| 摘要 |
The invention relates to a braking system for motor vehicles, the system comprising a hydraulic operating brake provided with two separate line circuits ( 14, 18 ) connecting a main brake cylinder ( 20 ) to brake devices ( 12 ) associated with the vehicle wheels by means of an antilock device ( 16 ), and a parking brake. According to the invention, an auxiliary cylinder ( 26 ) comprising an auxiliary piston ( 32 ) that can be displaced by an actuating device ( 48 ) and acts on the brake devices ( 12 ) during the displacement thereof by means of the liquid columns in the line circuit, and a valve ( 42 ) for locking the line connection between the main brake cylinder ( 20 ) and the respective brake devices ( 12 ), are arranged in at least one of the line circuits ( 18 ) between the antilock device ( 16 ) and the main brake cylinder ( 20 ).
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