Patent ID: 8701577
Filing Date: 2014-04-22
Classification: D05B

Abstract:
1. A sewing machine with an adjusting structure capable of controlling swing center of a swing arm, the sewing machine including a suspension arm, the suspension arm being provided at a free end thereof with a presser foot shaft, and the presser foot shaft including a presser foot at a bottom thereof, in the suspension arm being disposed a travel sensing apparatus including a sensor and a swing arm assembly, the swing arm assembly including a main body for turning on/off the sensor and a sliding element having a first end slidably engaged in the main body, a second end of the sliding element extending toward the presser foot and being actuated when the presser foot moves to a start point and an end point of a travel; a pivot shaft disposed in the suspension arm; a pivotal portion being disposed on the main body of the suspension arm assembly; and an adjusting apparatus being provided on the pivotal portion with a sliding groove and a sliding block, and the sliding groove and the sliding block being allowed to horizontally slide with respect to each other.