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1. 发明授权

US07314096B2 Adjustable handle for portable tool 有权
标题翻译：便携式工具可调柄
公开(公告)号：US07314096B2
公开(公告)日：2008-01-01
申请号：US10975682
申请日：2004-10-27
申请人： Chadwick A. Shaffer , John O. Hurst
发明人： Chadwick A. Shaffer , John O. Hurst
IPC分类号： A01B1/00
CPC分类号： E01H5/04 , B25F5/026 , Y10T16/44
摘要： A handle having an adjustable shaft wherein the overall length of the shaft and/or the angular relationship of portions of the shaft can be varied by a user of an associated tool. In one embodiment, the handle includes a first tube, a second tube connected to a working unit of a portable tool, and wherein a portion of the second tube is telescopically received into the first tube. A coupling is provided to receive a portion of the first tube and the second tube. The coupling has a pin stop which engages a pin connected to one of the tubes and defines a limit of a range of relative rotational motion between the first tube and the second tube. In one embodiment, the upper tubular portion of the handle and a control grip are capable of being rotated relative to a working unit.
摘要翻译：具有可调节轴的手柄，其中轴的总长度和/或轴的部分的角度关系可以由相关联的工具的使用者改变。在一个实施例中，手柄包括第一管，连接到便携式工具的工作单元的第二管，并且其中第二管的一部分可伸缩地容纳在第一管中。提供联接器以接收第一管和第二管的一部分。联接器具有销止动件，其接合连接到管中的一个的销，并且限定第一管和第二管之间的相对旋转运动的范围的极限。在一个实施例中，手柄的上管状部分和控制夹具能够相对于工作单元旋转。

2. 发明授权

US06973728B2 Filament trimmer with dual triggers 失效
标题翻译：具有双重触发的细丝修剪器
公开(公告)号：US06973728B2
公开(公告)日：2005-12-13
申请号：US10116738
申请日：2002-04-04
申请人： Bart T. Ellson , John O. Hurst , Chadwick A. Shaffer
发明人： Bart T. Ellson , John O. Hurst , Chadwick A. Shaffer
IPC分类号： A01D34/84 , A01D34/90
CPC分类号： A01D34/84 , A01D34/90
摘要： A filament trimmer includes a rotatable trimmer head having an outwardly extending filament. The trimmer has an upper handle that the operator can grip to operate the trimmer in either a trim mode or an edge mode. In the trim mode, the filament extending outwardly from the trimmer head is positioned in a generally horizontal cutting plane, while in the edge mode the trimmer is reoriented such that the filament is positioned in a generally vertical cutting plane. The upper handle of the trimmer includes dual triggers for selectively starting and stopping rotation of the trimmer head. One trigger is actuated when the trimmer is operated in the trim mode and the other trigger is actuated when the trimmer is operated in the edge mode.
摘要翻译：长丝修剪器包括具有向外延伸的细丝的可旋转修剪器头。修剪器具有上手柄，操作者可以抓握以在修剪模式或边缘模式中操作修剪器。在修剪模式中，从修剪器头部向外延伸的细丝定位在大致水平的切割平面中，而在边缘模式中，修剪器被重新定向，使得细丝定位在大致垂直的切割平面中。修剪器的上手柄包括用于选择性地启动和停止修剪器头部旋转的双触发器。当修剪器在修剪模式下操作时，一个触发器被启动，并且当修剪器在边缘模式下操作时另一触发器被致动。

3. 发明授权

US07266893B1 Filament trimmer with dual triggers 失效
标题翻译：具有双重触发的细丝修剪器
公开(公告)号：US07266893B1
公开(公告)日：2007-09-11
申请号：US11298400
申请日：2005-12-09
申请人： Bart T. Ellson , John O. Hurst , Chadwick A. Shaffer
发明人： Bart T. Ellson , John O. Hurst , Chadwick A. Shaffer
IPC分类号： A01D34/84
CPC分类号： A01D34/84 , A01D34/90
摘要： A filament trimmer includes a rotatable trimmer head having an outwardly extending filament. The trimmer has an upper handle that the operator can grip to operate the trimmer in either a trim mode or an edge mode. In the trim mode, the filament extending outwardly from the trimmer head is positioned in a generally horizontal cutting plane, while in the edge mode the trimmer is reoriented such that the filament is positioned in a generally vertical cutting plane. The upper handle of the trimmer includes dual triggers for selectively starting and stopping rotation of the trimmer head. One trigger is actuated when the trimmer is operated in the trim mode and the other trigger is actuated when the trimmer is operated in the edge mode.
摘要翻译：长丝修剪器包括具有向外延伸的细丝的可旋转修剪器头。修剪器具有上手柄，操作者可以抓握以在修剪模式或边缘模式中操作修剪器。在修剪模式中，从修剪器头部向外延伸的细丝定位在大致水平的切割平面中，而在边缘模式中，修剪器被重新定向，使得细丝定位在大致垂直的切割平面中。修剪器的上手柄包括用于选择性地启动和停止修剪器头部旋转的双触发器。当修剪器在修剪模式下操作时，一个触发器被启动，并且当修剪器在边缘模式下操作时另一触发器被致动。

4. 发明授权

US07257909B2 Convertible yard tool 有权
标题翻译：可转换码头工具
公开(公告)号：US07257909B2
公开(公告)日：2007-08-21
申请号：US10975683
申请日：2004-10-27
申请人： Chadwick A. Shaffer , John O. Hurst
发明人： Chadwick A. Shaffer , John O. Hurst
IPC分类号： E01H5/04
CPC分类号： E01H1/056 , E01H1/12 , E01H5/04
摘要： A convertible yard tool is disclosed having an implement connected for rotation within a housing, wherein the implement and housing are operated relative to a ground surface in either a snow throwing orientation or a sweeping orientation. When operated in the snow throwing orientation and with the implement being a snow throwing impeller, the yard tool can be used to remove snow from a surface. When operated in the sweeping orientation and with the implement being a broom, the yard tool can be used to move debris from a surface to be cleaned. An adjustable handle may be provided to facilitate movement of the yard tool across various surfaces.
摘要翻译：公开了一种可转换的围场工具，其具有连接用于在壳体内旋转的工具，其中，所述工具和壳体相对于地面在雪地方向或扫掠方向上操作。当以投掷雪的方向操作，并且该工具是投掷叶轮时，该场地工具可用于从表面除去积雪。当以扫掠方向操作并且工具是扫帚时，可以使用围场工具从待清洁的表面移动碎屑。可以设置可调手柄以便于围绕各种表面移动码头工具。

5. 外观设计

USD676876S1 Handle for a ground-working implement 有权
标题翻译：处理地勤工具
公开(公告)号：USD676876S1
公开(公告)日：2013-02-26
申请号：US29422946
申请日：2012-05-25
申请人： David J. Martin , Chadwick A. Shaffer
设计人： David J. Martin , Chadwick A. Shaffer

6. 发明申请

US20120138717A1 DEBRIS VACUUM WITH SUPPLEMENTAL DEBRIS SHEARING SURFACE 有权
标题翻译： DEBRIS真空与补充修剪表面
公开(公告)号：US20120138717A1
公开(公告)日：2012-06-07
申请号：US12961049
申请日：2010-12-06
申请人： Steven J. Svoboda , Chadwick A. Shaffer
发明人： Steven J. Svoboda , Chadwick A. Shaffer
IPC分类号： B02C23/00
CPC分类号： E01H1/0809 , A01G20/43 , E01H1/0827
摘要： A debris vacuum having one or more rotating shearing edges and at least one supplemental shearing edge in close proximity to the rotating shearing edges. The supplemental shearing edge may be stationary and attached, for example, to a housing containing the rotating shearing edge, or to a vacuum tube that is itself attachable to the housing.
摘要翻译：具有一个或多个旋转剪切边缘和至少一个补充剪切边缘的碎片真空，其紧邻旋转的剪切边缘。补充的剪切边缘可以是固定的并且例如附接到包含旋转剪切边缘的壳体，或者附接到本身可附接到壳体的真空管。

7. 外观设计

USD524824S1 Convertible yard tool 有权
标题翻译：可转换码头工具
公开(公告)号：USD524824S1
公开(公告)日：2006-07-11
申请号：US29216067
申请日：2004-10-27
申请人： Chadwick A. Shaffer , David J. Martin
设计人： Chadwick A. Shaffer , David J. Martin

8. 外观设计

USD483236S1 Filament trimmer 失效
标题翻译：丝修剪器
公开(公告)号：USD483236S1
公开(公告)日：2003-12-09
申请号：US29173775
申请日：2003-01-06
申请人： David J. Martin , Chadwick A. Shaffer
设计人： David J. Martin , Chadwick A. Shaffer

9. 发明授权

US06442790B1 Portable blower/vacuum having air inlet cover attachable to blower tube 有权
标题翻译：便携式吹风机/真空吸尘器可以连接到鼓风机管上
公开(公告)号：US06442790B1
公开(公告)日：2002-09-03
申请号：US09779966
申请日：2001-02-09
申请人： Steven J. Svoboda , Chadwick A. Shaffer
发明人： Steven J. Svoboda , Chadwick A. Shaffer
IPC分类号： A47L514
CPC分类号： E01H1/0809 , A01G20/43 , A47L5/14 , E01H1/0836
摘要： A blower/vacuum having an air inlet cover and a blower tube, both of which attach to a blower housing for operation in a blower mode. The air inlet cover is preferably able to removably attach to the blower housing and the blower tube. Blower/vacuums of the present invention may generally prohibit operation unless both the blower tube and the air inlet cover are first installed. The blower/vacuum is further adapted to operate in a vacuum mode by removing the air inlet cover and blower tube and replacing the same with a vacuum tube assembly and a vacuum collection container, respectively.
摘要翻译：具有进气盖和鼓风机管的鼓风机/真空机，两者都附接到鼓风机壳体，以在鼓风机模式下操作。空气入口盖优选地能够可移除地附接到鼓风机壳体和鼓风机管。本发明的鼓风机/吸尘器通常可以禁止操作，除非首先安装鼓风机管和进气口盖。鼓风机/真空机还适用于通过移除空气入口盖和鼓风机管并且分别用真空管组件和真空收集容器代替它们在真空模式下操作。

10. 发明申请

US20130312566A1 IMPLEMENT AND OPERATOR CONTROL FOR USE WITH SAME 审中-公开
标题翻译：执行和操作者控制与使用
公开(公告)号：US20130312566A1
公开(公告)日：2013-11-28
申请号：US13480695
申请日：2012-05-25
申请人： Chadwick A. Shaffer
发明人： Chadwick A. Shaffer
IPC分类号： G05G1/04
CPC分类号： A01D34/824 , A01D42/08 , Y10T74/20384
摘要： A power equipment unit such as an electric snowthrower, lawn mower, or the like, and a control system for use with the same. In one embodiment, a key is provided that functions as both a conventional removable key, and also as a push button mechanism to provide dual actuation functionality for a lever of the control system.
摘要翻译：电动设备单元，例如电动推雪机，割草机等，以及与其一起使用的控制系统。在一个实施例中，提供了用作常规可移除键的键，以及用作为控制系统的杠杆提供双重致动功能的按钮机构。

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