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    • 5. 发明授权
    • Agricultural implement for working crop lying on the field
    • 农作物在田间作业
    • US4329837A
    • 1982-05-18
    • US064885
    • 1979-08-08
    • Hermanus H. VissersJan Winkel
    • Hermanus H. VissersJan Winkel
    • A01D78/12A01D78/10A01D80/02A01D79/00
    • A01D78/1064
    • An agricultural implement for raking or spreading crop lying on the field, for example, mown grass, comprising at least one carrier rotatably driven around an upright axis and having upright shaft pins arranged in a circle, on each of which is journalled in a freely pivotable manner a crop-engaging, tine-shaped element of non-circular cross section, wherein a flexible member independently of each element is arranged so that the tine-shaped element is held in an outwardly directed position with respect to the upright axis, said tine-shaped elements preferably consisting of two or more tines in overlying position the bending resistance in the vertical plane of the superjacent tines differs from that of the lower-tine.
    • 一种用于犁耕或撒播田地上的作物的农具,例如,草地,包括至少一个承载件,该托架围绕竖直轴线可旋转地驱动并且具有以圆形布置的直立轴销,每个承载件可自由枢转地安装 形成具有非圆形横截面的作物接合的齿状元件,其中独立于每个元件的柔性构件被布置成使得齿形元件相对于直立轴线保持在向外指向的位置,所述尖齿 优选地由两个或更多个尖齿组成的元件在上覆位置处,在超临界齿的垂直平面中的抗弯曲性不同于下齿的弯曲阻力。
    • 8. 发明授权
    • Haymaking machine
    • 造船机
    • US4407115A
    • 1983-10-04
    • US284574
    • 1981-07-17
    • Ulrich WesselAlbrecht Scherer
    • Ulrich WesselAlbrecht Scherer
    • A01D78/10A01D78/00A01D80/02
    • A01D78/1064
    • A haymaking machine of the type having a pair of raking wheels rotatable about generally upright axes in the same sense or in opposite senses depending upon the type of haymaking operation involved. In order to provide a resilient characteristic to the prongs which is the same in both senses of rotation, each prong is mounted swingably on a pivot member whose bolt is connected to one end of a stack of spring-steel strips forming a torsion spring. The latter extends through a tube fixed to the frame of the wheel and is anchored to this tube by another sleeve whose angular position relative to the tube can be adjusted.
    • 这种类型的干草机具有一对耙轮,其可以根据所涉及的干草操作的类型以相同的意义或相反的感觉围绕大致直立的轴线旋转。 为了向两个旋转方向上的叉头提供弹性特性,每个叉头可摆动地安装在枢轴件上,该枢轴件的螺栓连接到形成扭转弹簧的弹簧钢带的一端。 后者延伸穿过固定在车轮框架上的管,并通过另一个套管锚固到该管上,其中相对于管的角度位置可被调节。