Patent ID: 11931844
Assignee: DGSHAPE CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B  A  Y | IPC A  B

Claim 1:
2. The cutting machine according to claim 1, wherein
the first coupling portion includes:
a first portion having the screw hole, the first portion including a surface that is directly across from an upper surface of the second coupling portion,
a second portion including a surface that is directly across from the first portion and is in contact with a lower surface of the second coupling portion, and
a third portion coupling the first portion and the second portion to each other and in contact with a side surface of the second coupling portion; and

in response to the second holder being attached to the first holder, the longitudinal axis of the fastening screw, the center axis of the locking recess, and the rotation support are provided in this order with respect to the second direction.