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    • 3. 发明授权
    • Bearing arrangement for a drive shaft
    • 驱动轴的轴承布置
    • US5839961A
    • 1998-11-24
    • US873639
    • 1997-06-12
    • Bernd Andress
    • Bernd Andress
    • A01D34/68A01G3/06B27B5/30F16C1/02F16C1/06F16C1/28F16C17/02F16C27/02
    • F16C27/02A01G3/062B27B5/30F16C1/06F16C1/28A01D34/90Y10T464/50
    • The invention is directed to a bearing arrangement for a drive shaft connecting a work tool to a drive unit. A protective tube has an inner wall surface and is part of this bearing arrangement. A bearing structure is mounted in the protective tube and has a bearing sleeve for accommodating the drive shaft therein. A plurality of longitudinally running supporting ribs extend from the bearing sleeve to act on the inner wall surface to hold the bearing sleeve approximately centered in the protective tube. Each of the supporting ribs includes a radial leg extending approximately radially from the bearing sleeve and a peripheral leg extending axially of the radial leg and approximately in the peripheral direction of the inner wall surface. The radial leg has an outer radial end portion facing toward the inner wall surface so as to leave a gap therebetween. The peripheral leg extends from the radial leg at the outer radial end portion and is supported on the inner wall surface. The peripheral leg is joined to the radial leg at an angle of less than 90.degree..
    • 本发明涉及一种用于将工作工具连接到驱动单元的驱动轴的轴承装置。 保护管具有内壁表面并且是该轴承装置的一部分。 轴承结构安装在保护管中,并具有用于在其中容纳驱动轴的轴承套筒。 多个纵向运行的支撑肋从轴承套筒延伸以作用在内壁表面上,以将轴承套保持在大致中心在保护管中。 每个支撑肋包括从轴承套大致径向延伸的径向支腿和沿着径向支腿轴向延伸并且大致沿着内壁表面的周向方向延伸的周向腿部。 径向腿具有面向内壁表面的外径向端部,以便在它们之间留有间隙。 外周腿在外径向端部处从径向腿延伸并且被支撑在内壁表面上。 外周腿以小于90度的角度与径向腿连接。
    • 5. 发明授权
    • Saw chain for a motor-driven chain saw
    • 用于电动链锯的锯链
    • US06308606B1
    • 2001-10-30
    • US09404165
    • 1999-09-27
    • Jochen BuchholtzBernd Andress
    • Jochen BuchholtzBernd Andress
    • B27B3314
    • B27B33/14B27B33/142Y10T83/909Y10T83/925
    • The invention is directed to a saw chain for a motor-driven chain saw comprising center drive links and lateral connecting links which are pivotally connected to each other via rivets lying transversely to the longitudinal direction of the chain. Individual connecting links are configured as cutting links and have a cutting tooth with a roof bent over toward the chain center. The roof has a leading edge and a trailing edge which lie each transverse to the longitudinal direction of the chain. The leading edge is configured as a roof cutting edge and lies higher than the trailing edge which lies at a spacing above a depression. The depression is formed in the region between the rivet holes in the adjacent upper edge of the drive link and delimits a chip channel. The recess is formed asymmetrically on a drive link with respect to the center perpendicular of an imaginary connecting line between the center points of the rivet holes. In this way, a blockage-free removal of chips is ensured and a high cutting power is provided.
    • 本发明涉及一种用于电动链锯的锯链,其包括通过横向于链条的纵向方向的铆钉而枢转地相互连接的中心驱动连杆和横向连接链节。 单个连接链路被配置为切割链接,并且具有切割齿,其顶部朝向链中心弯曲。 屋顶具有前缘和后缘,其各自横向于链条的纵向方向。 前缘被配置为屋顶切割边缘并且位于高于凹陷处的间隔处的后缘。 凹陷形成在驱动连杆的相邻上边缘中的铆钉孔之间的区域中,并限定了芯片通道。 凹部相对于铆钉孔的中心点之间的虚拟连接线的中心垂直线在驱动连杆上不对称地形成。 以这种方式,确保了无堵塞的芯片去除并提供高切割能力。
    • 6. 发明授权
    • Method of assembling a guide bar
    • 组装导杆的方法
    • US6138339A
    • 2000-10-31
    • US285273
    • 1999-04-02
    • Heinz EscherBernd AndressMartin BaumDavid Mitrega
    • Heinz EscherBernd AndressMartin BaumDavid Mitrega
    • B27B17/02B23D57/02
    • B27B17/025Y10T29/49799
    • The invention relates to a method for assembling a guide bar having a guide groove for a saw chain of a motor-driven chain saw. The guide groove extends along the periphery of the guide bar. The guide bar includes two parallel mutually adjacent side parts and individual spacers arranged between the side parts. The spacers hold the side parts at a spacing corresponding to the groove width. The side parts as well as the spacers are inseparably joined to each other at individual attachment points. A spacer is arranged at each attachment point. The spacers are fixed to a common carrier to obtain a light guide bar accurate with respect to size. The carrier is removed after the side parts are joined.
    • 本发明涉及一种用于组装具有用于电动链锯的锯链的引导槽的导杆的方法。 引导槽沿引导杆的周边延伸。 引导杆包括两个平行的相互相邻的侧部和设置在侧部之间的单独的间隔件。 间隔件以对应于凹槽宽度的间隔物保持侧部。 侧面部分和间隔物在各个附着点处彼此不可分离地接合。 在每个连接点设置间隔物。 间隔件被固定到公共载体上以获得相对于尺寸精确的导光棒。 在侧面部件接合后,移除托架。
    • 7. 发明授权
    • Guide bar for a motor chain saw
    • 汽车链锯的导杆
    • US5842279A
    • 1998-12-01
    • US975797
    • 1997-11-21
    • Bernd AndressRoland Schierling
    • Bernd AndressRoland Schierling
    • B23D57/02B27B17/02
    • B27B17/025B23K2203/04
    • A guide bar for a saw chain of a motor chain saw has a single member steel plate having a center plane and a circumferential guide groove for guiding a saw chain extending in the center plane. The steel plate has a longitudinal extension and a height perpendicular to the longitudinal extension. The steel plate has a cutout extending over a portion of the longitudinal extension and over a portion of the height. A filling member, consisting of a casting material having a smaller density than the steel plate, is cast into the cutout. The cutout has a circumferential edge facing the filling member. The circumferential edge has undercuts uniformly distributed along the circumferential edge. The filling member has a shrinkage rate of at least 0.5% for engaging positive-lockingly the undercuts upon solidification of the casting material to thereby create a uniformly distributed pretension within the center plane of the guide bar in the unloaded state of the guide bar.
    • 用于电动链锯的锯链的导杆具有单个构件钢板,其具有中心平面和周向引导槽,用于引导在中心平面中延伸的锯链。 钢板具有纵向延伸部和垂直于纵向延伸部分的高度。 钢板具有在纵向延伸部分的一部分上延伸并在高度的一部分上的切口。 由具有比钢板密度小的铸造材料构成的填充构件被铸造到切口中。 切口具有面向填充构件的圆周边缘。 圆周边缘具有沿圆周边缘均匀分布的底切。 填充构件具有至少0.5%的收缩率,用于在铸造材料固化时正向锁定底切,从而在导杆的无负载状态下在导杆的中心平面内产生均匀分布的预张紧。