| 摘要 |
A braking apparatus for a motor vehicle comprises a main braking device for applying braking force to wheels of the motor vehicle in response to a press stroke of a brake pedal, and a parking brake device operatively connected to the main braking device for applying parking brake force from an electric motor to the wheels at parking the motor vehicle, wherein a through-hole is provided in a housing of the parking brake device, through which a machine tool will be inserted to manually rotate the electric motor when the electric motor becomes out of order after the parking brake force is applied to the wheels, and a breathing pipe is detachably connected at its one end to the through-hole and terminated at its other end at a place, for example, a passenger room, where there are little extraneous material.
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