| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce labor of designing a lifting device and a lift position adjustment device in a sewing machine.SOLUTION: The sewing machine comprises a supplied adjustment shaft (14) for allowing a lifting device (13) which lifts a sewing foot for pressing fabric to be sewn to set a lift position, and a supplied adjustment shaft (29) for allowing a lift position adjustment device (30) different from the lifting device to set a lift position so as to set a sending lift of the sewing foot. A common driving device (22) for the lifting device (13) and the lift position adjustment device (30) is formed of a stepping motor, and two cam discs are attached to a motor shaft (21) of the common driving device (22). A lifting shaft cam disc (20) which is one of the two cam discs is mechanically connected to the lifting device (13) and a lift position adjustment device cam disc (24) which is the other one of them is mechanically connected to the lift position adjustment device (30).</p> |
