Patent ID: 7497178

Claim:
A driving apparatus of an embroidery frame of a sewing machine, comprising: at least one X-directional movement mechanism to move the embroidery frame to support an object to be embroidered in right-to-left direction (X-direction); and at least one Y-directional movement mechanism to move the embroidery frame to support an object to be embroidered in front-to-rear direction (Y-direction); any one of the X-directional movement mechanism and the Y-directional movement mechanism comprising: a fixed frame installed to a beam-body of the sewing machine and having gear teeth; and an embroidery frame driving unit installed on the fixed frame to reciprocate and engaged with the gear teeth to reciprocate the embroidery frame, said embroidery frame driving unit including: an engaging member engaged with the gear teeth formed in the fixed frame; a plurality of rotation members to rotatably support the engaging member; and a driving body to provide a rotational force to the engaging member.