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    • 6. 发明授权
    • Propellant charge structure for generating gases to propel an object
from a tool
    • 用于产生气体以从工具推进物体的推进剂装料结构
    • US5684266A
    • 1997-11-04
    • US462262
    • 1995-06-05
    • David L. Remerowski
    • David L. Remerowski
    • B25C1/16C06B45/14C06C7/02F42B39/08
    • C06B45/14B25C1/166
    • A tool for driving a nail or other fastener is actuated by a caseless propellant charge formed of combustible material that is transported into a combustion chamber on a strip. The propellant charge is ignited by striking a sensitizer portion of the charge at an oblique angle. The ignition member intermixes the sensitizer material with an oxidizer layer of the surface of the propellant charge, resulting in combustion of the charge. When ignited, the propellant charge is compressingly interposed between an orifice plate and a movable portion of the combustion chamber. The orifice plate includes a pedestal with an annular compression surface that separates the surface of the ignition area from the remaining surfaces of the charge, insuring that ignition gases are forced through the charge. An annular C-shaped ring is interposed between the orifice plate and the movable portion of the combustion chamber. When the charge is ignited, the resulting gas pressure resiliently expands the annular C-shaped ring and urges opposite axial ends of the C-shaped ring into sealing relationship between the relatively movable components of the combustion chamber. Combustion gases are communicated through orifices in the orifice plate to a cylinder where the gases force movement of a driver, which driver strikes and drives a fastener such a nail. The driver is reciprocally movable within the cylinder and is returned to its precombustion position by a gas spring return cylinder. The gas return cylinder in mechanically interconnected to the driver and contains a sealed gaseous fluid that is independent of and segregated from fluids in the combustion chamber. An assembly for deaccelerating the driver includes a series of spaced and aligned progressively sized metal cup members of progressively increasing mass, contact surface and interface angles.
    • 用于驱动钉子或其他紧固件的工具由被输送到条带上的燃烧室中的可燃材料形成的无壳推进剂充电致动。 通过以倾斜角撞击电荷的敏化剂部分来点燃推进剂电荷。 点火构件将敏化剂材料与推进剂装料表面的氧化剂层混合,导致电荷的燃烧。 当点燃时,推进剂装料被压缩插入在孔板和燃烧室的可动部分之间。 孔板包括具有环形压缩表面的基座,其将点火区域的表面与电荷的其余表面分离,确保点燃气体被迫通过电荷。 环形C形环插入在孔板和燃烧室的可动部分之间。 当电荷点燃时,所产生的气体压力使环形C形环弹性地膨胀,并且将C形环的相对的轴向端推动成燃烧室的相对可动部件之间的密封关系。 燃烧气体通过孔板中的孔连通到气缸,其中气体迫使驾驶员的驾驶员撞击并驱动紧固件如钉子的运动。 驾驶员可以在汽缸内往复移动,并通过气弹簧返回缸返回到其预燃位置。 气体回收缸机械地互连到驱动器并且包含与燃烧室中的流体无关并与其分离的密封的气态流体。 用于减速驱动器的组件包括逐渐增加的质量,接触表面和界面角度的一系列间隔和对准的渐进尺寸的金属杯构件。
    • 7. 发明授权
    • Gas return cylinder for a reciprocating driver in a tool
    • 用于工具中的往复式驱动器的气体回收缸
    • US5553764A
    • 1996-09-10
    • US462240
    • 1995-06-05
    • David L. Remerowski
    • David L. Remerowski
    • B25C1/08
    • B25C1/085
    • A tool for driving a nail or other fastener is actuated by a caseless propellant charge formed of combustible material that is transported into a combustion chamber on a strip. The propellant charge is ignited by striking a sensitizer portion of the charge at an oblique angle. The ignition member intermixes the sensitizer material with an oxidizer layer of the surface of the propellant charge, resulting in combustion of the charge. When ignited, the propellant charge is compressingly interposed between an orifice plate and a movable portion of the combustion chamber. The orifice plate includes a pedestal with an annular compression surface that separates the surface of the ignition area from the remaining surfaces of the charge, insuring that ignition gases are forced through the charge. An annular C-shaped ring is interposed between the orifice plate and the movable portion of the combustion chamber. When the charge is ignited, the resulting gas pressure resiliently expands the annular C-shaped ring and urges opposite axial ends of the C-shaped ring into sealing relationship between the relatively movable components of the combustion chamber. Combustion gases are communicated through orifices in the orifice plate to a cylinder where the gases force movement of a driver, which driver strikes and drives a fastener such a nail. The driver is reciprocally movable within the cylinder and is returned to its precombustion position by a gas spring return cylinder. The gas return cylinder in mechanically interconnected to the driver and contains a sealed gaseous fluid that is independent of and segregated from fluids in the combustion chamber. An assembly for deaccelerating the driver includes a series of spaced and aligned progressively sized metal cup members of progressively increasing mass, contact surface area and interface angles.
    • 用于驱动钉子或其他紧固件的工具由被输送到条带上的燃烧室中的可燃材料形成的无壳推进剂充电致动。 通过以倾斜角撞击电荷的敏化剂部分来点燃推进剂电荷。 点火构件将敏化剂材料与推进剂装料表面的氧化剂层混合,导致电荷的燃烧。 当点燃时,推进剂装料被压缩插入在孔板和燃烧室的可动部分之间。 孔板包括具有环形压缩表面的基座,其将点火区域的表面与电荷的其余表面分离,确保点燃气体被迫通过电荷。 环形C形环插入在孔板和燃烧室的可动部分之间。 当电荷点燃时,所产生的气体压力使环形C形环弹性地膨胀,并且将C形环的相对的轴向端推动成燃烧室的相对可动部件之间的密封关系。 燃烧气体通过孔板中的孔连通到气缸,其中气体迫使驾驶员的驾驶员撞击并驱动紧固件如钉子的运动。 驾驶员可以在汽缸内往复移动,并通过气弹簧返回缸返回到其预燃位置。 气体回收缸机械地互连到驱动器并且包含与燃烧室中的流体无关并与其分离的密封的气态流体。 用于减速驱动器的组件包括逐渐增加的质量,接触表面积和界面角度的一系列间隔和对准的渐进尺寸的金属杯构件。