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    • 35. 发明授权
    • Combination air hammer, water stream blaster and liquid mist dust
suppressor
    • 组合气锤,水流爆破器和液雾除尘器
    • US4854393A
    • 1989-08-08
    • US128166
    • 1987-12-03
    • Timothy J. Palet
    • Timothy J. Palet
    • B23Q11/08B25D9/14B25D17/16
    • B25D9/14B23Q11/0858Y10T408/46
    • An air hammer powered debris chisel headed tool having a water stream blaster outlet directing a high speed water stream forwardly closely adjacent and above the chisel head when valve controlled for use. Air misting outlets are also provided at the forward end of the tool to produce a dust debris supressing mist as the tool is being used in material removal such as asbestos dust abatement as asbestos is being removed in structures. A trigger control at the butt handle end of the tool controls on-off activation of the tool air hammer, and a lever on the butt handle has control settings from off to misting to combination misting and high speed water stream to high speed water stream alone.
    • 一种气锤动力碎屑凿头工具,具有一个水流喷射器出口,当阀门被控制使用时,该水流喷射器出口将高速水流向前靠近并靠近凿头。 在工具的前端还设置有空气喷雾出口,以在工具被用于材料去除(例如在结构中除去石棉的情况下的石棉粉尘消除)中时产生防尘尘。 工具对接手柄端的触发控制控制工具气锤的开关启动,对接手柄上的杠杆具有从关闭到雾化到组合雾化和高速水流到高速水流单独的中心设置 。
    • 37. 发明授权
    • Spray-assisted pneumatic stone-working apparatus
    • 喷气辅助气动石材加工设备
    • US4232748A
    • 1980-11-11
    • US37398
    • 1979-05-07
    • Hans Thoma
    • Hans Thoma
    • B23Q11/10B25D9/16B25D17/10B25D17/16E21B1/30E21B1/38E21C7/08
    • B23Q11/10B25D9/16Y10T137/2703
    • A pneumatically operated stone-working tool has a tool drive, a spraying device for spraying the work area with a liquid and a control assembly for opening and closing the pneumatic line. The control assembly includes a valve plunger rotatably and linearly displaceably received in a chamber which is in the path of a pneumatic line feeding the tool drive and a liquid line feeding the spraying device. The plunger has a first linear position in which it maintains the pneumatic line closed regardless of the angular position of the plunger and a second linear position in which it maintains the pneumatic line open solely when the plunger is manually rotated into an "open" angular position. A force-exerting arrangement continuously urges the plunger towards its first linear position. The plunger has a work face so oriented that it is continuously exposed to a pressure of the liquid in that part of the chamber which is in communication with the liquid line. This pressure displaces the plunger into its second linear position against the effect of the force-exerting arrangement when the pressure reaches a predetermined level indicative of a safe pressure for operating the spraying device.
    • 气动操作的石材加工工具具有工具驱动装置,用于用液体喷射工作区域的喷射装置和用于打开和关闭气动管线的控制组件。 控制组件包括可旋转并线性地可移动地容纳在进入工具驱动器的气动管线的路径中的阀柱塞和供给喷射装置的液体管线。 柱塞具有第一直线位置,其中,无论柱塞的角位置如何,气动管路都保持气动管路闭合;以及第二直线位置,其中仅当柱塞手动旋转到“打开”角位置时,气动管线仅保持气动管路打开 。 施力装置连续地将柱塞推向其第一线性位置。 柱塞具有如此取向的工作面,使其在与液体管线连通的室的该部分中连续暴露于液体的压力。 当压力达到指示用于操作喷射装置的安全压力的预定水平时,该压力将使柱塞抵抗施力装置的作用将其移动到其第二线性位置。