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    Hand-operated implement comprising a cutting chain for cutting mineral and metal materials
    1.
    发明授权
    Hand-operated implement comprising a cutting chain for cutting mineral and metal materials 有权
    手动工具包括用于切割矿物和金属材料的切割链

    公开(公告)号：US08869787B2

    公开(公告)日：2014-10-28

    申请号：US13650153

    申请日：2012-10-12

    申请人： Andreas Stihl AG & Co. KG

    发明人： Hannah Thölking ,  Horst Otterbach ,  Helmut Zimmermann ,  Jens Kreutzer ,  Jonas Lank

    IPC分类号： B28D1/08 ,  B27B17/02

    CPC分类号： B28D1/082 ,  B27B17/02 ,  Y10T83/917

    摘要： A hand-operated implement has a guide bar on which is fitted a cutting chain for cutting mineral and metal materials. The cutting chain is driven around the guide bar by a chain sprocket. The chain sprocket is arranged in a chain sprocket chamber which is delimited by a chain sprocket cover. A cutting element has an outer side facing a sidewall of the chain sprocket cover which lies in a first notional plane. The distance between the sidewall and the first notional plane measured perpendicular to the first notional plane and centrally between the top of the cutting element and the peripheral wall is less than approximately 0.8 cm over at least 30% of the section between a second notional plane containing the central axis of a fixing bolt on the guide bar and the exit opening at which the cutting chain leaves the chain sprocket chamber.

    摘要翻译： 手动工具具有导杆，在其上装有用于切割矿物和金属材料的切割链。 切割链由链条链条围绕导杆驱动。 链轮链条设置在由链轮盖限定的链轮链槽中。 切割元件具有面向位于第一假想平面中的链轮盖的侧壁的外侧。 在垂直于第一假想平面测量的侧壁和第一假想平面之间的距离在切割元件的顶部与周边壁之间的中心处的距离小于在包含第二概念平面的第二概念平面之间的至少30％ 引导杆上的固定螺栓的中心轴线和切割链离开链轮链条的出口。

    Bi-directional chainsaw chain
    2.
    发明授权
    Bi-directional chainsaw chain 失效
    双向链锯

    公开(公告)号：US08256335B1

    公开(公告)日：2012-09-04

    申请号：US12800640

    申请日：2010-05-19

    申请人： Wyatt Canon

    发明人： Wyatt Canon

    IPC分类号： B27B33/02 ,  B27B33/14

    CPC分类号： B27B33/14 ,  Y10T83/909 ,  Y10T83/917

    摘要： A saw chain which is reversible having adjacent chain sections each having a pair of cutting links with cutting teeth disposed on opposite sides of the chain having flanged cutting teeth extending over the chain. The cutting edge on the pairs of cutting teeth on adjacent sections are oppositely disposed so that when the chain becomes dulled it can be reversed on the chain saw bar to reverse the chain sections to place sharp teeth in the cutting position and the previously used teeth are in a non-cutting position.

    摘要翻译： 具有可逆的锯链，其具有相邻的链节，每个链节具有一对切割链节，切割链设置在链条的相对侧上，该链条具有在链上延伸的带凸缘的切割齿。 相邻部分上的成对切削齿上的切削刃相对设置，使得当链条变钝时，链锯可以反转链条部分以将锋利的齿放置在切割位置，并且先前使用的齿是 处于非切割位置。

    Flexible tree saw
    4.
    发明授权
    Flexible tree saw 失效
    灵活的树锯

    公开(公告)号：US4344229A

    公开(公告)日：1982-08-17

    申请号：US119167

    申请日：1980-02-06

    申请人： Robert M. Johnson

    发明人： Robert M. Johnson

    IPC分类号： A01G3/08 ,  B23D57/02 ,  B27B21/00 ,  B27B33/14

    CPC分类号： B23D57/023 ,  A01G3/08 ,  Y10T83/909 ,  Y10T83/917

    摘要： This invention pertains to apparatus for trimming branches of trees and particularly branches high above the ground, without a pole saw, climbing the tree or using a ladder. The apparatus include spaced cutting links with sharp teeth at one end fastened upon a flexible chain. Each end of the chain is connected to a length of rope. A metal weight, sand bag, etc. attached to one of the ropes carries the flexible chain into position over the branch desired to be cut. A counter weight is also provided on one end of the flexible chain to automatically position the cutting side of the spaced cutting links in a downward facing, cutting position as the chain is pulled up onto and over the branch.

    摘要翻译： 本发明涉及用于修剪树木的分支的装置，特别是高于地面的树枝，没有杆锯，爬树或使用梯子。 该设备包括间隔开的切割链接，其一端处的尖锐的齿固定在柔性链条上。 链条的每一端连接一段绳索。 附着在其中一根绳索上的金属重量，沙袋等将柔性链带入希望切割的分支上的位置。 在柔性链的一端上还设置有一个配重，以便当链条被拉到分支上和上方时，将间隔开的切割链节的切割面自动定位在面向下的切割位置。

    Method and system for sharpening teeth on saw chains
    10.
    发明授权
    Method and system for sharpening teeth on saw chains 失效
    在锯链上磨牙的方法和系统

    公开(公告)号：US06334809B1

    公开(公告)日：2002-01-01

    申请号：US09423668

    申请日：1999-11-22

    申请人： Kåre Spang

    发明人： Kåre Spang

    IPC分类号： B24B1100

    CPC分类号： B23D63/168 ,  Y10T83/917

    摘要： For users of chain saws it is known that the chain saw teeth should rather often be sharpened by filing in order to keep them well cutting. Traditionally, such a sharpening is effected by means of a straight filing rod moved in a reciprocal manner, but according to the invention it is realized that it is better to arrange the rod as a rotary circular or screw shaped formation, whereby the teeth can be worked in a simplified manner.

    摘要翻译： 对于链锯的用户，已知链锯齿通常应通过归档而被削尖以便保持良好的切割。 传统上，通过以往复的方式移动的直的锉刀来实现这种磨削，但是根据本发明，可以认识到，将棒设置为旋转的圆形或螺旋形的结构，由此齿可以是 以简化的方式工作。