| 摘要 |
In the present invention, disclosed is a device for supporting a lower axis in a sewing machine which comprises a main body whose upper part is an angle arm and lower part is a bed; an upper axis which is installed along with the angle arm to move a lock stitch needle upward and downward; and a device for supporting a lower axis which is installed in the main body to be mutually connected to the upper axis, wherein the device for supporting a lower axis has at least one casting bushing on the bed so that the lower axis is installed along with the bed; holes which are formed on the casting bushing; and a fixing part which supports the both end parts of the lower axis in the bed to be rotated by penetrating the hole. In the present invention, the device for supporting a lower axis directly supports the lower axis with no use of a separate bearing metal bush through the casting bushing integrated into the bed in a simple manner. |
