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1. 发明授权

US4438791A Weft thread-selection apparatus for a weaving machine 失效
标题翻译：用于织机的纬纱选纱装置
公开(公告)号：US4438791A
公开(公告)日：1984-03-27
申请号：US381569
申请日：1982-05-24
申请人： Gerhard Oesterle , Rudolf Jaeger , Wilhelm Hutter , Elmar Zanol
发明人： Gerhard Oesterle , Rudolf Jaeger , Wilhelm Hutter , Elmar Zanol
IPC分类号： D03D47/38
CPC分类号： D03D47/38
摘要： A weft thread-selection apparatus for a weaving machine or loom comprises a carrier or support element which oscillates or pivots in cycle with the weft thread-insertion frequency. The oscillatable support element carries at its free end a number of electromagnetic devices, for instance electromagnets corresponding to the number of thread infeed rods and is rotatably supported at its other end for pivotal movement about a shaft. This shaft simultaneously constitutes the pivot point for oscillatable or pivotal arm members, each of which is retained under the action of spring means in its preparatory position. Each of the oscillatable or pivotal arm members is hingedly connected at its free end with one of the thread infeed rods and each oscillatable arm member carries a magnet armature intended to cooperate in a coupling fashion with one of the electromagnets. The row of electromagnets extends below the oscillatable or pivotal arm members. The electromagnets, when magnetically coupled with the magnet armatures located at the oscillatable arm members, drag these arm members into their thread transfer position. These measures afford a particularly simple and robust, easy to control weft thread-selection apparatus.
摘要翻译：用于织造机或织机的纬纱选择装置包括以纬纱插入频率周期振荡或枢转的载体或支撑元件。可摆动的支撑元件在其自由端处承载多个电磁装置，例如对应于线进给杆的数量的电磁体，并且在其另一端被可旋转地支撑以围绕轴枢转运动。该轴同时构成用于可摆动或枢转臂构件的枢转点，每个构件在弹簧装置的作用下保持在其准备位置。每个可摆动的或枢转的臂构件在其自由端处与其中一个螺纹进给杆铰接地连接，并且每个可摆动臂构件承载旨在以与电磁体之一的联接方式协作的磁体衔铁。电磁铁列延伸到可摆动或枢转的臂构件的下面。当与位于可摆动臂构件处的磁体电枢磁耦合时，电磁体将这些臂构件拖到其线传送位置。这些措施提供了一种特别简单和坚固，易于控制的纬纱选丝装置。

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