Patent ID: 8438984

Claim:
An embroidery frame comprising: an inner frame, the inner frame having a circular form; a middle frame configured to be detachably attachable to the inner frame, the middle frame having a circular form, an inside diameter of the middle frame being longer than an outside diameter of the inner frame, the inner frame being configured to be mountable in the middle frame; an outer frame configured to rotatably hold the middle frame, the outer frame having a circular form, an inside diameter of the outer frame being longer than an outer outside diameter of the middle frame, the middle frame being configured to be mountable in the outer frame; and an engaging portion comprising: a plurality of first engaging portions provided along a circumferential direction of a first frame, the first frame being one of the middle frame and the outer frame, the plurality of first engaging portions being provided at a plurality of positions on the first frame in accordance with a predetermined plurality of rotation angles; and a second engaging portion configured to engage with any one of the plurality of first engaging portions, the second engaging portion being provided on a second frame, the second frame being the other of the middle frame and the outer frame that is different from the first frame.