公开(公告)号：US20210062456A1

公开(公告)日：2021-03-04

申请号：US16560009

申请日：2019-09-04

Applicant: Caterpillar Inc.

Inventor： Weiping Hu ,  Giedre Simanskaite ,  Joseph Cai ,  Alex Van Doornmalen ,  Mariska Schouten

IPC: E02F3/40

Abstract: An integrally cast hinge assembly for a bucket, including a first and second hinge plates, a first torque tube portion extending from the first hinge plate, a second torque tube portion extending from the second hinge plate, a third torque tube portion extending between the first hinge plate and the second hinge plate, and a support plate extending along a bottom portion of the hinge assembly. The first torque portion is weldlessly connected to the first hinge plate, the second torque tube portion is weldlessly connected to the second hinge plate, the third torque tube portion is weldlessly connected to both the first hinge plate and the second hinge plate, and the support plate is weldlessly connected to the first hinge plate, the second hinge plate, the first torque tube portion, the second torque tube portion, and the third torque tube portion.

公开(公告)号：US11346075B2

公开(公告)日：2022-05-31

申请号：US16560009

申请日：2019-09-04

Applicant: Caterpillar Inc.

Inventor： Weiping Hu ,  Giedre Simanskaite ,  Joseph Cai ,  Alex Van Doornmalen ,  Mariska Schouten

IPC: E02F3/40

Abstract: An integrally cast hinge assembly for a bucket, including a first and second hinge plates, a first torque tube portion extending from the first hinge plate, a second torque tube portion extending from the second hinge plate, a third torque tube portion extending between the first hinge plate and the second hinge plate, and a support plate extending along a bottom portion of the hinge assembly. The first torque portion is weldlessly connected to the first hinge plate, the second torque tube portion is weldlessly connected to the second hinge plate, the third torque tube portion is weldlessly connected to both the first hinge plate and the second hinge plate, and the support plate is weldlessly connected to the first hinge plate, the second hinge plate, the first torque tube portion, the second torque tube portion, and the third torque tube portion.