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公开(公告)号：US11877542B2
公开(公告)日：2024-01-23
申请号：US17464210
申请日：2021-09-01
IPC分类号： A01G20/47 , H01M50/247 , F04D19/00 , F04D25/06 , A47L5/14
CPC分类号： A01G20/47 , F04D19/002 , F04D25/06 , H01M50/247 , A47L5/14 , H01M2220/30
摘要： A backpack blower has a backpack with a load-bearing frame, a blower tube with a backpack-side tube section which is held on a rear side of the load-bearing frame, and a hand-side tube section which extends past a first side region of the load-bearing frame, a drive motor, an energy source for the drive motor, and an axial fan which is driven by the drive motor, has an axial fan axis, and is arranged in the backpack-side tube section of the blower tube. The backpack-side tube section of the blower tube runs with a main direction component in a backpack transverse direction of the load-bearing frame and has an axial blower tube end termination which projects laterally beyond a second side region of the load-bearing frame, which second side region faces away from the first side region, and/or is surrounded at least on a part of its circumference by a protective ring element which is connected to the load-bearing frame. The blower may be an electric leaf blower.
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公开(公告)号：US20150027745A1
公开(公告)日：2015-01-29
申请号：US14341997
申请日：2014-07-28
CPC分类号： B25F5/006 , B23Q11/0032 , B27B17/0033
摘要： A handheld work apparatus has a motor unit comprising a drive motor. The drive motor drives a tool of the work apparatus, for example a saw chain. The apparatus has a grip unit with a handle that is vibrationally decoupled from the motor unit via an antivibration element. The antivibration element is connected to a first component of the grip unit via a holding device and a second component of the motor unit via a holding element. Arranged in the connection of the first component to the second component through the antivibration element is a predetermined breaking point formed in a third component that is replaceable independently of the first component and the second component. The strength of the connection of the first component to the second component through the antivibration element is lowest at this predetermined breaking point.
摘要翻译： 手持式作业装置具有包括驱动马达的马达单元。 驱动马达驱动工作装置的工具，例如锯链。 该装置具有握柄单元，其具有通过防振元件与马达单元振动地分离的手柄。 防振元件经由保持元件经由保持装置和电动机单元的第二部件连接到握持单元的第一部件。 通过防振元件在第一部件与第二部件的连接中布置的是在独立于第一部件和第二部件可替换的第三部件中形成的预定断裂点。 在该预定的断点处，第一部件与第二部件通过防振元件的连接的强度最低。
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公开(公告)号：US11772221B2
公开(公告)日：2023-10-03
申请号：US17345934
申请日：2021-06-11
CPC分类号： B23Q11/0089 , B25F5/02
摘要： A first actuating element acts on a blocking device for an operator-controlled element for controlling the drive motor. In an enabled position of the blocking device, the operator-controlled element is enabled to control the drive motor. In a blocking position the blocking device mechanically blocks any actuation of the operator-controlled element. The first element acts on the blocking device via a transfer unit. In an actuated position of a second actuating element, the transfer unit establishes an operative connection between the first element and the blocking device, such that the blocking device is in the enabled position in the actuated position of the first element and is in the blocking position in the non-actuated position of the first element. In the non-actuated position of the second actuating element, the transfer unit is ineffective so that the blocking device is in the blocking position regardless of the first element's position.
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公开(公告)号：US20210299805A1
公开(公告)日：2021-09-30
申请号：US17345934
申请日：2021-06-11
摘要： A first actuating element acts on a blocking device for an operator-controlled element for controlling the drive motor. In an enabled position of the blocking device, the operator-controlled element is enabled to control the drive motor. In a blocking position the blocking device mechanically blocks any actuation of the operator-controlled element. The first element acts on the blocking device via a transfer unit. In an actuated position of a second actuating element, the transfer unit establishes an operative connection between the first element and the blocking device, such that the blocking device is in the enabled position in the actuated position of the first element and is in the blocking position in the non-actuated position of the first element. In the non-actuated position of the second actuating element, the transfer unit is ineffective so that the blocking device is in the blocking position regardless of the first element's position.
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公开(公告)号：US11141828B2
公开(公告)日：2021-10-12
申请号：US15918940
申请日：2018-03-12
摘要： A first actuating element acts on a blocking device for an operator-controlled element for controlling the drive motor. In an enabled position of the blocking device, the operator-controlled element is enabled to control the drive motor. In a blocking position the blocking device mechanically blocks any actuation of the operator-controlled element. The first element acts on the blocking device via a transfer unit. In an actuated position of a second actuating element, the transfer unit establishes an operative connection between the first element and the blocking device, such that the blocking device is in the enabled position in the actuated position of the first element and is in the blocking position in the non-actuated position of the first element. In the non-actuated position of the second actuating element, the transfer unit is ineffective so that the blocking device is in the blocking position regardless of the first element's position.
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公开(公告)号：US09623547B2
公开(公告)日：2017-04-18
申请号：US14341997
申请日：2014-07-28
CPC分类号： B25F5/006 , B23Q11/0032 , B27B17/0033
摘要： A handheld work apparatus has a motor unit comprising a drive motor. The drive motor drives a tool of the work apparatus, for example a saw chain. The apparatus has a grip unit with a handle that is vibrationally decoupled from the motor unit via an antivibration element. The antivibration element is connected to a first component of the grip unit via a holding device and a second component of the motor unit via a holding element. Arranged in the connection of the first component to the second component through the antivibration element is a predetermined breaking point formed in a third component that is replaceable independently of the first component and the second component. The strength of the connection of the first component to the second component through the antivibration element is lowest at this predetermined breaking point.
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7.发明授权Handheld work apparatus and elastic connecting piece for a handheld work apparatus 有权手持式工作装置的手持式工作装置和弹性连接件公开(公告)号：US09464606B2
公开(公告)日：2016-10-11
申请号：US14444931
申请日：2014-07-28
发明人： Sebastian Friedrich , Jens Knauss , Christian Schmidt , Daniel Diepolder , Christina Escher , Andreas Lingen , Juergen Bernert
IPC分类号： F02B75/02 , F02M35/10 , F16L27/108
CPC分类号： F02M35/10144 , F02M35/10137 , F02M35/1017 , F02M35/1019 , F02M35/10196 , F02M35/10281 , F02M35/10301 , F02M35/10321 , F02M35/10354 , F16L27/108
摘要： A handheld work apparatus has at least one tool which is driven by a combustion engine. A portion of an intake channel of the combustion engine is formed by an elastic connecting piece which has a first section and a second section between which an expansion fold is arranged. The expansion fold has a first side wall and a second side wall arranged downstream of the first side wall. A peripheral wall, which extends in the region of the largest outside diameter (a) of the expansion fold, is arranged in flow direction between the first side wall and the second side wall. The connecting piece has a stop for the expansion fold which prevents a segment of the first side wall adjoining the peripheral wall from bearing against the second side wall.
摘要翻译： 手持式工作装置具有至少一个由内燃机驱动的工具。 内燃机的进气通道的一部分由弹性连接件形成，弹性连接件具有第一部分和第二部分，在该第二部分之间布置有膨胀折叠部。 膨胀折叠部具有布置在第一侧壁下游的第一侧壁和第二侧壁。 在膨胀折叠的最大外径（a）的区域中延伸的周壁在第一侧壁和第二侧壁之间沿流动方向布置。 连接件具有用于膨胀折叠的止动件，其防止邻接周壁的第一侧壁的部分抵靠第二侧壁承受。
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公开(公告)号：US20180257191A1
公开(公告)日：2018-09-13
申请号：US15918940
申请日：2018-03-12
CPC分类号： B23Q11/0089 , B25F5/02
摘要： A first actuating element acts on a blocking device for an operator-controlled element for controlling the drive motor. In an enabled position of the blocking device, the operator-controlled element is enabled to control the drive motor. In a blocking position the blocking device mechanically blocks any actuation of the operator-controlled element. The first element acts on the blocking device via a transfer unit. In an actuated position of a second actuating element, the transfer unit establishes an operative connection between the first element and the blocking device, such that the blocking device is in the enabled position in the actuated position of the first element and is in the blocking position in the non-actuated position of the first element. In the non-actuated position of the second actuating element, the transfer unit is ineffective so that the blocking device is in the blocking position regardless of the first element's position.
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公开(公告)号：US09561599B2
公开(公告)日：2017-02-07
申请号：US14444021
申请日：2014-07-28
CPC分类号： B27B17/0033 , B25F5/006 , B25F5/008 , B27B17/08 , F02B63/02 , F02F1/065 , F02F1/242 , F16F15/00 , F16F15/04
摘要： A hand-held work implement comprises a housing, at least one tool and a combustion engine for driving the tool. The combustion engine has a cylinder and has a piston which drives a crankshaft in rotation about an axis of rotation. The crankshaft drives a fan impeller. The work implement has a handle unit with a handle bar and has an engine unit, these being connected to one another via anti-vibration elements. The combustion engine has a transverse plane which encompasses the cylinder longitudinal axis and which runs parallel to the axis of rotation of the crankshaft. The transverse plane divides the work implement into a front region, in which a section of the tool that projects out of the housing is arranged, and a rear region. The fixing of the anti-vibration element to the cylinder is realized in the front region.
摘要翻译： 手持式工作装置包括壳体，至少一个工具和用于驱动工具的内燃机。 内燃机具有气缸并且具有围绕旋转轴线旋转地驱动曲轴的活塞。 曲轴驱动风扇叶轮。 工作装置具有带手柄的把手单元，并具有发动机单元，它们通过防振元件相互连接。 内燃机具有包含气缸纵向轴线并且平行于曲轴的旋转轴线延伸的横向平面。 横向平面将工作装置分成前部区域，其中布置在壳体外部的工具的一部分布置在后部区域中。 在前部区域中实现了防振元件固定到气缸。
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10.发明申请公开(公告)号：US20150027396A1
公开(公告)日：2015-01-29
申请号：US14444931
申请日：2014-07-28
发明人： Sebastian Friedrich , Jens Knauss , Christian Schmidt , Daniel Diepolder , Christina Escher , Andreas Lingen , Juergen Bernert
IPC分类号： F02M35/10 , F16L27/108
CPC分类号： F02M35/10144 , F02M35/10137 , F02M35/1017 , F02M35/1019 , F02M35/10196 , F02M35/10281 , F02M35/10301 , F02M35/10321 , F02M35/10354 , F16L27/108
摘要： A handheld work apparatus has at least one tool which is driven by a combustion engine. A portion of an intake channel of the combustion engine is formed by an elastic connecting piece which has a first section and a second section between which an expansion fold is arranged. The expansion fold has a first side wall and a second side wall arranged downstream of the first side wall. A peripheral wall, which extends in the region of the largest outside diameter (a) of the expansion fold, is arranged in flow direction between the first side wall and the second side wall. The connecting piece has a stop for the expansion fold which prevents a segment of the first side wall adjoining the peripheral wall from bearing against the second side wall.
摘要翻译： 手持式工作装置具有至少一个由内燃机驱动的工具。 内燃机的进气通道的一部分由弹性连接件形成，弹性连接件具有第一部分和第二部分，在该第二部分之间布置有膨胀折叠部。 膨胀折叠部具有布置在第一侧壁下游的第一侧壁和第二侧壁。 在膨胀折叠的最大外径（a）的区域中延伸的周壁在第一侧壁和第二侧壁之间沿流动方向布置。 连接件具有用于膨胀折叠的止动件，其防止邻接周壁的第一侧壁的部分抵靠第二侧壁承受。
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