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    • 1. 发明授权
    • Sharpening device for a back-sharpened saw chain of a motor chain saw
    • 用于电动链锯的背面锐化锯链的磨削装置
    • US4385532A
    • 1983-05-31
    • US193897
    • 1980-10-06
    • Hans DolataWerner MeyleHans-Georg KaiserGerhard OdenwaldGunther Weyda
    • Hans DolataWerner MeyleHans-Georg KaiserGerhard OdenwaldGunther Weyda
    • B23D63/16
    • B23D63/168
    • A sharpening device, for the saw chain of a motor chain saw, with a holding device for a sharpening element which is arranged in the region of the reversing radius and is curved approximately concavely with respect to the center of this reversing radius. The sharpening element is seated upon an adjustment lever which is pivotable in a direction toward the saw chain. This lever cooperates with a screw device which determines the feed path of the sharpening element. An actuating handle is provided for the feeding of the sharpening element; this handle is arranged on that side of the housing of the chain saw located remote from the free reversing end of the guide bar of the saw chain. The actuating handle is preferably releasably secured in the grasping range of the front handle of the chain saw. The actuating handle is connected by a yieldable shaft with a threaded bolt associated with the feeding device, and the nut piece of the threaded bolt is seated in an extension of a support plate connected with the guide bar, that end segment of the threaded bolt which projects freely from the nut piece pressing against an adjustment lever pivotally journalled on the support plate. The adjustment lever supports the sharpening element and is spring biased, with the spring endeavoring to pivot the adjustment lever, together with the sharpening element, in a radial direction against the axis of the reversing chain gear.
    • 一种用于电动链锯锯锯的磨削装置,具有用于磨削元件的保持装置,该固定装置布置在反转半径的区域中并且相对于该反转半径的中心大致凹陷地弯曲。 磨刀元件位于可朝向锯链的方向上枢转的调节杆上。 该杆与确定磨刀元件的进给路径的螺钉装置配合。 提供致动手柄用于进给磨刀元件; 该手柄设置在远离锯链的导杆的自由反转端的链锯的壳体的一侧。 致动手柄优选地可释放地固定在链锯的前把手的把持范围内。 致动手柄通过可屈服轴与具有与进给装置相关联的螺纹螺栓连接,并且螺栓的螺母件位于与导杆连接的支撑板的延伸部中,该螺栓的端部段 从螺母片自由地突出地枢转地支撑在支撑板上的调节杆上。 调节杆支撑磨刀元件并且被弹簧偏置,弹簧努力使调节杆与磨刀元件一起沿径向相对于反向链齿轮的轴线枢转。
    • 3. 发明授权
    • Saw chain for a power-driven chain saw
    • 锯链为动力链锯
    • US4573386A
    • 1986-03-04
    • US510352
    • 1983-07-01
    • Bernd LindemannGotz LandwehrHans-Georg Kaiser
    • Bernd LindemannGotz LandwehrHans-Georg Kaiser
    • B27B33/14
    • B27B33/141B27B33/142Y10T83/917Y10T83/921Y10T83/925
    • The invention is directed to a saw chain for a power-driven chain saw. The saw chain includes a plurality of cutting links, a plurality of connecting links and a plurality of driving links. The links are interconnected by rivets to define the saw chain. The cutting links include a cutting tooth and a rearward foot defining a tilt edge. The cutting link tilts about the tilt edge when the cutting tooth penetrates the wood to be cut. In tilting about the tilt edge, the cutting edge of the cutting tooth is raised from a first elevation to a second elevation and the difference between these elevations is the tilt displacement. The tilt edge lies in a vertical plane which is perpendicular to a traverse plane containing the axes defined by the forward and rearward openings for the linkage rivets connecting the cutting link to the rest of the saw chain. The tilt edge is formed on the rearward foot at a location thereon such that the vertical plane lies within the forward half of the cutting tooth thereby reducing the tilt displacement to a predetermined magnitude. Accordingly, during the cutting operation of the saw chain, the tilt displacement is small and the cutting tooth does not draw itself into the wood to too great an extent whereby a more uniform cutting action by the cutting teeth of the cutting links is achieved and vibration of the saw chain is reduced.
    • 本发明涉及一种用于动力链锯的锯链。 锯链包括多个切割链接,多个连接链接和多个驱动链接。 链条通过铆钉相互连接,以定义锯链。 切割链接包括切割齿和限定倾斜边缘的后脚。 当切割齿穿过要切割的木材时,切割链接围绕倾斜边缘倾斜。 在倾斜边缘倾斜时,切割齿的切割刃从第一高度升高到第二高度,并且这些高度之间的差是倾斜位移。 倾斜边缘位于垂直于垂直于横向平面的垂直平面中,横向平面包含用于将切割链节连接到锯链的其余部分的连接铆钉的前部和后部开口所限定的轴线。 倾斜边缘形成在后脚上的位置上,使得垂直平面位于切割齿的前半部分内,从而将倾斜位移减小到预定的大小。 因此,在锯链的切割操作期间,倾斜位移小,切割齿不会自己进入木材到太大程度,从而实现切割链节的切割齿的更均匀的切割动作,并且振动 的锯链减少。