Patent ID: 11952055
Assignee: SEOHAN INNOBILITY CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  F | IPC B

Claim 2:
3. The electric independent steering apparatus of claim 1, wherein the harmonic gear includes:
a bearing portion including an inner ring connected to the rotation shaft of the motor and shaped like an oval and an outer ring that is elastically deformed along the oval shape of the inner ring through a plurality of balls provided outside the inner ring;
an elastic spline cover that is elastically deformed along an oval shape as the bearing portion is inserted into one side of an open inner peripheral surface of the elastic spline cover, includes a medial tooth shape provided on one side of an outer peripheral surface of the elastic spline cover, and having a remaining side fixed and connected to the upper support; and
a housing into which the elastic spline cover is inserted and which has an inner peripheral surface on which external tooth shapes engaged with both sides in a long axis direction of the medial tooth shape are formed and pivots relative to the fixed elastic spline cover along with rotation of the bearing portion.