Patent ID: 11904748
Assignee: SEOYON E-HWA CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 6:
7. The rotatable armrest apparatus of claim 6,
wherein the three stepped portions include a first stepped portion, a second stepped portion, and a third stepped portion, and
wherein the first stepped portion includes a first arc portion and a first stepped part positioned on a bottom portion of the cam, the second stepped portion includes a second stepped part positioned at an upper side, and a second arc portion extending from a bottom portion of the first stepped part to an upper portion of the second stepped part, a diameter of the second arc portion increases as an arc becomes closer to the second stepped part, the third stepped portion includes a third stepped part positioned at a rear side of the cam, and a third arc portion extending between a bottom portion of the second stepped part and a bottom portion of the third stepped part, and a diameter of the third arc portion is not changed.