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34 条记录 (耗时 0.019 秒)

    Safety mechanism for nailing machine
    33.
    发明授权
    Safety mechanism for nailing machine 失效
    打钉机安全机制

    公开(公告)号：US5715982A

    公开(公告)日：1998-02-10

    申请号：US657902

    申请日：1996-06-07

    申请人： Michiaki Adachi

    发明人： Michiaki Adachi

    IPC分类号： B25C7/00 ,  B25C1/00 ,  B25C1/04

    CPC分类号： B25C1/008 ,  B25C1/043 ,  B25C1/047

    摘要： A safety mechanism for a nailing machine in which a start valve for a hammering mechanism is driven by cooperative action of operating a trigger lever and moving a contact arm to an uppermost point where it is pressed against a material to be nailed. The hammering mechanism for hammering a nail is supplied to a nose section arranged at a front end portion of a housing and is actuated by the start valve. The safety mechanism comprises: an arm body provided with the contact arm and being vertically movable along the nose section; a threaded member attached at an upper end portion of the arm body, the threaded member being rotatably and vertically movable; a push-up member positioned above the threaded member, the push-up member engaging with the threaded member to push up the trigger lever to make effective the operation of the trigger lever when the contact arm is moved to the uppermost point thereof; an adjust dial attached to the housing and positioned below the trigger lever, for rotating the threaded member; and a cover member covering the contact arm in part which is below the adjust dial and above the lower end of the arm body. The adjust dial may operate independently of the contact arm. The threaded member may have a hole for slidably receiving the receiving member.

    摘要翻译： 一种打钉机的安全机构，其中用于锤击机构的起动阀通过操作触发杆并将接触臂移动到被压靠待钉入的材料的最上部的协作动作来驱动。 用于锤击锤的锤击机构被供给到布置在壳体的前端部的鼻部，并且由起动阀致动。 安全机构包括：臂本体，其设置有接触臂并且可沿着鼻部垂直移动; 螺纹构件，其安装在所述臂体的上端部，所述螺纹构件可旋转并且可垂直移动; 位于螺纹构件上方的上推构件，所述上推构件与所述螺纹构件接合以推动所述触发杆，以在所述接触臂移动到所述触发杆的最上部时有效地操作所述触发器杆; 调节拨盘，其附接到壳体并定位在触发杆下方，用于旋转螺纹构件; 以及覆盖构件，其部分地覆盖在所述调节盘下方并且在所述臂主体的下端上方的所述接触臂。 调节拨盘可以独立于接触臂操作。 螺纹构件可以具有用于可滑动地容纳接收构件的孔。

    Percussion tool
    34.
    发明授权
    Percussion tool 失效
    打击乐器

    公开(公告)号：US4909419A

    公开(公告)日：1990-03-20

    申请号：US265840

    申请日：1988-11-01

    申请人： Toshio Yamada ,  Keijiro Murayama ,  Michiaki Adachi

    发明人： Toshio Yamada ,  Keijiro Murayama ,  Michiaki Adachi

    IPC分类号： B25C1/04 ,  B25D9/14

    CPC分类号： B25D9/14 ,  B25C1/045

    摘要： A percussion tool of the repeatedly operating type includes a housing, a striking cylinder received in the housing for movement therealong, and a driving piston received in the striking cylinder for movement therealong. The striking cylinder cooperates with the housing to provide a switch valve means which is responsive to the movement of the striking cylinder along the housing for selectively interrupting fluid communication between the interior of the striking cylinder and a discharge port and communicating the interior of said striking cylinder with a compressed air source when the striking cylinder is at its lower position to thereby move the striking piston to cause an associated striking driver to strike a driven element and for selectively interrupting the communication between the interior of the striking cylinder and the compressed air source and communicating the interior of the striking cylinder with the discharge port as the striking cylinder is moved from its lower to upper position. Air within that portion of the interior of the striking cylinder between a lower face of the driving piston and a lower end of the striking cylinder is compressed by the striking piston moving toward an ejecting portion receiving the driven element and is supplied to a return air chamber. The air thus compressed acts on the lower face of the piston to urge the same away from the ejecting portion.

    摘要翻译： 重复操作型的冲击工具包括壳体，容纳在壳体中用于在其上运动的打击缸，以及容纳在撞击缸中用于在其上移动的驱动活塞。 打击气缸与壳体配合以提供开关阀装置，该开关阀装置响应于撞击气缸沿着壳体的运动，用于选择性地中断打击气缸内部和排出口之间的流体连通并且连通所述撞击气缸的内部 当打击气缸处于其下部位置时具有压缩空气源，从而移动撞击活塞，以使相关联的打击驱动器撞击从动元件，并且用于选择性地中断打击气缸内部与压缩空气源之间的连通;以及 当打击气缸从下部移动到上部位置时，将打击气缸的内部与排出口连通。 打击缸内部在驱动活塞的下表面与撞击缸的下端之间的部分内的空气被撞击活塞压向被接收被驱动元件的喷射部分并被供给到返回空气室 。 被压缩的空气作用在活塞的下表面上以将其推离喷射部分。