Patent ID: 7036343
Filing Date: 2006-05-02
Classification: D04B

Abstract:
1. A striping apparatus of a circular knitting machine, comprising: a controller, a yarn-feed unit, and a drive unit, wherein said controller is driven by a selector that rotates around the knitting portion of said circular knitting machine, and characterized in: that said yarn-feed unit has two portions; the first portion further comprises: a yarn-changing plate, a first connecting rod and a second connecting rod, and is used to feed a yarn Y to a yarn-entering position; the second portion further comprises: a movable blade and a driving link, and is used to clip the tail end of the yarn Y in standby state and to cut off an old yarn when changing a yarn in order to release said old yarn from fabric and restore said standby state; and that said drive unit and said selector rotate around the knitting portion of said circular knitting machine; said drive unit further comprises: a first cam set, a second cam set; said yarn-changing plate and said movable blade are separately actuated by said first cam set and said second cam set; said first cam set and said second cam set further respectively comprise forward cams and backward cams; said forward cam of said first cam set is responsible for pushing said yarn-changing plate to an external position; said forward cam of said second cam set is responsible for pushing said movable blade to an external release position; said backward cam of said first cam set is responsible for pulling said yarn-changing plate back to a normal position; said backward cam of said second cam set is responsible for pulling said movable blade back to a normal holding position.