP83109283
    • 1983-09-19
    • KABUSHIKI KAISHA YAMADA DOBBY
    • Mizuguchi, Hiroyuki
    • D03C01/14
    • D03C1/148D03C1/144
    • A dobby (10) including a vertical lever (18) connected with a heald frame (12) and having hook levers (28a, 28b) respectively and pivotally secured to both ends thereof, knife hooks (32a, 32b) respectively and pivotally attached to both ends of a swing lever (34a, 34b), which is swung in such a way that both ends thereof move alternately toward and away from the vertical lever (18), and engageable with their corresponding hook levers (28a, 28b), and a command device adapted to control the engagement between the hook levers (28a, 28b) and their corresponding knife hooks (32a, 32b) so as to move the heald frame (12) up and down for production of fabric of a desired pattern. The knife hooks (32a, 32b) are eccentrically and pivotally secured on their corresponding end portions of the swing lever (34a, 34b) in order to ensure smooth engagements between the hook levers (28a, 28b) and their corresponding knife hooks (32a, 32b) without developing any excessive swinging of the swing lever (34a, 34b). Each of the knife hooks (32a, 32b) is actuated in such a manner that, when its corresponding end portion of the swing lever (34a, 34b) assumes its most-advanced position relative to the vertical lever (18), the knife hook (32a, 32b) provided at its corresponding end portion of the swing lever (34a, 34b) assumes an eccentric position biased toward its corresponding hook lever (28a, 28b).
    • 包括与综框(12)连接并分别具有钩杆(28a,28b)并枢转地固定到其两端的垂直杆(18),多个刀钩(32a,32b)的多臂提手(10),其枢转地连接到 摆动杆(34a,34b)的两端摆动,其两端交替地朝向和远离垂直杆(18)移动,并可与其相应的钩杆(28a,28b)接合,以及 命令装置适于控制钩杆(28a,28b)与其相应的刀钩(32a,32b)之间的接合,从而上下移动综框(12)以生产所需图案的织物。 为了确保钩杆(28a,28b)和它们相应的刀钩(32a,32b)之间的平滑接合,刀钩(32a,32b)偏心并可枢转地固定在摆动杆(34a,34b)的相应端部上, 32b)而不会产生摆动杆(34a,34b)的过度摆动。 每个刀钩(32a,32b)以这样的方式致动,即当摆动杆(34a,34b)的相应端部相对于竖直杆(18)处于其最前进位置时,刀钩 设置在摆动杆(34a,34b)的相应端部处的偏心位置(32a,32b)呈现偏向其对应的钩杆(28a,28b)的偏心位置。