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1. 发明授权

US4854112A Turf maintenance apparatus 失效
标题翻译：草坪养护设备
公开(公告)号：US4854112A
公开(公告)日：1989-08-08
申请号：US093349
申请日：1987-09-04
申请人： Charles C. Holley , Walter J. Petersen , Michael N. Zenner
发明人： Charles C. Holley , Walter J. Petersen , Michael N. Zenner
IPC分类号： A01D75/18 , A01D75/30
CPC分类号： A01D75/30 , A01D34/661 , A01D75/185
摘要： A rotary mower (10) including a front deck assembly (18) and a pair of wing decks (20). Each wing deck (20) is supported by a lift arm assembly including a main lift arm (26) and a lift arm extension (32). A pivot joint (30) exists between lift arms (26) and (32) so that when deck (20) is raised from its cutting position to its transport position it is also caused to rotate so that mower (10) maintains a relatively low profile even when decks (20) are in their transport position. Mower (10) also preferably includes a pair of breakaway assemblies (48) which allow wing decks (20) to "break away" in the event they strike an immovable object. Finally, a preferred mower (10) includes resilient bushing assemblies (38) between the wing deck lift arm assemblies and the wing deck housings (24) to minimize vibration and noise and provide some floating of the decks (20).
摘要翻译：一种旋转割草机（10），包括前甲板组件（18）和一对翼板（20）。每个翼甲板（20）由包括主提升臂（26）和升降臂延伸部（32）的提升臂组件支撑。枢轴接头（30）存在于提升臂（26）和（32）之间，使得当甲板（20）从其切割位置升高到其运送位置时，其也被转动，使得割草机（10）保持相对较低即使在甲板（20）处于运输位置时也是如此。割草机（10）还优选地包括一对分离组件（48），其允许翼甲板（20）在它们撞击不可移动的物体的情况下“脱离”。最后，优选的割草机（10）包括在（24）之间的弹性衬套组件（38），以最小化振动和噪音并提供甲板（20）的一些浮动。

2. 发明授权

US6089006A Grass catcher for lawn mower 失效
标题翻译：草坪割草机割草机
公开(公告)号：US6089006A
公开(公告)日：2000-07-18
申请号：US19822
申请日：1998-02-06
申请人： LeRoy Langford , Anthony N. Pink , Richard J. Guertin , Michael N. Zenner
发明人： LeRoy Langford , Anthony N. Pink , Richard J. Guertin , Michael N. Zenner
IPC分类号： A01D34/63 , A01D43/063 , A01D43/077
CPC分类号： A01D43/077 , A01D43/0631 , A01D2101/00 , A01D34/63
摘要： A grass catcher for receiving air and grass clippings from a mower cutter deck includes an inlet for admitting air and clippings into the grass catcher, an outlet port for exhausting air out of the grass catcher, and at least two cylindrical, perforate air filters interposed between the inlet and the outlet port. The filters separate grass clippings from the air and permit air to pass through the filters and on to the outlet port. The grass catcher also includes a wave form energy transmitter and a wave form energy receiver positioned in the grass catcher. The transmission of wave form energy between the transmitter and the receiver is interrupted when the level of accumulated grass clippings in the catcher exceeds a predetermined level. The interruption of the transmission triggers an alarm to alert an operator of the mower of the high clipping level within the catcher.
摘要翻译：用于从割草机切割板接收空气和草屑的草地捕捉器包括用于承认空气并将其剪取到草地捕集器中的入口，用于从除草器排出空气的出口和至少两个圆柱形穿孔空气过滤器，入口和出口。过滤器将草屑从空气中分离，并允许空气通过过滤器并进入出口。抓地者还包括定位在捕草器中的波形能量发射器和波形能量接收器。发射机和接收机之间的波形能量的传输在捕获器中累积的草地剪辑超过预定水平时被中断。传输的中断触发警报，以向捕手者中的高削波水平的操作者警告割草机。

3. 发明授权

US06497086B2 Rotary cutting desk corner suspension 有权
公开(公告)号：US06497086B2
公开(公告)日：2002-12-24
申请号：US09782726
申请日：2001-02-13
申请人： Rex R. Bergsten , Michael N. Zenner
发明人： Rex R. Bergsten , Michael N. Zenner
IPC分类号： A01D3466
CPC分类号： A01D34/81 , A01D2101/00
摘要： A rotary cutting deck for a mower includes a cutting deck supported by wheels at three of the four corners of the deck. The other corner of the cutting deck, namely a corner of the deck that is close to the mower, is supported by a corner suspension that lifts upwardly with a biasing force sufficient to elevate that corner of the deck above the ground. This corner suspension takes the place of the caster wheel that would normally support this corner of the deck, and thus permits the deck to be moved closer to the side of the mower, thus reducing overall mower width without decreasing the width of the cutting swath.

4. 发明授权

US4930298A Cutting unit cover 失效
标题翻译：切割单元盖
公开(公告)号：US4930298A
公开(公告)日：1990-06-05
申请号：US324120
申请日：1989-03-16
申请人： Michael N. Zenner
发明人： Michael N. Zenner
IPC分类号： A01D34/81
CPC分类号： A01D34/81 , A01D2101/00
摘要： A plastic cover for a rotary deck. A preferred cover (54a) is connected to a wing deck (28a) by magnetic latches and mechanical securing means. The magnetic latches preferably include magnets (69) connected to the deck and magnetic plates (66) fixed to the underside of the deck cover (54a). The mechanical securing means preferably includes a pair of pins (70) extending upwardly from the deck proximate magnets (69), wherein the deck cover (54a) forms a pair of apertures (72) for receiving pins (70). Pins (70) and apertures (72) prevent horizontal or shearing motion of deck cover (54a) relative to deck (28a), whereas the magnetic latches prevent vertical movement of cover (54a) relative to deck (28a). Hooks (64) or a flange (73) can be used to secure one of the edges of cover (54a), as well.
摘要翻译：旋转甲板的塑料盖。优选的盖（54a）通过磁性闩锁和机械固定装置连接到翼甲板（28a）。磁性闩锁优选地包括连接到甲板的磁体（69）和固定到甲板盖（54a）的下侧的磁性板（66）。机械固定装置优选地包括从甲板附近从磁体（69）向上延伸的一对销（70），其中甲板盖（54a）形成用于接收销（70）的一对孔（72）。销（70）和孔（72）防止甲板盖（54a）相对于甲板（28a）的水平或剪切运动，而磁闩锁防止盖（54a）相对于甲板（28a）的垂直运动。钩子（64）或凸缘（73）也可用于固定盖（54a）的边缘之一。

5. 发明授权

US5355664A Caster wheel suspension and shaft tensioning system for turf maintenance equipment 失效
标题翻译：脚轮轮悬挂和用于草皮维护设备的轴张紧系统
公开(公告)号：US5355664A
公开(公告)日：1994-10-18
申请号：US994494
申请日：1992-12-21
申请人： Michael N. Zenner
发明人： Michael N. Zenner
IPC分类号： A01D34/82 , B60B33/02 , A01D34/00 , A01D67/00
CPC分类号： A01D34/82 , A01D34/662 , A01D2034/645 , A01D2101/00 , B60B33/0039 , B60B33/0049 , B60B33/0057 , B60B33/0068 , B60Y2200/223 , Y10S56/03 , Y10S56/10 , Y10T16/196
摘要： A rotary mower (22) having an improved castering wheel assembly (39, 92) so as to reduce rotation of the castering wheel (4) about its support shaft (6). In one embodiment, a torsion resistance mechanism (2) is interposed between the shaft (3) and mower frame (67), the torsion resistance mechanism (2) including a resilient material (46) rigidly bonded to a sleeve (77) in which the shaft (3) is retained. The resilient material (46) is press fit into a housing (11), the housing (11) being rigidly bonded to the mower frame (67). In another embodiment, a cap (98) housing a spring (102) is threadably attached to the castering wheel support shaft (81). Rotation of the cap (98) compresses spacers (85-90) mounted co-axially on the shaft (81) while urging the shaft (81) in an upward direction (111) so as to prevent axial rotation of the shaft (81) when the castering wheel loses contact with the ground.
摘要翻译：一种具有改进的脚轮组件（39,92）的旋转式割草机（22），以便减小脚轮（4）围绕其支撑轴（6）的旋转。在一个实施例中，扭转阻力机构（2）插入在轴（3）和割草机架（67）之间，扭转阻力机构（2）包括刚性地结合到套筒（77）的弹性材料（46），其中轴（3）被保持。弹性材料（46）压配合到壳体（11）中，壳体（11）刚性地结合到割草机框架（67）。在另一个实施例中，容纳弹簧（102）的帽（98）螺纹连接到脚轮支撑轴（81）上。盖（98）的旋转压缩同轴地安装在轴（81）上的间隔件（85-90），同时沿向上方向（111）推动轴（81），以防止轴（81）的轴向旋转，当脚轮与地面接触时。

6. 发明授权

US5212938A Mulching mower with obround cutting chamber 失效
标题翻译：带有圆形切割室的MULCHING MOWER
公开(公告)号：US5212938A
公开(公告)日：1993-05-25
申请号：US800324
申请日：1991-11-27
申请人： Michael N. Zenner , Richard J. Guertin
发明人： Michael N. Zenner , Richard J. Guertin
IPC分类号： A01D34/64 , A01D34/00 , A01D34/63 , A01D34/685
CPC分类号： A01D34/005 , A01D34/685 , A01D2101/00
摘要： A mulching mower has at least one generally enclosed cutting chamber in which a rotatable cutting blade is carried for rotation in a generally horizontal cutting plane. The side wall which defines the circumferential boundary of the cutting chamber is not perfectly circular with respect to the axis of blade rotation. Instead, the chamber is stretched or elongated with respect to the blade tips over the rear half of the chamber to be obround to the rear of the chamber. This enhances use of the mower as a mulcher. In addition, grass deflecting members are desirably used in the rear half of the chamber to further enhance the mulching action provided by the chamber.
摘要翻译：覆盖割草机具有至少一个通常封闭的切割室，其中可转动的切割刀片被承载以在大致水平的切割平面中旋转。限定切割室的圆周边界的侧壁相对于叶片旋转的轴线不是完全圆形的。相反，腔室相对于腔室的后半部分上的叶片尖端被拉伸或拉长，以被遮蔽于腔室的后部。这增强了作为割草机的割草机的使用。此外，希望在室的后半部使用草偏转构件，以进一步增强由室提供的覆盖作用。

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