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Heddle frame actuating mechanism located between a dobby and the heddle frames of a weaving machine
Heddle frame actuating mechanism located between a dobby and the heddle frames of a weaving machine
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机译:位于织机的多臂和综框之间的综框致动机构
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摘要
In an attempt to form a compact arrangement of a control unit for a weaving machine, according to U.S. Pat. No. 3,759,298, undesired distortions result in the sequence of movement of the heddle frame due to the installation of a short connecting rod. To prevent this, the heddle frame actuating mechanism has one double arm lever pivotally supported on an arm of a further double arm lever, a connecting rod hingedly connected at its one end to a still further double arm lever. The arm of the further double arm lever and the arm of the one double arm lever are in alignment rectilinearly in the center-shed position and are together equal in length to the length of a first arm of the still further double arm lever, so that these two arms, the connecting rod and a connecting line extending between the fixedly arranged pivot axles for the further double arm lever and the still further double arm lever form a parallelogram.
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