Patent ID: 7717050

Claim:
A presser foot drive structure of an embroidery machine, by which a vertically movable presser foot for preventing a sheet of cloth to be sewn from rising in a sewing operation is vertically moved inside a sewing head, the presser foot drive structure comprising: a presser foot drive holder vertically slidably mounted on an outer circumferential portion of a needle bar, which is vertically driven; a presser foot drive block including a body, a connecting link being fixedly attached at one end of the connecting link to the body and being pivotally connected at the opposite end of the connecting link to one end of a presser foot drive lever which is connected to a presser foot drive rod at the opposite end of the presser foot drive lever; an engaging recess that engages the presser foot drive block with the presser foot drive holder, the engaging recess being protruded from a connecting member inside the body and being inserted into by an engaging protrusion disposed in the presser foot driver holder; a presser foot drive shaft disposed parallel to the needle bar via the presser foot drive holder; and the presser foot, disposed at a lower end of the presser foot drive shaft to vertically reciprocate.