| 摘要 |
<p>The invention relates to a contactless position transmitter for an electronic sewing machine, in which the stitch-forming control devices are actuated via regulating elements by means of linear servomotors. The invention is intended to provide a simple design and advantageous arrangement of contactless position transmitters for an electronic sewing machine. The object of the invention is to produce, on an electronic sewing machine, an arrangement having polarising elements of a contactless position transmitter, thereby ensuring a simple, very quick and exact detection of position of the stitch-forming control devices. According to the invention, the object is achieved in that a first and/or second polarising element of a photoelectric position transmitter, the housing of which is fastened to the frame of the sewing machine, is connected to the stitch-forming control devices via control members and regulating elements or only via control members. The stitch-forming control device for the needle-bar pivoting movement is provided with a pivotably mounted frame. The control of the fabric feed takes place via a regulating member. <IMAGE></p> |
