| 摘要 |
PURPOSE: To provide a motive power transmitting device of a rotary snowplow by which safe braking can be performed by generating a sufficient effect of an ABS device. CONSTITUTION: Clutches 19 are arranged in a transmission 12 to transmit motive power for travel from a hydraulic continuously variable transmission (HST) 20 to front and rear wheels 10 and 11. The clutches 19 have a directional control valve 21 becing a control valve. When a brake pedal 5 is stepped, its signal is sent to an ABS controller 30, and at the same time, it is sent to a power shift directional control valve controller 33, and a speed change signal to the directional control valve 21 is controlled, and the clutches 19 are disengaged from each other. Therefore, an action of the HST 20 is not transmitted to the front and rear wheels 10 and 11 at braking time, and an influence is not exerted on an ABS device, and an effect of the ABS device is sufficiently exhibited.
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