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    Portable log peeling apparatus having a draw knife
    11.
    发明授权
    Portable log peeling apparatus having a draw knife 失效
    具有拉刀的便携式日志剥离装置

    公开(公告)号：US4595041A

    公开(公告)日：1986-06-17

    申请号：US635667

    申请日：1984-07-30

    Applicant: Robert A. Fox ,  Clifford D. Hyatt

    Inventor： Robert A. Fox ,  Clifford D. Hyatt

    IPC: B27L1/00 ,  B27L1/06

    CPC classification number: B27L1/005 ,  B27L1/06

    Abstract: Portable apparatus for peeling logs has a powered draw knife mounted on a frame. The draw knife is swivably mounted on a cutter fork attached to a cutter rod, which is slidably mounted in a hydraulically or pneumatically powered cylinder. A cutter cradle attached to a slide bar on the frame allows an operator to optimally position the draw knife for each stroke. The frame is clamped to the log by a hydraulically or pneumatically powered clamp. The controls for operation of the draw knife are interlocked with the clamp controls for safety.

    Abstract translation: 用于剥离原木的便携式设备具有安装在框架上的动力牵引刀。 拉刀可旋转地安装在连接到切割杆上的切割叉上，该切割杆可滑动地安装在液压或气动动力缸中。 安装在框架上的滑杆上的切割器支架允许操作者对每个冲程最佳地定位拉刀。 框架通过液压或气动夹具夹紧在原木上。 为了安全起见，拉刀的操作控制与夹紧控制器互锁。

    On - the - elbe
    17.
    发明授权
    On - the - elbe 失效

    公开(公告)号：US576237A

    公开(公告)日：1897-02-02

    申请号：US576237D

    CPC classification number: B27L1/005

    Retractable debarking apparatus
    20.
    发明授权
    Retractable debarking apparatus 失效
    伸缩剥皮装置

    公开(公告)号：US06651709B1

    公开(公告)日：2003-11-25

    申请号：US10241358

    申请日：2002-09-11

    Applicant: Michael Poropat ,  Peter F. Lister ,  Rene K. Chong

    Inventor： Michael Poropat ,  Peter F. Lister ,  Rene K. Chong

    IPC: B27L105

    CPC classification number: B27L1/02 ,  B27L1/005 ,  B27L1/10

    Abstract: A retractable debarking block for a debarker having an enclosure to receive logs for debarking in order to vary the aggressiveness of the debarking process. The block member has a debarking surface with projecting teeth and is positionable within the enclosure of the debarker to be movable between a retracted position in which the debarking surface does not contact logs in the enclosure and an exposed position in which the debarking surface is exposed to engage logs. The block member is fittable into a rotor or drum type debarker. An actuator is provided to move the debarking surface between the retracted and exposed positions. The actuator is adapted to permit automatic movement of the debarking surface toward the retracted position if the force exerted by the logs exceeds a pre-set limit to prevent damage to the blocks and the logs. Preferably, the actuator is an airbag or telescoping cylinder operable over a range of pressures to permit adjustment of the pre-set limit. Alternatively, the actuator may be a spring that moves the block member to the extended position by default.

    Abstract translation: 用于剥皮器的可伸缩剥皮块，其具有用于接收剥皮的原木的外壳，以改变剥皮过程的侵蚀性。 块件具有带有突出齿的剥皮表面，并且可定位在脱皮机的外壳内，以在其中剥皮表面不接触外壳中的原木的缩回位置和剥皮表面暴露于暴露位置的暴露位置之间移动 参与日志。 块件可装配到转子或滚筒式剥皮机中。 提供致动器以使退硬表面在缩回位置和暴露位置之间移动。 如果由原木施加的力超过预定极限以防止损坏块和原木，致动器适于允许剥皮表面朝向缩回位置的自动移动。 优选地，致动器是可在一定范围的压力下操作的气囊或伸缩筒，以允许调整预设极限。 或者，致动器可以是弹簧，其默认地将块构件移动到伸出位置。

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