B66B1/02—Control systems without regulation, i.e. without retroactive action
B66B1/06—Control systems without regulation, i.e. without retroactive action electric
B66B1/12—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. handles or levers, located at a control station for direct control movements, e.g. electric mining-hoist control systems
Structure de transmission d'entrainement pour tracteur a changement de vitesse progressif ne necessitant pas la mise en oeuvre d'un embrayage, notamment pour tondeuse a gazon