Patent ID: 11931309
Assignee: SUNCALL CORPORATION
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 4:
5. The actuator unit according to claim 4, wherein:
the internally threaded member is the inner threaded member;
the ball stud is screw-connected to the inner threaded member via a fastening member inserted in an axial hole that penetrates the ball stud in an axial direction;
the axial hole has a large diameter hole that is open on a side where the spherical head part is positioned with respect to the axial direction, a small diameter hole that is open on a side opposite to the spherical head part with respect to the axial direction, and a step connecting the large diameter hole and the small diameter hole; and
the fastening member has a head part inserted in the large diameter hole and a shaft part that is reduced in diameter from the head part via a radially extending part and that penetrates the small diameter hole to extend outward, a portion of the shaft part extending outward, with the radially extending part being in contact with the step, has a screw structure screwed into the internally threaded member.