Patent ID: 6712015
Filing Date: 2004-03-30
Classification: D05B

Abstract:
An oblique thread-guiding link of a sewing machine, comprising:(a) a swing arm having a sleeve section formed with a central axial shaft hole, a pivot shaft being snugly tightly fitted in the shaft hole, a front swing arm forward radially projecting from the middle of outer circumference of the sleeve section, a rear swing arm rearward radially projecting from the middle of outer circumference of the sleeve section, (b) a needle holder mechanism coupled with a front end of the front swing arm; (c) a driving mechanism coupled with a rear end of the rear swing arm; (d) a thread-guiding fixing seat, a first end of the thread-guiding fixing seat being fixedly connected with one end of the pivot shaft; and (e) a thread-guiding bar fixedly mounted on the thread-guiding fixing seat and formed with multiple thread-guiding eyelets, said oblique thread-guiding link being characterized in that two ends of the pivot shaft fitted in the swing arm are obliquely pivotally mounted in two opposite sidewalls of the sewing machine, the central axes of the front and rear swing arms coinciding with each other, the front end of the front swing arm being positioned above the needle holder mechanism and aligned and coupled therewith, the rear end of the rear swing arm being positioned above the driving mechanism and aligned and coupled therewith.