Patent ID: 6167825
Filing Date: 2001-01-02
Classification: A41B,A41D,D05B

Abstract:
Equipment for conventional overlooks comprising a throat plate with needle slots and with a stitch finger on a line of a cut feeders for feeding needle threads and a looper thread; a twin needle fed with the needle threads; an upper looper and a lower looper, one of which is fed with a looper thread, the other being a spreader; a throat plate having two slots for the needles said stitch finger being positioned adjacent one of said two slots said stitch finger having a width for forming seam stitches and comprises, in an area where stitch loops are formed, a portion with approximately parallel sides before a final narrowing and is reduced, i.e. made thinner on underside to make way for movements of the lower looper; and said looper thread pull-off member is arranged to increase an amount of looper thread pulled off by it each time; looper thread pull-off member which is a thread-pulling arm oscillating with said twin needle, said looper thread pull-off member is positioned on a needle bar of said twin needle at an angle which is further forward in a direction in which the twin needle moves down, in such a way as to increase an active stroke of said pull-off member and thereby increase an amount of the looper thread pulled off at each stroke.