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公开(公告)号：US20080196375A1
公开(公告)日：2008-08-21
申请号：US11675289
申请日：2007-02-15
申请人： Jerome L. Berti , Phyllis Berti
发明人： Jerome L. Berti , Phyllis Berti
CPC分类号： A01G3/053
摘要： A gearbox is provided for a handheld power tool. The gearbox includes a housing including a recess having a wall section, a main gear disposed within the recess and including a plurality of gear teeth, and a drive gear engaged with the main gear for driving the main gear. The gearbox also includes means for retaining lubricant within the housing for improved retention of the lubricant on the main gear. The means for retaining is configured to create a localized pressure reduction within the housing during operation of the power tool. In one example, a portion of the wall section curves towards the main gear, and a localized pressure reduction is formed proximate the minimum distance between the curving wall section and the main gear during operation of the power tool.
摘要翻译： 为手持式电动工具提供齿轮箱。 齿轮箱包括：壳体，其包括具有壁部的凹部，设置在凹部内的主齿轮，并且包括多个齿轮齿;以及驱动齿轮，与主齿轮啮合以驱动主齿轮。 齿轮箱还包括用于将润滑剂保持在壳体内的装置，以改善润滑剂在主齿轮上的保持力。 用于保持的装置被配置为在电动工具的操作期间在壳体内产生局部压力降低。 在一个示例中，壁部分的一部分朝向主齿轮弯曲，并且在电动工具的操作期间在弯曲壁部分和主齿轮之间的最小距离附近形成局部压力降低。
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公开(公告)号：US20080196376A1
公开(公告)日：2008-08-21
申请号：US11675328
申请日：2007-02-15
申请人： Jerome L. Berti , Phyllis Berti
发明人： Jerome L. Berti , Phyllis Berti
CPC分类号： A01G3/053 , Y10T74/18296
摘要： A gearbox for a handheld power tool is provided, including a housing, a main gear disposed within the housing and including a plurality of cams attached thereto. A drive gear is engaged with the main gear for driving the main gear. The gearbox also includes a plurality of cutting members configured to engage the plurality of cams. Rotation of the main gear causes rotation of the cams to thereby cause the cutting members to move in a reciprocal manner. The gearbox also includes a separator plate attached to the housing. A portion of the separator plate is disposed between the plurality of cutting members to inhibit contact between the cutting members. In one example, the separator plate includes a leg section configured to be secured to a portion of the power tool.
摘要翻译： 提供了一种用于手持式电动工具的齿轮箱，包括壳体，设置在壳体内的主齿轮并且包括附接到其上的多个凸轮。 驱动齿轮与主齿轮啮合以驱动主齿轮。 齿轮箱还包括配置成接合多个凸轮的多个切割构件。 主齿轮的旋转引起凸轮的旋转，从而使切割构件以相互的方式移动。 齿轮箱还包括附接到壳体的分离板。 分隔板的一部分设置在多个切割构件之间，以阻止切割构件之间的接触。 在一个示例中，分隔板包括构造成固定到动力工具的一部分的腿部。
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公开(公告)号：US4337954A
公开(公告)日：1982-07-06
申请号：US196472
申请日：1980-10-14
申请人： Robert R. Backlin , Jerome L. Berti
发明人： Robert R. Backlin , Jerome L. Berti
CPC分类号： F16J15/54 , F16J15/3232 , F16J15/3264 , Y10S277/911
摘要： An inner peripheral seal ring on the inner periphery of a wear sleeve to seal axial flow of oil and permit heat radially transferred through the wear sleeve for cooler operation of the seal on the wear sleeve.
摘要翻译： 在耐磨套筒的内周上的内周密封环，用于密封油的轴向流动，并允许通过耐磨套筒径向传递的热量，以使磨损套筒上的密封件更冷却。
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4.发明授权公开(公告)号：US07258205B2
公开(公告)日：2007-08-21
申请号：US10850141
申请日：2004-05-20
IPC分类号： B60T1/00
CPC分类号： A01G3/053 , Y10T74/20648 , Y10T74/20696
摘要： A power tool includes a braking system that minimizes a stopping time for a cutting blade of the power tool. The braking system includes a roller bearing clutch mechanism combined with a positive stop pin. The stop pin is provided at an end portion of a cable assembly. The cable assembly is coupled to a trigger through a lever on one end, with the stop pin and a return spring inserted into a gear box on the other end. When the trigger is in a released position, the stop pin fully engages into a positive stop on a bearing cage at a top portion of the drive assembly. The coiled return spring keeps the stop pin in position. When the trigger is pulled, the cable pulls the stop pin out of the positive stop.
摘要翻译： 电动工具包括制动系统，其最小化电动工具的切割刀片的停止时间。 制动系统包括与正止动销相结合的滚子轴承离合器机构。 止动销设置在电缆组件的端部。 电缆组件通过一端的杠杆联接到触发器，止动销和复位弹簧插入到另一端的齿轮箱中。 当触发器处于释放位置时，止动销完全接合在驱动组件顶部的轴承座上的正止动件中。 线圈复位弹簧将止动销保持在适当位置。 拉动扳机时，电缆将止动销拉出正极。
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公开(公告)号：US4300493A
公开(公告)日：1981-11-17
申请号：US925755
申请日：1978-07-18
申请人： Jerome L. Berti
发明人： Jerome L. Berti
CPC分类号： F02B67/04 , F16F15/264 , F02B2075/1816 , F02B75/20 , Y10T74/2184
摘要： An engine balancer for a four cylinder in-line internal combustion engine. The balancer is mounted centrally under the crankshaft and driven by a drive gear adjacent the nodal point of torsional vibrations on the crankshaft. The balancer is for secondary forces on the engine and the drive reduces feed of torsional vibrations to the engine balancer from the crankshaft.
摘要翻译： 用于四缸直列式内燃机的发动机平衡器。 平衡器安装在曲轴下方的中心位置，并靠近曲轴上扭转振动节点的驱动齿轮驱动。 平衡器用于发动机上的次级力，并且驱动器减少了来自曲轴的发动机平衡器的扭转振动。
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公开(公告)号：US4497497A
公开(公告)日：1985-02-05
申请号：US623010
申请日：1984-06-21
申请人： Jerome L. Berti , Paul J. Patchen
发明人： Jerome L. Berti , Paul J. Patchen
CPC分类号： F16J9/062
摘要： An oil ring and coiled expander spring assembly in which the groove for the expander spring is of unique configuration and possesses a unique relationship with the expander spring.
摘要翻译： 一种油环和螺旋膨胀弹簧组件，其中用于膨胀弹簧的槽具有独特的构造，并且与膨胀弹簧具有独特的关系。
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公开(公告)号：US4456268A
公开(公告)日：1984-06-26
申请号：US430007
申请日：1982-09-30
CPC分类号： F16B5/0266 , F02B77/00 , F02F7/006 , F16B33/004 , F16B43/00 , F16J13/02 , F02B2275/22 , F02B2275/34
摘要： A means maintaining compressive force in a seal assembly to assure seal reliability. The valve cover is fastened to the engine head with a shoulder bolt which carries Belleville washers compressively positioned between the bolt head and valve cover. The gasket load and deflection is determined by the compressive force or gasket loading of the Belleville washers on the unthreaded length of the shoulder bolt. The resilience of the Belleville washers maintains a continuous force on the gasket for the life of the sealed assembly.
摘要翻译： A意味着在密封组件中保持压缩力以确保密封可靠性。 阀盖通过肩螺栓固定在发动机头上，该肩螺栓承载压缩地定位在螺栓头和阀盖之间的贝氏垫圈。 垫圈的载荷和挠度由Belleville垫圈在肩螺栓无螺纹长度上的压缩力或垫圈载荷决定。 在密封组件的使用寿命期间，Belleville垫圈的弹性保持了垫圈上的连续力。
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公开(公告)号：US4269158A
公开(公告)日：1981-05-26
申请号：US166043
申请日：1980-07-07
申请人： Jerome L. Berti
发明人： Jerome L. Berti
IPC分类号： F02B29/04
CPC分类号： F02B29/0462 , F02B29/0475 , Y02T10/146
摘要： An intercooler mounted on the cylinder head with an intake manifold of an internal combustion engine. The intake manifold and cylinder head are adapted for fastening together for operation with or without the intercooler mounted between the manifold and the cylinder head. The use of a sandwich type intercooler arrangement permits use of standard components of the manifold or engine head with the optional use of the intercooler as a turbocharged engine or without as a naturally aspirated engine.
摘要翻译： 安装在气缸盖上的中间冷却器，其具有内燃机的进气歧管。 进气歧管和气缸盖适于紧固在一起，以在具有或不具有安装在歧管和气缸盖之间的中间冷却器之间进行操作。 使用夹层型中间冷却器布置允许使用歧管或发动机头的标准部件，可选地使用中间冷却器作为涡轮增压发动机，或者不使用自然吸气发动机。
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