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    • 4. 发明公开
    • WERKZEUGMASCHINENTRENNVORRICHTUNG
    • EP3328600A1
    • 2018-06-06
    • EP16736826.5
    • 2016-07-04
    • Robert Bosch GmbH
    • ENGELFRIED, UweGRULICH, Petr
    • B27B17/02B27B17/14
    • The invention is based on a power-tool cutting device with at least one cutting strand (12a; 12b; 12c; 12d), with at least one guide unit (14a; 14b; 14c; 14d) for guiding the cutting strand (12a; 12b; 12c; 12d), which guide unit in particular together with the cutting strand (12a; 12b; 12c; 12d) forms a closed system, and with at least one deflecting unit (18a; 18b; 18c; 18d) which is arranged on a drive-remote side (16a; 16b; 16c; 16d) of the guide unit (14a; 14b; 14c; 14d) and has at least one movably mounted deflecting element (20a; 20b; 20c; 20d) for deflection of the cutting strand (12a; 12b; 12c; 12d) at least while the cutting strand (12a; 12b; 12c; 12d) revolves about the guide unit (14a; 14b; 14c; 14d), said deflecting element comprising at least one contact surface (22a; 22b; 22c; 22d) for an at least temporary contact with the cutting strand (12a; 12b; 12c; 12d). It is proposed that the deflecting element (20a; 20b; 20c; 20d) is designed to be at least substantially free from an extension for engagement in the cutting strand (12a; 12b; 12c; 12d).
    • 6. 发明公开
    • ARBEITSGERÄT
    • EP3197651A1
    • 2017-08-02
    • EP15766398.0
    • 2015-09-12
    • Andreas Stihl AG & Co. KG
    • FREY, BenjaminZIMMERMANN, HelmutUHL, Klaus-Martin
    • B27B17/14
    • B27B17/14B27B17/02
    • The invention relates to a work device with a guide rail (4) on which a chain (5) is driven in a circulating manner. The work device has a clamping device (15) for the chain (5). The clamping device (15) has a clamping element (16) which acts on the guide rail (4) in the direction (19) of the longitudinal central axis (18) of the guide rail (4). The clamping device (15) has a rotatably mounted adjusting element (17) which is connected to the clamping element (16) via a threaded connection (20). A rotation of the adjusting element (17) about its rotational axis (21) causes a movement of the clamping element (16) in the direction (19) of the longitudinal central axis (18) of the guide rail (4). The outer circumference of the adjusting element (17) has a threaded portion (22) with at least one turn (23), said threaded portion being provided for engaging with at least one threaded portion (24) of the clamping element (16). The adjusting element (17) has an actuating contour (39) so that a user can rotate the adjusting element (17), said actuating contour comprising at least one depression. The largest spacing (b) between the threaded portion (22) of the adjusting element (17) and the rotational axis (21) is at least as large as the largest spacing (a) between the actuating contour (39) and the rotational axis (21).
    • 具有导轨(4)的工作装置技术领域本发明涉及一种具有导轨(4)的工作装置,链条(5)以循环方式被驱动在该导轨上。 工作装置具有用于链条(5)的夹紧装置(15)。 夹紧装置(15)具有夹紧元件(16),该夹紧元件在导轨(4)的纵向中心轴线(18)的方向(19)上作用在导轨(4)上。 夹紧装置(15)具有可旋转地安装的调节元件(17),其通过螺纹连接(20)连接到夹紧元件(16)。 调节元件(17)围绕其旋转轴线(21)的旋转引起夹紧元件(16)在导轨(4)的纵向中心轴线(18)的方向(19)上的移动。 调节元件(17)的外圆周具有带有至少一个螺纹部分(23)的螺纹部分(22),所述螺纹部分设置用于与夹紧元件(16)的至少一个螺纹部分(24)接合。 调节元件(17)具有致动轮廓(39),使得使用者可以旋转调节元件(17),所述致动轮廓包括至少一个凹陷。 调节元件(17)的螺纹部分(22)和旋转轴线(21)之间的最大间距(b)至少与调节轮廓(39)和旋转轴线(21)之间的最大间距(a) (21)。
    • 8. 发明公开
    • FIREWOOD PROCESSOR WITH A TIGHTENABLE SAW CHAIN
    • BRENNHOLZVERARBEITER MIT EINER SPANNBARENSÄGEKETTE
    • EP2933074A1
    • 2015-10-21
    • EP15397513.1
    • 2015-04-13
    • Maaselän Kone Oy
    • Sirkka, Matti
    • B27B17/14B27L7/06B27B17/00B27G19/00
    • B27L7/06B27B17/0058B27B17/14B27G19/003B27L7/00
    • A firewood processor (100) with a tightenable saw chain (210), which processor comprises a frame (110) arranged to support the firewood processor (100) to a base, such as the ground, and a saw (200) for sawing wood raw material in a transverse direction into an intermediate product of a desired length. The saw (200) comprises a saw chain (210), a flange (212) for guiding said saw chain (210) and a sprocket (216), which is arranged to convey the driving force to said saw chain (210). The firewood processor further comprises a splitting section (400) for splitting the intermediate product of a desired length in the longitudinal direction into a desired size, which splitting section (400) comprises a splitting wedge (410) and means for splitting the intermediate product of a desired length by means of the splitting wedge (410). In addition, the firewood processor (100) comprises automatic means for tightening the saw chain (210) of said saw and for maintaining the tightness.
    • 具有可收紧的锯链(210)的木柴处理器(100),所述处理器包括布置成将木柴处理器(100)支撑到诸如地面的基座的框架(110)和用于锯木材的锯(200) 原材料在横向上成为期望长度的中间产品。 锯(200)包括锯链(210),用于引导锯链(210)的凸缘(212)和链轮(216),其被布置成将驱动力传递到所述锯链(210)。 所述木柴处理器还包括分割部分(400),用于将长度方向所需长度的中间产品分解成期望的尺寸,所述分割部分(400)包括分裂楔(410)和用于将所述中间产物 通过分离楔(410)的所需长度。 此外,木柴处理器(100)包括用于紧固所述锯的锯链(210)并用于保持紧密度的自动装置。