| 摘要 |
An embroidery frame of the present disclosure is provided with an upper frame and a lower frame, both of which clamping a workpiece cloth therebetween, and a clamping unit that presses the upper frame against the lower frame. A projection is formed on an upper surface of the lower frame, wherein a plurality of notched recesses are formed on an outer peripheral surface of the projection. On the other hand a groove capable of being fitted with the projection is formed on a lower surface of the upper frame, wherein a plurality of protrusions capable of being fitted with the notched recesses are formed in the groove.
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