Patent ID: 6021727
Filing Date: 2000-02-08
Classification: D05B

Abstract:
An upper thread-hooking device for industrial sewing machines having a presser foot and a needle longitudinally displaced reciprocatingly with respect to the presser foot, the needle having an eye with a thread passing therethrough, said device comprising:an electronic component having a displaceable end actuated responsive to the needle being maximally displaced above the presser foot;linkage means coupled to said displaceable end of said electronic component for transferring movement of said displaceable end; and,a hooking member coupled to said linkage means and disposed laterally from a longitudinal axis of the needle and at an elevation between the eye of the needle and a point of the needle when the needle is maximally displaced above the presser foot, said hooking being linearly displaced by said linkage means to hook the thread passing through the eye of the needle.