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专利名称：Yarn feed means发明人：GRIFFITH; JOHN DALTON申请号：US44077374申请日：19740208公开号：US39071A公开日：19750923
摘要：A device for feeding textile yarn and including an adjustable diameter pulleywhich has a pair of opposed pulley elements with interengaging conical faces, each facehaving alternating segmental portions, and means for moving the pulley elements axiallyrelative to each other to increase or decrease the effective pulley diameter. The pulleyelements are mounted on and rotatable with a mounting shaft and spring biased apartand capable of being locked in any adjusted position of the interengaging conical facesby a conical ended screw and complementary shaped hole between one element and theshaft.
申请人：GRIFFITH; JOHN DALTON
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