| 摘要 |
The invention relates to a sewing device (1) for edging a fabric, comprising a drive gearbox which is provided with a frame (13), and furthermore is provided with a crankshaft (19) which is provided for driving an eccentrically journalled drive rod (2), comprising a lever (3) which is connected at its one end to the eccentrically journalled drive rod (2) and is journalled on a shaft (12), which in turn is journalled in the frame (13) of the sewing machine and about which the lever (3) rocks during the operation of the sewing device (1 and at its other end is executed in the form of a fork having at least two ears between which the axis (A) of a needle bar (5) extends, said needle bar having provision made on the upper side for the insertion of a needle (9) and furthermore being hingedly connected to the lever (3), and comprising a sleeve (6) which is inserted in an opening perforating the frame (13) of the drive gearbox of the sewing device (1) on the top and serves as a slide bearing for the linear movement of the needle bar (5). |
