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公开(公告)号：US20150298354A1
公开(公告)日：2015-10-22
申请号：US14443917
申请日：2013-11-19
发明人： Ralf Greitmann , Oliver Ohlendorf , Ralf Meixner , Helmut Specht
摘要： A power tool (10) for processing a workpiece (23), including a processing tool (12) that can be rotated in a rotational direction (14) around an axis of rotation (15) by a drive (13), a protective hood (25) that surrounds the processing tool (12), at least partially, and a spraying device (11) with a first spray nozzle (37) and a pump (36) that is connected to the first spray nozzle (37) via a first connection line (38), whereby the pump (36) generates a minimum pressure of 5 bar in the first connection line (38).
摘要翻译： 一种用于加工工件（23）的电动工具（10），包括可通过驱动器（13）围绕旋转轴线（15）沿旋转方向（14）旋转的加工工具（12），保护罩 （25），至少部分地围绕所述加工工具（12）以及具有第一喷嘴（37）和泵（36）的喷洒装置（11），所述第一喷嘴（37）和泵（36）经由所述第一喷嘴 第一连接管线（38），由此泵（36）在第一连接管线（38）中产生5巴的最小压力。
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公开(公告)号：US11289842B2
公开(公告)日：2022-03-29
申请号：US16606512
申请日：2018-04-16
发明人： Ralf Meixner , Johannes Stempfhuber
摘要： A power tool, which includes a receiving device having at least one receiving element and a power supply unit connectable to the power tool, for example a rechargeable battery, which includes a connecting device, the connecting device having at least one contact element, the receiving device being designed to receive and hold the connecting device, so that the at least one receiving element and the at least one contact element are connectable to each other for establishing an electrical connection. A damping element is provided on at least one contact element, whereby the at least one contact element is movable in a first direction and a second direction as well as relative to the particular receiving element, so that it is possible to counteract a relative movement between the contact element and the particular receiving element when the contact element and the receiving element are connected to each other.
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公开(公告)号：US20200094329A1
公开(公告)日：2020-03-26
申请号：US16608104
申请日：2018-04-19
发明人： Ralf Meixner , Johannes Stempfhuber
摘要： A power tool includes a receiving device having at least one first and second power consumption element. A power supply unit connectable to the power tool includes a connecting device having at least one first and second power output element, the receiving device being designed to receive and hold the connecting device, so that the power consumption elements and the power output elements are connectable. Both the first and second power consumption elements have a positive pole as well as a negative pole, and both the first and second power output elements have a positive pole as well as a negative pole. The positive pole of the first power consumption element and the positive pole of the second power consumption element as well as the negative pole of the first power consumption element and the negative pole of the second power consumption element are positioned at a distance from each other in at least one first and second direction.
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公开(公告)号：US20170326718A1
公开(公告)日：2017-11-16
申请号：US15531985
申请日：2015-11-30
发明人： Ralf Meixner , Manfred Jakob , Thomas Thanner
IPC分类号： B25F5/00 , H01M10/6563 , B25D11/00 , H01M10/6235 , B25D16/00 , B25D17/20 , H01M10/48
摘要： A hand-held power tool, in particular a hammer drill or a combination hammer, is disclosed. The hand-held power tool includes a tool housing which has a receiving recess designed to replaceably receive a storage battery or a power supply unit. The hand-held power tool has an electric drive motor with a cooling fan. The tool housing has a first vent portion which is located in the receiving recess and through which a volume flow generated by the cooling fan can be guided.
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公开(公告)号：US20220181813A1
公开(公告)日：2022-06-09
申请号：US17680083
申请日：2022-02-24
发明人： Ralf Meixner , Johannes Stempfhuber
摘要： A power tool, which includes a receiving device having at least one receiving element and a power supply unit connectable to the power tool, for example a rechargeable battery, which includes a connecting device, the connecting device having at least one contact element, the receiving device being designed to receive and hold the connecting device, so that the at least one receiving element and the at least one contact element are connectable to each other for establishing an electrical connection. A damping element is provided on at least one contact element, whereby the at least one contact element is movable in a first direction and a second direction as well as relative to the particular receiving element, so that it is possible to counteract a relative movement between the contact element and the particular receiving element when the contact element and the receiving element are connected to each other.
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公开(公告)号：US10569407B2
公开(公告)日：2020-02-25
申请号：US15531977
申请日：2015-11-30
发明人： Ralf Meixner , Holger Cecchin , Bernd Ziegler
摘要： A hand-held power tool, in particular a hammer drill or combination hammer, is disclosed. The power tool includes a tool housing which has a receiving recess designed to replaceably receive a storage battery or a power supply unit. The hand-held power tool further includes an electric drive motor having a cooling fan and a first vent portion which is located on the tool housing outside the receiving recess and through which a volume flow generated by the cooling fan can be guided. The tool housing has a second vent portion which is different from the first vent portion and which is located in the receiving recess and through which the volume flow generated by the cooling fan can be at least partially guided.
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公开(公告)号：US20180104811A1
公开(公告)日：2018-04-19
申请号：US15568164
申请日：2016-04-22
发明人： Ralf Meixner , Markus Hunger , Manfred Jakob
CPC分类号： B25F5/008 , B23Q11/127 , B25D17/20 , B25D2217/0061 , B25D2250/095 , H02K7/145
摘要： A hand-held power tool, in particular a hammer drill or combi-hammer, including a tool housing having an accommodating region designed for accommodating a rechargeable tool battery, wherein, in the accommodating region, a contact region for electrically contacting the rechargeable tool battery as well as a connection region that is electrically connected to the contact region is provided, wherein the connection region is designed to convey a supply current provided by the rechargeable tool battery to an electric drive motor of the hand-held power tool, wherein the hand-held power tool has a cooling fan arranged in the tool housing and operated by the electric drive motor, by which cooling air for cooling the accommodating region can be sucked through the accommodating region, wherein at least one partitioning element is provided in the accommodating region in such a way that the contact region remains substantially free from cooling air sucked through the accommodating region.
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公开(公告)号：US20170334055A1
公开(公告)日：2017-11-23
申请号：US15531977
申请日：2015-11-30
发明人： Ralf Meixner , Holger Cecchin , Bernd Ziegler
CPC分类号： B25F5/008 , B25D16/00 , B25D17/20 , B25D2217/0061
摘要： A hand-held power tool, in particular a hammer drill or combination hammer, is disclosed. The power tool includes a tool housing which has a receiving recess designed to replaceably receive a storage battery or a power supply unit. The hand-held power tool further includes an electric drive motor having a cooling fan and a first vent portion which is located on the tool housing outside the receiving recess and through which a volume flow generated by the cooling fan can be guided. The tool housing has a second vent portion which is different from the first vent portion and which is located in the receiving recess and through which the volume flow generated by the cooling fan can be at least partially guided.
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公开(公告)号：US11005206B2
公开(公告)日：2021-05-11
申请号：US16636252
申请日：2018-08-03
摘要： A plug-in coupling (100) for making electrical contact with an electric drive (90) which is included in a hand-held power tool (200) and has a battery unit (20) which is to be accommodated by the hand-held power tool (200). The plug-in coupling (100) has at least one electrical contact plate (1) which is to be connected to the hand-held power tool (200), and at least one electrical contact spring pair (3) which corresponds to the contact plate (1), wherein the contact spring pair (3) is to be arranged on the battery unit (20) and is to be slid onto the contact plate (1) in the sliding-on direction (AR) and is to be withdrawn therefrom in the withdrawal direction (AB), wherein in the state in which contact is made (ZK) the contact plate (1) and the contact spring pair (3) form a frictionally locking latching-connection pairing.
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公开(公告)号：US10675745B2
公开(公告)日：2020-06-09
申请号：US15531985
申请日：2015-11-30
发明人： Ralf Meixner , Manfred Jakob , Thomas Thanner
IPC分类号： B25F5/00 , H01M10/6235 , H01M10/6563 , B25D11/00 , B25D16/00 , B25D17/20 , H01M10/48
摘要： A hand-held power tool, in particular a hammer drill or a combination hammer, is disclosed. The hand-held power tool includes a tool housing which has a receiving recess designed to replaceably receive a storage battery or a power supply unit. The hand-held power tool has an electric drive motor with a cooling fan. The tool housing has a first vent portion which is located in the receiving recess and through which a volume flow generated by the cooling fan can be guided.
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