A RICE FIELD WORKING MACHINE

摘要

Provided is a rice-field working machine equipped with a line marker that features easy operation, simplified structure, light weight, and cost-effective to increase user's convenience. The line marker installed in the rice-field working machine is driven by a driving device(82), which includes a motor(85) disposed beneath a support plate(83); a circular plate(86) provided with a first gear(85a) on a rotational axis of the motor(85) and a second gear(86a) engaged with the first gear(85a); a cam(84) installed on the surface of the support plate(83); a cam position detecting switch(87) that is turned on every 90 degrees of rotation angle of a circular plate(89) with a projection; a potentiometer(93) fixed onto the support plate(83) on a support(95).