| 摘要 |
The invention relates to a mowing blade that performs an oscillating linear motion, comprising a blade bar, which is composed of at least two bar sections (2, 3) that are located one behind the other along a longitudinal axis (1). The front faces (6) of said sections abut one another and are provided with respective recesses (7), in such a way that the thickness of the bar sections (2, 3) is reduced in these areas. A connecting fish plate (14), which can for example be constructed from a high strength material, is placed in said recesses. The blade sections (12), bar sections (2, 3) and fish plate (14) are connected by means of cap screws (15), which are secured using nuts (16). A blade section (12a) is arranged in such a way that it covers the butt joint (10) between the two bar sections (2, 3). Said configuration permits a good absorption of inertial forces caused by the backwards and forwards motion and of compressive forces that result from said motion in the connection region. |
