| 摘要 |
<p>A sewing machine includes a main body (1), a presser bar (5) attached to the main body (1) so as to move along a vertical direction of the sewing machine and detachably holding a presser foot (6), a needle thread tension adjustment mechanism (9) selectively brought into inactive and active modes, the needle thread tension adjustment mechanism (9) releasing a needle thread tension in the inactive mode and maintaining the needle thread tension in the active mode, and a presser bar lifting lever (3) manually rotated along the vertical direction by a user of the sewing machine and adjusting a position of the presser bar (5) in the vertical direction in accordance with the manual rotation, the presser bar lifting lever (3) including a height adjustment cam portion (3H) adjusting the position of the presser bar (5) in the vertical direction and a thread tension adjustment cam portion (3T) allowing the needle thread tension adjustment mechanism (9) to adjust the needle thread tension.</p> |
