Patent ID: 11858382
Assignee: YANFENG INTERNATIONAL SEATING SYSTEMS CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B  A | IPC A  B

Claim 16:
17. The seat rotation locking mechanism according to claim 1, wherein
at least one outward protruding portion is disposed on the outer circumference of the fixed disc, the lockhole is disposed on each outward protruding portion, and each outward protruding portion is transitionally connected to the remaining part of the outer circumference of the fixed disc through an arc-shaped guiding surface, and
for each lock pin amongst the at least two lock pins, the first end of the lock pin is not in contact with the remaining part of the outer circumference of the fixed disc before entering the arc-shaped guiding surface, and the first end of the lock pin is in contact with the arc-shaped guiding surface after entering the arc-shaped guiding surface.