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21. 发明授权

US4567864A Connecting-rod system particularly for cutting elements of mowers 失效
标题翻译：连杆系统特别适用于切割割草机的元件
公开(公告)号：US4567864A
公开(公告)日：1986-02-04
申请号：US462007
申请日：1983-01-28
申请人： Luigi Gaspardo
发明人： Luigi Gaspardo
IPC分类号： A01D34/30 , A01D34/34 , F02F7/00 , F16C3/12
CPC分类号： A01D34/34 , A01D34/30 , Y10S123/08 , Y10T74/2142 , Y10T74/2162 , Y10T74/2177
摘要： A connecting-rod system particularly for mowers, wherein a crank, supporting a couple of rods, is linked to the driving shaft by means of a clamp fastened to said shaft by means of a threaded ring, and wherein the mutual positioning of crank and clamp is achieved by means of a key.
摘要翻译：一种特别用于割草机的连杆系统，其中支撑一对杆的曲柄借助于通过螺纹环固定到所述轴的夹具连接到驱动轴，并且其中曲柄和夹具的相互定位通过键来实现。

22. 发明授权

US4342187A Resonant sickle drive with spring means at opposite ends of the sickle 失效
标题翻译：春天的共振镰刀驱动意味着在镰刀的两端
公开(公告)号：US4342187A
公开(公告)日：1982-08-03
申请号：US220502
申请日：1980-12-29
申请人： Paul T. Shupert
发明人： Paul T. Shupert
IPC分类号： A01D34/30 , A01D55/02
CPC分类号： A01D34/30
摘要： In order to provide a higher cutting speed for a high speed harvester (11) torsion bars (31, 68) are connected to opposite ends of a crop cutting sickle (28). A pair of levers (46, 62) which connect the torsion bars (31, 68) to the sickle (28) carry a pair of removable counterweights (56, 96) which can be sized to change the resonant frequency to substantially correspond to the desired cutting speed. The levers (46, 62) may be interconnected by an adjustable tie bar (111) for hard to cut crops which is of sufficient mass to replace the counterweights; or, counterweights (156, 196) may be added to adjust the resonant frequency and hence the resonant cutting speed.
摘要翻译：为了为高速收割机（11）提供更高的切割速度，扭杆（31,68）连接到作物切割镰刀（28）的相对端。将扭杆（31,68）连接到镰刀（28）的一对杠杆（46,62）携带一对可移动的配重（56,96），所述可拆卸配重的尺寸可以改变谐振频率以基本对应于所需切割速度。杠杆（46,62）可以通过可调节的连接杆（111）相互连接，用于难以切割具有足够质量以取代配重的作物; 或者可以添加配重（156,196）以调节谐振频率，从而调节谐振切割速度。

23. 发明授权

US4342186A Resonant sickle drive 失效
标题翻译：共振镰刀驱动
公开(公告)号：US4342186A
公开(公告)日：1982-08-03
申请号：US186571
申请日：1980-09-12
申请人： Larry F. Stikeleather , Tony L. Kaminski
发明人： Larry F. Stikeleather , Tony L. Kaminski
IPC分类号： A01D34/30 , A01D55/02
CPC分类号： A01D34/30
摘要： Resonant frequency operation of a reciprocating sickle (28) of a mowing device is achieved by connecting a torsion bar (97) to its actuating lever (82). The torsion bar (97) spring rate is such that when installed in a sickle and drive system, the resonant frequency of the sickle and its drive falls within the range of frequencies at which the sickle is reciprocated during crop cutting operations.
摘要翻译：通过将扭杆（97）连接到其致动杠杆（82）来实现割草装置的往复镰刀（28）的共振频率操作。扭杆（弹簧弹簧）的弹簧速率使得当安装在镰刀和驱动系统中时，镰刀及其驱动器的共振频率落在镰刀在作物切割操作期间往复运动的频率范围内。

24. 发明授权

US4295272A Vibration control for mowing machine 失效
标题翻译：割草机振动控制
公开(公告)号：US4295272A
公开(公告)日：1981-10-20
申请号：US143862
申请日：1980-04-25
申请人： Toshifumi Kubota
发明人： Toshifumi Kubota
IPC分类号： A01D34/68 , A01D34/30 , A01D34/90 , F16D43/00 , F16F15/22 , A01D35/00
CPC分类号： A01D34/905
摘要： In a mowing machine having an engine for driving a rotary blade via a centrifugal clutch, a shaft and a reduction gear assembly, the outer diameter of the shaft is selected such that the torsional natural vibration frequency of the rotational system extending from the engine to the rotary blade is less than one third of a rotational frequency above which the centrifugal clutch starts transmitting the engine output torque to the shaft. As a result, the torsional natural vibration frequency of the rotational system does not equal the rotational frequency or the half or one third of the rotational frequency of the engine so that undesirable resonance phenomenon will not occur.
摘要翻译：在具有用于通过离心式离合器，轴和减速齿轮组件驱动旋转叶片的发动机的割草机中，选择轴的外径，使得从发动机延伸到旋转系统的旋转系统的扭转固有振动频率旋转叶片小于旋转频率的三分之一，离心离合器开始将发动机输出扭矩传递到轴上方。结果，旋转系统的扭转固有振动频率不等于发动机的转速或旋转频率的一半或三分之一，从而不会发生不期望的共振现象。

25. 发明授权

US4231215A Single belt drive for a three-spindle rotary mower 失效
标题翻译：用于三轴旋转割草机的单皮带传动
公开(公告)号：US4231215A
公开(公告)日：1980-11-04
申请号：US31400
申请日：1979-04-19
申请人： Kenneth H. Klas
发明人： Kenneth H. Klas
IPC分类号： A01D34/30 , A01D34/64 , A01D35/26
CPC分类号： A01D34/64 , A01D34/30 , A01D2101/00 , Y10S56/22
摘要： A single V-belt power transmission is provided for a three-spindle rotary mower without the belt crossing over itself or being subject to severe twists. The three spindles of the mower are disposed on vertical axes to form a triangular pattern with the lead or apex angle being forwardly of the other two spindles which are spaced laterally of one another. A swingable clutch idler and a fixed axis idler engage the flat backside of the V-belt and are so positioned on the mower housing that the single V-belt has a large arc of contact with the pulley on the central lead spindle and with a drive pulley positioned forwardly of the lead spindle. The idler pulleys also serve to so position the belt that there will be no contact between runs of the belt. The invention is illustrated in an underslung mower attachment for a riding tractor and includes an automatic brake, a manually operated height adjusting mechanism and a manual control for raising the mower to a transport position.
摘要翻译：为三轴旋转割草机提供单独的V型皮带动力传动装置，而不会使皮带穿过本身或遭受严重的扭曲。割草机的三个主轴设置在垂直轴上以形成三角形图案，其中铅或顶角是彼此横向隔开的另外两个主轴的前方。摆动离合器惰轮和固定轴惰轮接合V形皮带的平坦背面，并且位于割草机外壳上，使得单个V形皮带与中心导向轴上的皮带轮具有大弧度接触，并具有驱动滑轮位于主轴的前方。惰轮还用于使皮带定位，使皮带的运行之间不会有接触。本发明在用于骑乘拖拉机的下拉式割草机附件中示出，并且包括自动制动器，手动操作的高度调节机构和用于将割草机升高到运输位置的手动控制。

26. 发明授权

US4201033A Disc mowers 失效
标题翻译：割草机
公开(公告)号：US4201033A
公开(公告)日：1980-05-06
申请号：US934246
申请日：1978-08-16
申请人： Nigel W. Meek , John Robb , James A. Munro
发明人： Nigel W. Meek , John Robb , James A. Munro
IPC分类号： A01D34/30 , A01D34/66 , A01D55/26 , A01D55/18
CPC分类号： A01D34/30 , A01D34/664
摘要： A disc mower which is silent in operation and simple to maintain. The mower comprises a casing (1) on top of which is mounted at least one pair of rotatable cutter discs (8) driven by a belt transmission (9) housed within the casing (1). The casing (1) has a base portion (3) and an upper portion (2) hingedly connected together along one edge and releasably secured together by a plurality of skids (33-37) which in use are contactable with the ground to support the mower.
摘要翻译：一种在操作中无声并且维护简单的割草机。割草机包括壳体（1），其上面安装有由容纳在壳体（1）内的带传动装置（9）驱动的至少一对可旋转切割盘（8）。壳体（1）具有基部（3）和上部（2），上部部分（2）沿着一个边缘铰接地连接在一起，并且通过多个滑动件（33-37）可释放地固定在一起，所述多个滑板在使用中可与地面接触以支撑割草机。

27. 发明授权

US4160356A Drive for mower 失效
标题翻译：驱动割草机
公开(公告)号：US4160356A
公开(公告)日：1979-07-10
申请号：US875747
申请日：1978-02-06
申请人： Bernard C. Mathews
发明人： Bernard C. Mathews
IPC分类号： A01D34/30 , A01D34/76
CPC分类号： A01D34/76 , Y10S56/04
摘要： A drive for a mower of the type having a multiple number of vertically disposed drum cutters. The cutting elements are at the bottom of each drum and cut in a horizontal plane. A horizontally disposed pneumatic tired wheel is associated with and acts to impart rotation to each of the drum cutters. External drive is imparted to effect rotation of one of the pneumatic tired wheels. The other pneumatic tired wheels are mounted to have frictional circumferential engagement with each other and with the driven wheel to cause all of the wheels to be driven.
摘要翻译：具有多个垂直设置的滚筒切割机的类型的割草机的驱动器。切割元件位于每个滚筒的底部并在水平面上切割。水平布置的气动轮胎与每个滚筒切割器相关联并且用于赋予旋转。外部驱动器被赋予以实现气动轮胎之一的旋转。其他气动轮胎被安装成具有彼此的摩擦周向接合和与从动轮的摩擦圆周接合以使得所有车轮被驱动。

28. 发明授权

US3973378A Cordless grass trimmer having removable battery pack 失效
标题翻译：无绳草修剪机具有可拆卸电池组
公开(公告)号：US3973378A
公开(公告)日：1976-08-10
申请号：US559566
申请日：1975-03-18
申请人： William E. Bartasevich , James E. Edgell , John E. Jones , Lynn D. Lineback , Roger Q. Smith
发明人： William E. Bartasevich , James E. Edgell , John E. Jones , Lynn D. Lineback , Roger Q. Smith
IPC分类号： A01D34/02 , A01D34/30 , A01D69/02 , A01D55/26
CPC分类号： A01D34/37 , A01D34/305 , A01D69/02 , A01D2101/00 , Y10S30/01
摘要： An upright cordless grass trimmer incorporated incoporates fixed multi-toothed bottom blade and plural sets of top blades which oscillate over the bottom blade to achieve cutting. The sets of top blades are driven by a motor through a gear and cam mechanism and are synchronized so that one top blade set cuts at a different time in the cycle from the other set to achieve a counterbalancing and load leveling effect. A clutch mechanism absorbs abrupt blade stoppage and shock situations and a rechargeable battery pack is releasably received by an elevated cavity in a shroud which mounts over the motor and drive mechanism. An upright handle and electrical control means are attached to the trimmer which allows the operator to operate the trimmer in an upright position.
摘要翻译：一种直立的无绳草修剪器，包括固定的多齿底片和多组顶叶，其在底片上摆动以实现切割。这些顶部叶片由电机通过齿轮和凸轮机构驱动并且被同步，使得一个顶部叶片组在循环中与另一组的不同时间切割以实现平衡和负载均衡效果。离合器机构吸收突然的刀片停止和冲击情况，并且可再充电电池组由安装在电动机和驱动机构上的护罩中的升高的腔体可释放地容纳。直立手柄和电气控制装置连接到修剪器，其允许操作者将修剪器以直立位置操作。

29. 发明授权

US3916725A Gear box carrying rotary scythe mower rotors driven from underneath 失效
标题翻译：齿轮箱承载从下面驱动的旋转镰刀割草机转子
公开(公告)号：US3916725A
公开(公告)日：1975-11-04
申请号：US46013174
申请日：1974-04-11
申请人： KUHN SA
发明人： REBER WALTER
IPC分类号： A01D34/30 , A01D34/66 , F16H57/02
CPC分类号： A01D34/664 , Y10T74/2186
摘要： The disclosure is of a gear box carrying rotary scythe mower rotors, especially comprising an upper half box and a lower half box which are placed beneath the rotors, in which box there is lodged a train of pinions effecting the drive of the said rotors, characterised in that intermediate pinions placed between two adjacent rotors are articulated in rotation upon sockets fixed to or part of the upper half box and in that sockets fixed to or part of the lower half box partially fit into the upper sockets, a packing being gripped between the said sockets by a tightening screw.
摘要翻译：本发明是一种装有旋转式割草机转子的齿轮箱，特别是包括位于转子下方的上半箱和下半箱，在该箱中存有影响所述转子驱动的小齿轮串，其特征在于因为放置在两个相邻转子之间的中间小齿轮在固定到上半箱的一部分或其上的一部分的插座上旋转地铰接，并且在固定到下半箱的一部分或部分装配到上插座中的插座中，所述插座由紧固螺丝组成。

30. 发明授权

US3763639A Sickle bar mower having a swash plate drive 失效
标题翻译：具有滑动板驱动的LE棒式桅杆
公开(公告)号：US3763639A
公开(公告)日：1973-10-09
申请号：US3763639D
申请日：1972-11-15
申请人： INT HARVESTER CO
发明人： GRILLOT H
IPC分类号： A01D34/30 , A01D55/02
CPC分类号： A01D34/30 , Y10T74/18336
摘要： A mower having a transverse mower bar with forwardly projecting cutting fingers shearingly cooperating with cutting knives of a sickle reciprocal thereon. The sickle is oscillated by a novel drive which incorporates an adjustable swash plate driven by a horizontal power input shaft which comprises an adjustable swash plate clamping assembly arranged diagonally with respect to the axis of rotation of the input shaft and embraces the swash plate which is pivoted on a horizontal axis to a yoke of a vertical output shaft which has an arm moving in a horizontal arcuate path and connected to one end of the sickle.
摘要翻译：具有横向割草机的割草机，其具有向前突出的切割手指，与其上的镰刀交替的切割刀片剪切地配合。镰刀由一个新颖的驱动器振荡，该驱动器包括由水平动力输入轴驱动的可调斜盘，该斜盘包括相对于输入轴的旋转轴线对角布置的可调节的斜盘夹紧组件，并且包围摆动的斜盘在水平轴线上垂直输出轴的轭，其具有在水平弧形路径中移动并连接到镰刀的一端的臂。

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