Patent ID: 11938767
Assignee: nan
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 32:
33. The trailer coupling mechanism of claim 32, wherein:
said height adjustment assembly further includes a first pin and a second pin;
said first frame structure includes a first aperture adapted to receive said first pin and a second aperture adapted to receive said second pin;
said second frame structure includes a set of sidewalls disposed on opposite sides of said first frame structure, each of said sidewalls including a vertical column of apertures and a vertical channel extending parallel with respect to said vertical column of apertures, said vertical column of said apertures being adapted to receive said first pin and said channel being adapted to receive said second pin;
said vertical column of apertures of each of said sidewalls includes a first end aperture and an opposite second end aperture; and
a distance between said first end aperture and said first axis is less a distance between said second end aperture and said first axis.