所产生的厚度是缝纫机压脚不能越过的，因此需要一个特殊的压脚。
Inserting a corded piping introduces bulk, which the machine presser foot is unable to surmount, therefore a special presser foot is necessary.
工业缝纫机是通过压脚启动的，用膝盖运动抬起压脚或降落压脚。
The power machine is run by a foot treadle and USES a knee lift to raise and lower the presser foot.
本发明提供了一种缝纫机的压脚提升及倒送料装置，属于机械技术领域。
The invention provides a pressure foot lifting and inverted material feeding device of a sewing machine, belonging to the mechanical technical field.
本发明涉及一种具有从上方按压针板上加工布的间歇压脚的缝纫机。
The invention relates to a sewing machine with intermittent presser foot for pressing the machining cloth from above.
本发明涉及一种具有从上方按压针板上加工布的间歇压脚的缝纫机。
The invention relates to a sewing machine with intermittent presser foot for pressing the machining cloth from above.
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