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公开(公告)号：US06481509B1
公开(公告)日：2002-11-19
申请号：US09553680
申请日：2000-04-21
IPC分类号： B25D908
CPC分类号： B25D9/10 , A01G3/08 , B25D11/068
摘要： In a conventional impact generator, a great shock is generated when a weight collides with a rotary member, and a rotary shaft of the rotary member and a bearing supporting the rotary shaft receive the great shock. Therefore, it is necessary to employ a bearing having a great load capacity. Furthermore, great vibrations and noises are also generated in the impact generator. A rotary member (10) is rotatably supported by rotary shafts (11) and (12). A weight (30) is movably held by the rotary member (10). A shock absorber (40) for absorbing, by elastic force, a shock generated between the weight (30) and the rotary member (10) is provided between the weight (30) and the rotary member (10).
摘要翻译： 在传统的冲击发生器中，当重量与旋转构件碰撞时产生很大的冲击，并且旋转构件的旋转轴和支撑旋转轴的轴承受到很大的冲击。 因此，需要采用负载能力大的轴承。 此外，在冲击发生器中也产生很大的振动和噪音。 旋转构件（10）由旋转轴（11）和（12）可旋转地支撑。 重物（30）由旋转构件（10）可移动地保持。 用于通过弹性力吸收在重物（30）和旋转构件（10）之间产生的冲击的减震器（40）设置在重物（30）和旋转构件（10）之间。
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公开(公告)号：US06213677B1
公开(公告)日：2001-04-10
申请号：US09185462
申请日：1998-11-03
IPC分类号： A01G306
CPC分类号： A01D34/905 , F16D1/08 , F16D2001/062 , Y10T403/455 , Y10T403/606 , Y10T403/7061
摘要： A joint mechanism for a mowing machine which can be easily assembled and disassembled, including a support member of a casing which houses a cylindrical damper, which prevents vibration of a power unit from being transmitted to a rod, a holder in which the rod is inserted, and a clamp, which clamp prevents the damper and the holder from unintentionally separating from the support member, being inserted therein. The clamp has a flexible arm which extends in the direction of an output shaft of a power unit, and an engagement hook is formed on the tip of the arm. An engagement hole which the engagement hook of the clamp engages is provided on the support member.
摘要翻译： 一种用于可以容易地组装和拆卸的割草机的关节机构，包括容纳圆柱形阻尼器的壳体的支撑构件，其防止动力单元的振动被传递到杆，其中插入杆的保持器 以及夹具，该夹具防止阻尼器和保持器与支撑构件无意地分离，插入其中。 夹具具有沿动力单元的输出轴的方向延伸的柔性臂，并且在臂的尖端上形成接合钩。 在支撑构件上设置有夹具的接合钩接合的接合孔。
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公开(公告)号：US06497044B2
公开(公告)日：2002-12-24
申请号：US09727267
申请日：2000-11-30
IPC分类号： B26B2900
CPC分类号： A01D75/20
摘要： A cutting blade cover for a brush cutter comprises a central portion (50), a first blade accommodating portion (28), a second blade accommodating portion (29), and a third blade accommodating portion (30). The first, second, and third blade accommodating portions (28, 29, 30) are provided radially from the central portion (50). The first blade accommodating portion (28) includes a first concave portion (31). The second blade accommodating portion (29) includes a second concave portion (36). The third blade accommodating portion (30) includes a third concave portion (40). The first concave portion 31 has an inner shape conforming to an outer shape of the first blade (17) to cover an outer periphery of the first blade (17). The second concave portion (36) has an inner shape conforming to an outer shape of the second blade (18) to cover an outer periphery of the second blade (18). The third concave portion (40) has an inner shape conforming to an outer shape of the third blade (19) to cover an outer periphery of the third blade (19). The central portion (50) has a central through hole (44). The first blade accommodating portion (28) includes a slit (33). The slit (33) extends from an outer end of the first blade accommodating portion (28) to the central through hole (44).
摘要翻译： 一种用于刷子切割器的切割刀片盖包括中心部分（50），第一刀片容纳部分（28），第二刀片容纳部分（29）和第三刀片容纳部分（30）。 第一，第二和第三叶片容纳部分（28,29,30）从中心部分（50）径向设置。 第一刀片容纳部分（28）包括第一凹部（31）。 第二刀片容纳部（29）包括第二凹部（36）。 第三刀片容纳部分（30）包括第三凹部（40）。 第一凹部31具有与第一叶片（17）的外形一致的内部形状，以覆盖第一叶片（17）的外周。 第二凹部（36）具有与第二叶片（18）的外形一致的内部形状，以覆盖第二叶片（18）的外周。 第三凹部（40）具有与第三叶片（19）的外形一致的内部形状，以覆盖第三叶片（19）的外周。 中心部分（50）具有中心通孔（44）。 第一叶片容纳部分（28）包括狭缝（33）。 狭缝（33）从第一刀片容纳部（28）的外端延伸到中心通孔（44）。
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公开(公告)号：US6044926A
公开(公告)日：2000-04-04
申请号：US196012
申请日：1998-11-19
CPC分类号： F01N13/1872 , F01N1/10 , F01N13/185 , F01N13/1888
摘要： A muffler for small general-purpose engine includes a case comprising a pair of case halves coupled together and divided into a first chamber and a second chamber by a partition plate. An inlet of the exhaust gas is provided closer to a first end portion of the case in a first case half. An outlet of the exhaust gas is provided closer to a second end portion of the case in a second case half. A recess projecting from the first chamber toward the second chamber guiding the exhaust gas from the inlet toward the second end portion is provided in the partition plate opposite the inlet. A communication orifice is formed in the partition plate at a location offset from the recess and closer to the first end portion than the inlet.
摘要翻译： 用于小型通用发动机的消声器包括壳体，该壳体包括一对连接在一起的壳体半部，并且通过隔板被分成第一腔室和第二腔室。 排气的入口在第一壳体半部中靠近壳体的第一端部设置。 在第二种情况下，排气的出口靠近壳体的第二端部设置。 在与入口相对的隔板中设置有从第一室向第二室突出的从引入件向第二端部引导排气的凹部。 连通孔形成在隔板的偏离凹部并且比入口更靠近第一端部的位置处。
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公开(公告)号：US06659188B2
公开(公告)日：2003-12-09
申请号：US10061912
申请日：2002-02-01
IPC分类号： A01D3484
CPC分类号： A01G3/062
摘要： A hand-held edger capable of suppressing wear of a cover without an increase in the number of parts. The hand-held edger comprises a main rod supported by an operator's hand; a gear case supported at one end portion of the main rod; a rotating blade connected to a gear in the gear case; a power unit mounted to the other end portion of the main rod, for driving the rotating blade via the gear in the gear case; a resin-made cover attached to a flange of the gear case, for covering the rotating blade; and a wheel supported by the cover, and an outer periphery of the flange is coplanar with the periphery of at least the lowermost portion of the cover or diametrically outwardly protruded therefrom.
摘要翻译： 一种能够在不增加零件数量的情况下抑制盖的磨损的手持式修边机。 手持式修边机包括由操作者的手支撑的主杆; 在所述主杆的一个端部处支撑的齿轮箱; 与齿轮箱中的齿轮连接的旋转叶片; 安装在主杆的另一端部的动力单元，用于通过齿轮箱中的齿轮驱动旋转叶片; 安装在齿轮箱的凸缘上的树脂制盖，用于覆盖旋转叶片; 以及由所述盖支撑的轮，并且所述凸缘的外周与所述盖的至少最下部分的周边共同平行，或者直径地向外突出。
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公开(公告)号：USD460668S1
公开(公告)日：2002-07-23
申请号：US29135727
申请日：2001-01-19
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公开(公告)号：USD439814S1
公开(公告)日：2001-04-03
申请号：US29112182
申请日：1999-10-11
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公开(公告)号：US06341482B1
公开(公告)日：2002-01-29
申请号：US09556048
申请日：2000-04-21
IPC分类号： A01D3402
CPC分类号： A01G3/08
摘要： A cutting blade is provided for a reaper which can easily position members to be welded, can reduce a welding distortion, can fully ensure the strength of a shank member and can easily be manufactured. The cutting blade comprises a bar-shaped shank member having axially extending grooves formed on an outer peripheral face of a tip portion and having a base end to be fixed to the reaper, and a plate-shaped blade member having a notch portion formed on a base end, wherein the tip portion of the shank member is fitted in the notch portion of the plate-shaped blade member in such a manner that edge portions of the notch portion are fitted in the grooves, and the fitted tip portion of the shank member is welded to a portion of the plate-shaped blade member which is located around the tip portion.
摘要翻译： 为了能够容易地定位要焊接的构件，能够减小焊接变形，能够充分地确保杆部件的强度并容易地制造的收割机设置切割刀片。 切割刀片包括杆形柄部件，其具有形成在尖端部分的外周面上的轴向延伸的槽，并且具有固定到收割器的基端，并且具有形成在其上的切口部分的板形刀片部件 基部端部，其中，所述柄部件的前端部嵌合在所述板状刀片部件的切口部中，使得所述切口部的边缘部嵌合在所述槽中，并且所述柄部件的嵌合的末端部 被焊接到位于尖端部分周围的板状刀片部件的一部分。
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公开(公告)号：US06338237B1
公开(公告)日：2002-01-15
申请号：US09547688
申请日：2000-04-12
IPC分类号： A01D4600
CPC分类号： A01G3/08 , A01D46/253
摘要： It is an object to provide a power driven portable reaper comprising a guard structure for guarding the portable reaper when the portable reaper is to be temporarily put on the ground or during a reaping work. A power driven portable reaper (A) comprises an engine (20) on a base end thereof, a rod member (22) which is elongated forward from a tip side of the engine(20), an impact force generating unit (24) for converting rotation into reciprocation, and a cutting blade (26) provided in a tipmost portion thereof, a plurality of pipes (1A, 1B, 1C) are provided around the engine (20) so as to surround an outer circumference of the engine (20) in a direction from a tip of the engine (20) to a base end of the engine (20). A guard member is provided to be protruding outward from the reaper in the vicinity of the input force generating unit.
摘要翻译： 本发明的目的是提供一种动力便携式收割机，其包括当便携式收割机临时放置在地面上或在收割工作期间保护便携式收割机的防护结构。 动力便携式收割机（A）包括在其基端上的发动机（20），从发动机（20）的前端向前延伸的杆构件（22），冲击力产生单元（24），用于 将旋转转换成往复运动，以及设置在其最前端的切割刀片（26），在发动机（20）周围设置有多个管（1A，1B，1C），以围绕发动机（20）的外周 ）从发动机（20）的前端到发动机（20）的基端的方向。 防护件设置成在输入力产生单元附近从收割器向外突出。
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公开(公告)号：USD427862S
公开(公告)日：2000-07-11
申请号：US112245
申请日：1999-10-11
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