Patent ID: 11858558
Assignee: BYD COMPANY LIMITED
Field: Transport (Mechanical engineering)
Classification: CPC B  F | IPC B

Claim 3:
4. The body frame according to claim 2, wherein the first transverse beam connecting plate is provided with a first transverse screw rod hole; the first transverse rivet comprises a first transverse screw rod mated with the first transverse screw rod hole and a first transverse collar riveted on the first transverse screw rod; the first transverse screw rod is slidably mated with the first transverse sliding groove;
the second transverse beam connecting plate is provided with a second transverse screw rod hole; the second transverse rivet comprises a second transverse screw rod mated with the second transverse screw rod hole and a second transverse collar riveted on the second transverse screw rod; the second transverse screw rod is slidably mated with the second transverse sliding groove;
the first longitudinal beam connecting plate is provided with a first longitudinal screw rod hole; the first longitudinal rivet comprises a first longitudinal screw rod mated with the first longitudinal screw rod hole and a first longitudinal collar riveted on the first longitudinal screw rod; the first longitudinal screw rod is slidably mated with the first longitudinal sliding groove; and
the second longitudinal beam connecting plate is provided with a second longitudinal screw rod hole; the second longitudinal rivet comprises a second longitudinal screw rod mated with the second longitudinal screw rod hole and a second longitudinal collar riveted on the second longitudinal screw rod; and the second longitudinal screw rod is slidably mated with the second longitudinal sliding groove.