FIELD: transport engineering. SUBSTANCE: device has electric motor connected with step-down reduction gear unit. Fitted on output shaft of reduction gear unit is crank installed for engagement with one of arms of bell-crank hinge-mounted on bracket fixed on frame. Other arm of bell-crank is hinge-connected to other bracket fixed on vibrating platform arranged on floor under left foot of driver and provided with springs arranged between lower surface of platform and upper plane of frame. Device has also time relay placed in electric motor circuit which has also push-button, toggle switch and signal lamp, all connected with vehicle electric system (storage battery). If driver falls asleep, platform starts vibrating, thus waking the driver. EFFECT: enhanced reliability. 1 dwg
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