Production line safety system

A safety system for a production line comprising:

• a work device configured to move along multiple production devices arranged in a row,
• wherein
• each of the multiple production devices is provided with a power supplying section configured to supply electric power wirelessly, and
• the work device includes
• a power receiving section configured to receive electric power supplied wirelessly from the power supplying section of the production device opposite the power receiving section among the multiple production devices,
• a monitoring section configured to continuously monitor whether a person or object has entered a monitoring area around the work device, the monitoring section operating independently of the person or object,
• a motor configured to move the work device,
• a controller configured to operate the work device, and
• circuitry configured to
• operate the monitoring section, the controller, and the motor using the electric power received from the power receiving section as a power source, and
• block supply of power to the motor while maintaining power supply to the monitoring section and the controller when the monitoring section detects that a person or object has entered the monitoring area.