Electromechanical coupling system for preventing a mechanical device from operating beyond preselected operating parameters or control parameters

An electromechanical coupling system for operating a mechanical device within a preselected operating parameter or control parameter, comprising:

• sensor means operatively adapted to be connected to said mechanical device for sensing changes in a control parameter or an operating parameter thereof and generating control pulses proportional to the parameter sensed;
• an electronic control unit comprising a control pulse monitor unit having its input connected to the output of the sensor means and a bistable logic unit connected to the output of the monitor unit for producing enabling pulses or signals corresponding to the control pulses received thereat when the mechanical device operates within said preselected operating parameter or control parameter and for suppressing said enabling pulses when the mechanical device operates at or beyond said operating parameter or control parameter;
• and,
• coupler means operatively connected between a drive unit and a driven unit of said mechanical device and responsive to said enabling pulses so as to coupled or uncouple said drive unit from said driven unit depending upon whether the enabling pulses are present or suppressed.