Patent ID: 11898320
Assignee: CATERPILLAR INC.
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 5:
6. The grading machine of claim 1,
wherein the circle drive motor is a first circle drive motor,
wherein the gear box is a first gear box,
wherein the gear coupling is a first gear coupling,
wherein the braking mechanism is a first braking mechanism,
wherein the first gear box is configured to engage with a front portion of the circle to rotate the circle,
wherein the circle drive system further includes a second circle drive motor, a second gear box, a second gear coupling, and a second braking mechanism positioned between the second circle drive motor and the second gear coupling, and
wherein the second gear box is configured to engage with a rear portion of the circle and rotate the circle relative to the drawbar around the circle axis.