Motion preventing device for motor vehicles

摘要

A device for preventing the motion of a motor vehicle unless some predetermined condition is satisfied, such as the suitability to drive of the operator. The device includes a driving suitability discriminating means for discriminating the suitability of the operator to drive the motor vehicle, a neutral switch for detecting if the transmission is in a neutral position and a motion preventing means responsive to both the suitability discriminating means and the neutral switch such that the engine of the motor vehicle can be started if the transmission is in neutral but the motor vehicle cannot be driven unless the operator is discriminated to be suitable by the suitability discriminating means.