Patent ID: 7409918
Filing Date: 2008-08-12
Classification: D05B

Abstract:
1. A walking foot for a sewing machine including a needlebar movable vertically, the walking foot being detachably attached to a lower end of a presser bar and comprising: a presser foot provided with a pair of right and left engagement supported portions; an upper feed dog feeding workpiece cloth in synchronization with vertical movement of the needlebar; a supporting member fixed to the lower end of the presser bar and provided with a pair of right and left engagement supporting portions supporting the presser foot; a swing supporting mechanism which engages the engagement supporting portions of the supporting member with the engagement supported portions of the presser foot from horizontally outside respectively so that the presser foot is supported on the supporting member so as to be swingable; and a disengaging mechanism which moves at least one of the engagement supporting portions horizontally outward from an engagement position where said at least one engagement supporting portion is in engagement with the engagement supported portion of the presser foot, thereby being capable of switching said at least one engagement supporting portion to a disengagement position where said at least one engagement supporting portion is disengaged from the supported portion of the presser foot.