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    • 44. 发明申请
    • Hydraulic Upper Link With Float Position
    • 液压上链与浮动位置
    • US20080264656A1
    • 2008-10-30
    • US12102366
    • 2008-04-14
    • Johannes Kapfer
    • Johannes Kapfer
    • A01B59/043A01B63/00
    • A01B59/004A01B59/068
    • The present invention relates to an upper link (32) for a utility vehicle, in particular for an agricultural tractor. The upper link (32) has a hydraulic cylinder (34) for adjusting the upper link (32). Furthermore at least one fluid tank (36), to which the hydraulic cylinder (34) can be coupled, is provided so that in the coupled condition hydraulic fluid limited to a pre-determined volume can be exchanged between the hydraulic cylinder (34) and the fluid tank (36) and so that a piston (40) of the hydraulic cylinder (34) can move in floating fashion by a distance (ls) corresponding to the pre-determined volume in the hydraulic cylinder (34). Furthermore the present invention relates to a front-end as well as to a back-end three-point hitch of a utility vehicle with two pivotally connected lower links and an upper link with such a fluid tank.
    • 本发明涉及一种用于多用途车辆,特别是农用拖拉机的上连杆(32)。 上连杆(32)具有用于调节上连杆(32)的液压缸(34)。 此外,设置液压缸(34)可联接到的至少一个流体箱(36),使得在联接状态下,限制到预定容积的液压流体可以在液压缸(34)和 流体箱(36),并且使得液压缸(34)的活塞(40)能够以浮动的方式移动相当于液压缸中预定容积的距离(ls) 气缸(34)。 此外,本发明涉及具有两个可枢转地连接的下部连杆的多用途车辆的前端以及后端三点牵引,以及具有这种流体箱的上部连杆。
    • 46. 发明授权
    • Apparatus for coupling an implement to a working vehicle
    • 用于将工具联接到工作车辆的装置
    • US07353885B2
    • 2008-04-08
    • US10919769
    • 2004-08-17
    • Hendrik Nordhoff
    • Hendrik Nordhoff
    • A01B51/00
    • E02F9/2239A01B59/068B60D1/141E02F9/2242
    • The present invention relates to an apparatus for coupling an implement to a working vehicle, having two lower link bars, a length-adjustable upper link bar, and two lifting elements. The end closest to the working vehicle, of each of the lower link bars and the upper link bar, is swingably mountable, and the other end closest to the implement is likewise swingably mountable. The upper link bar is essentially disposed centrally in the upper region of the coupling apparatus. The two lower link bars are disposed essentially laterally in the lower region of the coupling apparatus. One end of each of the lifting elements can be swingably mounted on a respective lower link bar. A supported load from the implement which acts on the working vehicle does not lead to diminishment of the load on a vehicle axle. For this purpose, the coupling apparatus is characterized in that the respective other ends of the lifting elements directed toward the implement, can be swingably mounted in essentially an upper region of the coupling apparatus.
    • 本发明涉及一种用于将工具联接到工作车辆的装置,具有两个下连杆,长度可调的上连杆和两个提升元件。 最靠近工作车辆的端部,每个下连杆和上连杆都可摆动地安装,另一端最靠近工具同样可摆动地安装。 上连杆基本上位于联接装置的上部区域的中心。 两个下连杆基本上横向设置在联接装置的下部区域中。 每个提升元件的一端可以摆动地安装在相应的下连杆上。 作用在作业车辆上的来自工具的支撑载荷不会导致车辆轴上的负载减小。 为此,联接装置的特征在于,提升元件的朝向工具的相应另一端可以可摆动地安装在联接装置的基本上部区域中。
    • 47. 发明申请
    • Device for mounting a bulldozer blade at the front or the rear of a tractor
    • 拖拉机前部或后部安装推土机叶片的装置
    • US20070079977A1
    • 2007-04-12
    • US11544649
    • 2006-10-10
    • Hubert Defrancq
    • Hubert Defrancq
    • A01B59/043
    • A01B59/068A01B63/111E02F3/7618
    • Device for mounting a blade on the front or rear of a tractor fitted with a three-point lift namely two bottom points adapted to be subjected to the action of lifting element of the tractor, and a top middle point, the blade having three hitching points, namely two bottom hitching points and one top, middle hitching point capable of being connected to the three lift points of the tractor. The device includes, between each bottom hitching point of the blade and the associated bottom point of the lift, a link arm that is articulated at one end on the blade and, at its other end, on the associated bottom point of the lift, and at least one cylinder having one connected by articulation to at least one bottom arm, and the other end connected by articulation to the blade.
    • 用于将叶片安装在装有三点升降机的牵引车的前部或后部的装置,即适于经受拖拉机的提升元件的作用的两个底点以及顶部中间点,该叶片具有三个连接点 ,即两个底部连接点和一个能够连接到拖拉机的三个提升点的顶部中间连接点。 该装置包括在叶片的每个底部连接点和升降机的相关联的底部点之间的连杆臂,其在叶片的一端铰接并且在其另一端铰接在升降机的相关联的底部点上,以及 至少一个气缸,其一个通过铰接连接到至少一个底部臂,另一端通过铰接连接到叶片上。