| 摘要 |
Disclosed is a brake system of a vehicle. The present invention includes parking brake interlocking mechanism being installed on a pedal assembly of a main brake and the parking brake interlocking mechanism is interlocked with a brake pedal so as for the parking brake to be operated in a brake pedal operation rear range beyond a brake pedal operation range during normal driving or traveling, a locking mechanism for preventing the interlocking mechanism from being returned when the parking brake is operated, and a locking control for releasing the locking of the locking mechanism when an accelerator pedal is operated. Therefore, the present invention has advantages of improving stability and convenience by interlocking a parking brake which is an auxiliary brake with a main brake by a brake pedal, substituting the parking brake for the main brake by just the brake pedal when a main brake body is critically damaged, and operating and releasing the parking brake by just the brake pedal and an accelerator pedal in a so-called stop frequent operation.
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