| 摘要 |
<p>A tiller using two alternate movement systems is composed by an engine-gearbox unit (1), two wheels (3), two chain track (5) assemblies and a three-point-linkage mechanism (7) acted by a hydraulic system including two hydraulic cylinders (8) and a pump (9) is the subject of the present invention. The tiller is characterized by two moving systems, which are working alternate; a wheeled system and a chain track system; and a hydraulic three-point-linkage system, which can be used in the rear work position or in the front work position.</p> |
