| 摘要 |
PURPOSE:To suppress the slip ratio of rear wheels to be small by installing brakes on wheels, and avoiding increase in brake oil pressure until a certain period of time has elapsed after said rear wheels get rid of a condition that these wheels are about to be locked. CONSTITUTION:A brake oil pressure device 7 has modulators Mfl, Mrr which regulate oil pressure fed from an output port 8a and lead the oil pressure to brakes Bfl, Brr, and modulators Mfr, Mrl which regulate oil pressure fed from an output port 8b and lead the oil pressure to brakes Bfr, Brl. An antilock control device 9 consisting of a front wheel control part 9a which separately controls front wheel brakes, and a rear wheel control part 9b which controls rear wheel brakes, is provided on the brake oil pressure device 7. The rear wheel control part 9b is constructed in such a way that increase in brake oil pressure is avoided until a certain period of time has elapsed after wheels get rid of a condition that these wheels are about to be locked.
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