Patent ID: 8387547
Filing Date: 2013-03-05
Classification: D05B

Abstract:
1. A top feeder arrangement for a sewing machine provided with a processor for controlling stitches sewn on a cloth, said sewing machine having a sewing machine head comprising: a needle mechanism having a needle bar provided with a needle, a presser bar provided with a presser foot, and a top feeder arm provided at its lower end with a top feeder acting from an upper surface of a cloth for feeding the cloth in the sewing direction, characterized in that the sewing machine is provided with a mechanism providing a controllable pressure of the top feeder against the cloth, the mechanism comprising: a substantially vertically mounted top feeder bar, a dog member slidably arranged to said top feeder bar and said top feeder arm being pivotally attached to the dog member, a sleeve member slidably arranged along said top feeder bar, and a resilient member attached between said sleeve member and said dog member, wherein said top feeder pressure is controlled by means of a displacement of said sleeve member.