| 摘要 |
1. Automatic contrivance enabling agricultural tractors and machines of all kinds, to work on uneven grounds without risking to overturn and without danger for the driver of the type comprising, incorporated to the tractor, stability bars (2D, 2G) sliding towards the exterior to the right and left of the tractor in prevision of a support on the ground, characterized by the presence of a device intended to operate the releasing of the mechanism of freeing bars, mechanism operated by the vertical oscillation of the front axle of the tractor in relation to the buffer of the tractor. |
