DISPOSITIVO DE CAMBIO PARA UN ARBOL DE TOMA DE FUERZA QUE TIENE DOS NUMEROS DE REVOLUCIONES DIFERENTES ENTRE SI,ESPE- CIALMENTE DE UN TRACTOR AGRICOLA

摘要

This invention relates to a shift lever assembly for changing the speed of a power take-off shaft of a tractor. The assembly comprises a movable rod positioned between two different speed positions having a neutral position therebetween. The rod has abutment means secured to it which cooperates with knotched plates so that the rod can be moved in a linear direction between the speed positions only when it is rotated while in the neutral position.