Patent ID: 6270032
Filing Date: 2001-08-07
Classification: D04B

Abstract:
A variable or steady yarn feeding apparatus comprising:a support threadedly secured on a knitting machine;a drive means provided the support driven by a plurality of belts;a first adjustable yarn brake means having a disk tension means and a detecting arm provided on a lead-in yarn path for controlling a yarn tension and detecting a break thereof;a variable yarn supply drum driven by the drive means having a high friction resilient yarn guide surface;a steady yarn supply drum provided below the variable yarn supply drum driven by the drive means having a low friction yarn guide surface;a yarn guide means having a plurality of eyes provided thereon for guiding the yarn from the variable yarn supply drum to the steady yarn supply drum;a self-adjustable yarn guide means including a movable arm having one end pivotedly mounted on the self-adjustable yarn guide means, and a guide eye provided on the other free end, the self-adjustable yarn guide means provided below the support and positioned adjacent to the variable yarn supply drum by a predetermined distance, the free end of the movable arm of the self-adjustable yarn guide means is away from the variable yarn supply drum in a no demand condition by an expansion of a spring provided therein, while the free end of the movable arm of the self-adjustable yarn guide means is in contact with the surface of the variable yarn supply drum when there is a yarn demand; anda second adjustable yarn brake provided on an end of a pay-out yarn path for adjusting the yarn tension when a plurality of different yarns having different tensions are knitted.