Patent ID: 11912316
Assignee: CRRC QIQIHAR ROLLING STOCK CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 3:
4. The coupler knuckle according to claim 1, wherein a distance in a horizontal direction between a point on the traction surface of the upper traction platform closest to a coupler tip and closest to the neck portion and a point on an impact surface of the upper impact platform closest to the coupler tip and closest to the neck portion is defined as p; and
a distance in the horizontal direction between a point on the traction surface of the lower traction platform closest to the coupler tip and closest to the neck portion and a point on the impact surface of the lower impact platform closest to the coupler tip and closest to the neck portion is defined as q, and p<q.