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    • 2. 发明授权
    • Power tool with air deflector for venting motor exhaust air
    • 带导气板的电动工具,用于排放电机废气
    • US6043575A
    • 2000-03-28
    • US263992
    • 1999-03-05
    • Anil P. GhodeMartin S. ScolaroRaymond D. DeRome
    • Anil P. GhodeMartin S. ScolaroRaymond D. DeRome
    • B25F5/02B25F5/00H02K7/14H02K9/06H02K9/00
    • H02K7/145B25F5/008H02K9/06
    • A power tool is provided and includes a tool housing having interior and exterior surfaces and inlet and outlet air vents and a motor disposed in the tool housing and having a motor housing with an external surface and inlet air ports for the passage of cooling air into the motor and outlet air ports for passage of warmed exhaust air from the motor. The inlet and outlet air ports open at the external surface and the outlet air ports are spaced from the inlet air ports. The tool also includes an air deflector resiliently coupled to the external surface. The air deflector includes wall structures bracketing the outlet air ports. The structures have portions extending to and contacting the interior surface of the tool housing and bracketing the outlet air vents to form a barrier around the outlet air ports and vents to channel exhaust air to the outlet vents and substantially inhibit exhaust air from the outlet air ports from entering the inlet air ports or other portions of the tool.
    • 提供电动工具,并且包括具有内表面和外表面以及入口和出口通风口的工具壳体和设置在工具壳体中的电动机,并且具有带有外表面的电动机壳体和用于将冷却空气通入 电机和出气口,用于从电机通过加热的排气。 入口和出口空气端口在外表面打开,出口空气口与进气口间隔开。 该工具还包括弹性地联接到外表面的空气导流板。 导风板包括包围出风口的墙壁结构。 结构具有延伸到工具壳体的内表面并接触工具外壳的内表面的部分,并且包围出口空气通风口以在出口空气端口和通风口周围形成屏障,以将废气引导到出口通风口,并基本上阻止来自出口空气端口的排出空气 不能进入进气口或工具的其他部分。
    • 8. 发明授权
    • Reversible impact mechanism with structure limiting hammer travel
    • 具有结构限制锤行程的可逆冲击机构
    • US06227308B1
    • 2001-05-08
    • US09633079
    • 2000-08-04
    • Anil P. GhodePaul W. GriffinRaymond D. DeRome
    • Anil P. GhodePaul W. GriffinRaymond D. DeRome
    • B25D1500
    • B25B21/026B25B21/02
    • An impact mechanism, such as an impact wrench is provided and includes a motor, a shaft rotatable about an axis and coupled to the motor and having a first shaft groove with first and second axial ends and a hammer disposed about the shaft and having a first hammer groove. A ball is disposed in the first hammer groove and in the first shaft groove and couples the hammer to the shaft for relative axial and rotatable movement, with the ball moveable along the grooves. The wrench also includes a rotatable anvil for coupling to a load, a bias member resiliently biasing the hammer axially into engagement with the anvil and stop structure disposed along the shaft for engagement with the hammer to limit axial movement of the hammer away from the anvil so as to prevent the ball from contacting the second axial end of the first shaft groove.
    • 提供了诸如冲击扳手的冲击机构,并且包括马达,可围绕轴线旋转并联接到马达的轴,并且具有带有第一和第二轴向端部的第一轴槽和围绕轴布置的锤,并且具有第一 锤槽 一个球设置在第一锤槽和第一轴槽中,并且将锤连接到轴上以相对的轴向和可旋转运动,球可沿着槽移动。 扳手还包括用于联接到负载的可旋转砧座,偏置构件,其弹性地偏置锤子与砧座接合并且沿着轴设置的止动结构,用于与锤子接合以限制锤子远离砧座的轴向移动,从而 以防止球接触第一轴槽的第二轴向端。
    • 9. 发明授权
    • Reversible impact mechanism with structure limiting hammer travel
    • 具有结构限制锤行程的可逆冲击机构
    • US6158526A
    • 2000-12-12
    • US265054
    • 1999-03-09
    • Anil P. GhodePaul W. GriffinRaymond D. DeRome
    • Anil P. GhodePaul W. GriffinRaymond D. DeRome
    • B25D15/02B25B21/02B25D15/00
    • B25B21/026B25B21/02
    • An impact mechanism, such as an impact wrench is provided and includes a motor, a shaft rotatable about an axis and coupled to the motor and having a first shaft groove with first and second axial ends and a hammer disposed about the shaft and having a first hammer groove. A ball is disposed in the first hammer groove and in the first shaft groove and couples the hammer to the shaft for relative axial and rotatable movement, with the ball moveable along the grooves. The wrench also includes a rotatable anvil for coupling to a load, a bias member resiliently biasing the hammer axially into engagement with the anvil and stop structure disposed along the shaft for engagement with the hammer to limit axial movement of the hammer away from the anvil so as to prevent the ball from contacting the second axial end of the first shaft groove.
    • 提供了诸如冲击扳手的冲击机构,并且包括马达,可围绕轴线旋转并联接到马达的轴,并且具有带有第一和第二轴向端部的第一轴槽和围绕轴布置的锤,并且具有第一 锤槽 一个球设置在第一锤槽和第一轴槽中,并且将锤连接到轴上以相对的轴向和可旋转运动,球可沿着槽移动。 扳手还包括用于联接到负载的可旋转砧座,偏置构件,其弹性地偏置锤子与砧座接合并且沿着轴设置的止动结构,用于与锤子接合以限制锤子远离砧座的轴向移动,从而 以防止球接触第一轴槽的第二轴向端。