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1. 发明授权

US11865662B2 Blade sharpeners 有权
公开(公告)号：US11865662B2
公开(公告)日：2024-01-09
申请号：US16690191
申请日：2019-11-21
申请人： American Lawn Mower Co.
发明人： Charles East , Rhett Thompson , Michael Kersey
IPC分类号： B24B3/42 , B24D15/06 , B24B3/50 , B24B3/54 , B24B3/36
CPC分类号： B24B3/42 , B24B3/365 , B24B3/50 , B24B3/54 , B24D15/06
摘要： A blade sharpener for manual use includes a base, and at least one sharpening device pivotally attached to the base. Each sharpening device has a channel for receiving a blade to be sharpened. A second pivotally attached device may be sharpening device or a guide. The two devices are pivotable independently of each other thereby accommodating any curvature of a blade to be sharpened as the blade sharpener is moved along the blade. A blade sharpener for use with a powered rotary tool includes a main body having a bore for receiving the powered rotary tool, and a channel for receiving a blade to be sharpened. A guide having a channel is pivotably attached to the main body to accommodate any curvature of a blade.

2. 发明申请

US20210154792A1 BLADE SHARPENERS 有权
公开(公告)号：US20210154792A1
公开(公告)日：2021-05-27
申请号：US16690191
申请日：2019-11-21
申请人： American Lawn Mower Co.
发明人： Charles East , Rhett Thompson , Michael Kersey
IPC分类号： B24B3/42
摘要： A blade sharpener for manual use includes a base, and at least one sharpening device pivotally attached to the base. Each sharpening device has a channel for receiving a blade to be sharpened. A second pivotally attached device may be sharpening device or a guide. The two devices are pivotable independently of each other thereby accommodating any curvature of a blade to be sharpened as the blade sharpener is moved along the blade. A blade sharpener for use with a powered rotary tool includes a main body having a bore for receiving the powered rotary tool, and a channel for receiving a blade to be sharpened. A guide having a channel is pivotably attached to the main body to accommodate any curvature of a blade.

3. 发明申请

US20180036855A1 MOWER REEL GRINDING SYSTEM USING PREDETERMINED BRACKET POSITIONS 审中-公开
公开(公告)号：US20180036855A1
公开(公告)日：2018-02-08
申请号：US15723560
申请日：2017-10-03
申请人： Foley-Belsaw
发明人： Gregory A. Veenendall , Andrew R. Chollett
IPC分类号： B24B3/42 , B24B3/36
CPC分类号： B24B3/42 , B24B3/365
摘要： A mower reel grinding apparatus for a plurality of type of mower units, the apparatus including an enclosure including a plurality of predetermined fixed positions, each predetermined fixed position corresponding to at least one type of mower unit of the plurality of mower units, a grinding wheel, and a bracket to receive and releasably secure to a predetermined location on any one of the plurality of types of mower units, the bracket moveable to the predetermined fixed position corresponding to the type of mower unit releasably secured thereto such that a cutting reel of the mower unit is positioned at a desired position relative to the grinding wheel.

4. 发明授权

US5159784A Portable apparatus for sharpening blades 失效
标题翻译：用于磨刀刀片的便携式设备
公开(公告)号：US5159784A
公开(公告)日：1992-11-03
申请号：US743834
申请日：1991-08-12
申请人： James E. Varner, Sr. , June W. DePriest
发明人： James E. Varner, Sr. , June W. DePriest
IPC分类号： B24B3/36 , B24B3/42
CPC分类号： B24B3/42 , B24B3/365
摘要： A portable blade sharpening apparatus is disclosed which can be used to sharpen blades while they remain attached to their machines. The blade sharpening apparatus is powered by an electric motor and includes a circular grinding stone which is angled on one side in order to match the angle of the blade to be sharpened. The angle of the grinding stone can be varied, depending upon the angle of the blade that is to be sharpened. The blade sharpening apparatus includes a guide bracket having fingers positioned to limit movement of the grinding stone relative to the blade being sharpened so as to prevent accidental contact between the blade and the drive shaft of the grinding stone.
摘要翻译：公开了一种便携式叶片磨边装置，其可用于在刀片保持连接到其机器的同时锐化刀片。刀片磨边装置由电动机驱动，并且包括圆形磨石，其在一侧成角度以匹配待削尖刀片的角度。研磨石的角度可以根据要被削尖的叶片的角度而变化。刀片磨边装置包括具有用于限制磨石相对于刀片被磨削的运动的指状物的引导支架，以防止刀片与磨石的驱动轴之间的意外接触。

5. 发明授权

US4746330A Method and apparatus for lapping reel mowers 失效
标题翻译：用于研磨卷取机的方法和装置
公开(公告)号：US4746330A
公开(公告)日：1988-05-24
申请号：US72787
申请日：1987-07-13
申请人： Curtis D. Johnson
发明人： Curtis D. Johnson
IPC分类号： B24B3/42
CPC分类号： B24B3/42
摘要： The apparatus and method of this invention pertain to the sharpening of the blades of a reel mower having a framework about the reel. The apparatus comprises a belt having protuberances thereon, an assembly of pulleys and a drive motor for driving the belt and guiding the belt and protuberances to engage with the blades of the reel mower. The method of the invention is to use the apparatus of this invention and place it in a position so that, when the belt is revolved about the pulleys, the protuberances engage the blades of the reel mower thereby causing the reel to rotate in an opposite direction from the belt movement.
摘要翻译：本发明的设备和方法涉及具有围绕卷轴的框架的卷取机的叶片的磨削。该装置包括带上的突起，皮带轮组件和驱动马达，用于驱动皮带并引导皮带和凸起与卷轴割草机的叶片啮合。本发明的方法是使用本发明的装置并将其放置在一个位置上，使得当皮带绕皮带轮旋转时，突起与卷轴割草机的叶片接合，从而使卷轴沿相反方向旋转从皮带运动。

6. 发明授权

US4635402A Knife abrasive apparatus for rotary drum shaped cutter 失效
标题翻译：用于旋转鼓形刀具的刀具研磨设备
公开(公告)号：US4635402A
公开(公告)日：1987-01-13
申请号：US705309
申请日：1985-02-25
申请人： Busaburo Sakabe , Kounosuke Hyuga , Kazuhito Araki
发明人： Busaburo Sakabe , Kounosuke Hyuga , Kazuhito Araki
IPC分类号： B26D1/36 , B24B3/42 , B24B3/46 , B24B3/52 , B26D7/12 , B24B9/04 , B24B9/00
CPC分类号： B24B3/42
摘要： A knife abrasive apparatus for a rotary drum shaped cutter can grind the knife edge without causing it to be serrated. It has a rotary drum shaped cutter including a rotary drum and knives spacedly disposed on the outer periphery of the drum at a predetermined helical angle to a virtual surface which blade edges of the knives will draw. It also has an abrasive wheel to be used for grinding the edges. The wheel is declined at the rotary center axis with respect to a vertical plane to the rotary center axis of the cutter so that a composite vector composed of a peripheral velocity vector of the cutter and that of the wheel will become parallel to each of the edges in the longitudinal direction of each of the knives. The velocity of rotation of the cutter and the wheel is controlled to maintain the ratio of the peripheral velocity of the former and the latter constant. The abrasive wheel is supported by a movable supporting member.
摘要翻译：用于旋转鼓形刀具的刀具研磨装置可以研磨刀刃而不会使其锯齿。它具有旋转滚筒形切割器，其包括旋转滚筒和刀具，其间隔地布置在滚筒的外周边上，与刀具的刀刃边缘将绘制的虚拟表面成预定的螺旋角。它还具有用于研磨边缘的砂轮。轮子相对于切割器的旋转中心轴线的垂直平面在旋转中心轴线处下降，使得由切割器的圆周速度矢量和轮子的圆周速度矢量组成的复合矢量将变得平行于每个边缘在每个刀的纵向上。控制刀具和车轮的旋转速度以保持前者和后者的圆周速度的比率恒定。砂轮由可移动支撑构件支撑。

7. 发明授权

US4019287A Spiral knife sharpener 失效
标题翻译：螺旋刀磨刀机
公开(公告)号：US4019287A
公开(公告)日：1977-04-26
申请号：US586420
申请日：1975-06-12
申请人： Lowell J. Goering , Harold William Voth
发明人： Lowell J. Goering , Harold William Voth
IPC分类号： A01D75/08 , B24B3/42
CPC分类号： B24B3/42
摘要： The cutting cylinder of a forage harvester has helically oriented knives which may be sharpened by shifting a spinning grinding stone back and forth across the housing for the cylinder in parallel relationship with the axis of rotation of the cylinder. Opposed sets of roller guides which move with the stone in its straight line reciprocation trap the blade being sharpened and force the cylinder to rotate to such an extent and in such a direction as to continuously maintain the bevel on the knife engaged with the stone, thereby compensating for the helical orientation of the knife. One set of roller guides rides along the normally leading edge of the knife being sharpened, while the other set of opposed roller guides rides along the outer surface of the knife being sharpened.
摘要翻译：饲料收割机的切割圆筒具有螺旋定向的刀，其可以通过使旋转的研磨石通过用于气缸的壳体来回旋转而与气缸的旋转轴线平行的关系来削尖。相对的一组滚子导轨与石头在其直线往复运动中移动，使得叶片被磨削并且迫使气缸旋转到这样一个程度并沿着连续地保持与石头接合的刀上的斜面的方向，从而补偿刀的螺旋取向。一组滚子导轨沿着刀尖的正常前缘沿着锋利的边缘进行磨削，而另一组相对的滚子导轨沿着刀的外表面被磨削。

8. 发明授权

US3958766A Cutterhead rotating mechanism for forage harvester 失效
标题翻译：饲料收割机切割头旋转机构
公开(公告)号：US3958766A
公开(公告)日：1976-05-25
申请号：US583067
申请日：1975-06-02
申请人： Joe E. Shriver
发明人： Joe E. Shriver
IPC分类号： A01D75/08 , A01F29/22 , B24B3/42 , B24B19/00
CPC分类号： A01F29/22 , A01D75/08 , B24B3/42
摘要： A forage harvester having a rotatable cutter head co-acting with a shear bar is provided with means to rotate the cutter head stepwise for inspection of the knives of the cutter head without manually engaging the same. The means for advancing the cutter head also provide tension applied against the knives of the cutter head incident to the same being ground by a rotatable grinding wheel to re-bevel the surfaces of the knives adjacent the cutting edges thereof for purposes of producing effective operating engagement of said grinding wheel with said knives during such re-bevelling of the same.
摘要翻译：具有与剪切杆共同作用的可旋转刀头的饲料收割机设置有用于逐步旋转刀头的装置，用于检查刀头的刀具而不用手动地接合刀片。用于推进刀头的装置还提供施加到刀头的刀具上的张力，所述刀头入射到相同的刀片上，由可旋转的砂轮磨削，以便相邻切削刃的刀面的表面重新斜切，以便产生有效的操作接合的砂轮与所述刀在这样的重新翻倒期间。

9. 发明授权

US3889887A Apparatus to control both the operation of a cutting reel and the grinding mechanism of a forage harvester 失效
标题翻译：用于控制切割卷轴的操作和饲料收割机的研磨机构的装置
公开(公告)号：US3889887A
公开(公告)日：1975-06-17
申请号：US41746173
申请日：1973-11-19
申请人： SPERRY RAND CORP
发明人： WAGSTAFF ROBERT A , PEDERSEN POUL K
IPC分类号： A01D34/30 , A01D75/08 , B24B3/42
CPC分类号： A01D75/08 , A01D69/06 , A01F29/22 , Y10T74/19079 , Y10T74/19219 , Y10T83/313
摘要： An apparatus for controlling both the operation of a cutting reel and the grinding mechanism of a forage harvester having a transmission member which supplies power from the drive shaft to a coupling assembly. The coupling assembly is operably associated with the drive means of both the cutting reel and the grinding mechanism to selectively drive the cutting reel in a forward direction while the grinding mechanism is disengaged from the drive shaft, or in a rearward direction while simultaneously driving the grinding mechanism, or to drive the grinding mechanism while the cutting reel is completely disengaged from the drive shaft.
摘要翻译：一种用于控制切割卷轴的操作和饲料收割机的研磨机构的装置，其具有从驱动轴向联接组件供应动力的传动部件。联接组件与切割卷轴和研磨机构的驱动装置可操作地相关联，以在磨削机构与驱动轴脱离或沿向后方向选择性地驱动切割卷轴同时驱动研磨机构，或者当切割卷轴与驱动轴完全脱离时驱动研磨机构。

10. 发明授权

US3866362A Lawn mover sharpening attachment 失效
标题翻译：草坪移动器磨刀附件
公开(公告)号：US3866362A
公开(公告)日：1975-02-18
申请号：US37812173
申请日：1973-07-11
申请人： P D SPRINGALL LIMITED
发明人： RIACH ALLAN , SINCLAIR THOMAS
IPC分类号： B24B3/42
CPC分类号： B24B3/42
摘要： A sharpening attachment for a grass cutting machine of the rotating cylinder type has an abrasive element which, in use, is pivotally mounted on a tie bar of the machine by two adjustable arms, a spring element interconnecting the two arms and a positioning member in use mounted on said tie bar and acting on the spring element such that the abrasive element is brought into a spring pressured relationship with the blades of the machine so as to sharpen the blades on rotation thereof.
摘要翻译：用于旋转圆筒型割草机的磨削附件具有研磨元件，其在使用中通过两个可调节臂枢转地安装在机器的拉杆上，弹簧元件将两个臂互连并使用定位构件安装在所述连接杆上并作用在弹簧元件上，使得研磨元件与机器的刀片成弹簧压力关系，以便在旋转时锐化刀片。

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