Patent ID: 11897072
Assignee: DN SOLUTIONS CO., LTD.
Field: Machine tools (Mechanical engineering)
Classification: CPC B  F | IPC B  F

Claim 13:
14. The apparatus of claim 8, wherein when the main shaft operates in the C-axis mode, the transfer unit operates such that the rotary shaft is positioned between the driving shaft and the output shaft so that the second gear engages with the fourth gear while being in external contact with a part of a tooth surface of the fourth gear, the first gear engages with the third gear while being in external contact with a part of a tooth surface of the third gear, the third gear engages with the sixth gear while a part of the tooth surface of the third gear is in external contact with one side of a tooth surface of the sixth gear, and the fourth gear engages with the sixth gear while a part of the tooth surface of the fourth gear is in external contact with the other side of the tooth surface of the sixth gear.