摘要 |
<p>Connection arrangement comprises lifting arms (32, 34) with an assembly region (46, 48) having a polygonal cross-section and a lifting shaft (36) with an assembly region (42, 44) having a polygonal cross-section. The lifting arms form a polygonal connection with the lifting shaft when mounted on the lifting shaft. An independent claim is also included for a lifting shaft of a three-point attachment for an agricultural vehicle. Preferred Features: The polygonal connection has a cross-sectional shape which corresponds to an equilateral triangle with rounded sides and/or corners, especially in the form of an obiform curve.</p> |