Patent ID: 11958542
Assignee: BYD COMPANY LIMITED
Field: Transport (Mechanical engineering)
Classification: CPC A  B | IPC B

Claim 12:
13. The steering system according to claim 12, wherein the power element is a motor and the transmission mechanism comprises a first gear connected with an output shaft of the motor for synchronous rotation and a second gear connected with the first end shaft for synchronous rotation, the first gear being meshed with the second gear;
wherein an external diameter of the first gear is less than an external diameter of the second gear; and
wherein the second gear is coaxially fixed to the first end shaft via a retaining structure disposed on an outer sidewall of the first end shaft, the retaining structure respectively abutting two axial end surfaces of the second gear; and
wherein a protrusion formed on the outer sidewall of the first end shaft is accommodate in a notch formed on an edge portion of an inner rim of the second gear.