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    HANDWERKZEUGMASCHINE, INSBESONDERE BOHR- UND/ODER SCHLAGHAMMER
    51.
    发明公开
    HANDWERKZEUGMASCHINE, INSBESONDERE BOHR- UND/ODER SCHLAGHAMMER 审中-公开
    手持式工具机，尤其是钻和/或冲击锤

    公开(公告)号：EP1819486A1

    公开(公告)日：2007-08-22

    申请号：EP05771980.9

    申请日：2005-07-22

    申请人： Robert Bosch GmbH

    发明人： FRAUHAMMER, Karl ,  SCHNERRING, Heinz ,  BRAUN, Willy ,  KUHNLE, Axel

    IPC分类号： B25D16/00

    CPC分类号： B25D16/003 ,  B25D2250/165 ,  B25D2250/205

    摘要： The invention relates to a handheld machine tool, especially a drill hammer and/or a percussive drill. Said machine tool comprises a hammer tube (15) which is rotatably arranged in a housing (11) and is used to rotatably drive a tool receiving element (16) holding a tool in a rotationally fixed and axially displaceable manner, a motor-driven drive toothed wheel which is arranged on the hammer tube (15) and is used to rotatably drive the hammer tube (15), and a latch coupling (24) comprising concentric coupling parts that are engaged by means of torque-transmitting elements (26) and can be latched against a radial force of a coupling spring when a threshold torque is exceeded. One of said coupling parts is formed by the hammer tube (15), and one is a motor-driven percussive mechanism (18) which is arranged in the hammer tube (15) and is used to drive the tool in a translatory manner. The aim of the invention is to produce a robust latch coupling (24) that can be used both for a hammer tube (15) that is axially fixed in relation to the housing (11) and for a hammer tube (15) that can be axially displaced in relation to the housing (11), said hammer tube (15) being embodied as a single component or in several parts. To this end, the other coupling part of the latch coupling (24) is formed by a coupling sleeve (25) that is arranged on the hammer tube (15) in a sliding manner and can be coupled to the drive toothed wheel (14) for the fixed rotary connection.

    BOHR- ODER SCHLAGHAMMER
    52.
    发明公开
    BOHR- ODER SCHLAGHAMMER 有权
    BOHR-ODER SCHLAGHAMMER

    公开(公告)号：EP1578563A1

    公开(公告)日：2005-09-28

    申请号：EP03814446.5

    申请日：2003-07-25

    申请人： ROBERT BOSCH GMBH

    发明人： KUHNLE, Axel ,  BRAUN, Willy ,  SCHNERRING, Heinz ,  MEIXNER, Gerhard ,  FRAUHAMMER, Karl

    IPC分类号： B25D11/00 ,  B25D16/00 ,  B25D17/06

    CPC分类号： B25D17/06 ,  B25D11/005 ,  B25D16/00 ,  B25D2250/035 ,  B25D2250/131 ,  B25D2250/191 ,  B25D2250/371

    摘要： The invention relates to a drill hammer or a paving breaker comprising a housing (10), a tool holder (11) and an insulating air cushion striking train (12). The striking train (12) comprises a motor-driven piston (21) which can move back and forth, a hammer (22) which is driven by the piston (21) and a hammer tube (14) which guides the piston (21). An idling control opening and (31) an idling spring (35) are provided in order to control idling in the insulating air cushion striking train (12) when the tool is lifted from a processing point. In order to ensure an idling via a large idling path of the striking train (12) while at the same time ensuring low production costs and creating a constructively simple device, the hammer tube (14) is secured in the housing (10) in such a manner that it cannot be axially displaced and the tool holder (11) is embodied in such a manner that it can be axially displaced. The idling spring (35) is supported on the tool holder(11) and on a fixed stop ring (26) which cannot be displaced axially.

    摘要翻译： 本发明涉及一种包括壳体（10），工具架（11）和绝热气垫打火机构（12）的钻锤或铺路机。 冲击火车（12）包括可前后运动的电动活塞（21），由活塞（21）驱动的锤（22）和引导活塞（21）的锤管（14） 。 提供空转控制开口和（31）空转弹簧（35），以便当工具从加工点提升时控制绝热气垫冲击列（12）中的空转。 为了确保通过击打火车（12）的大空转路径空转，同时确保低生产成本和创建结构简单的装置，锤管（14）以这种方式固定在壳体（10）中 它不能轴向移动并且刀架（11）构造成可轴向移动。 空转弹簧（35）支撑在工具架（11）上和不能轴向移动的固定止动环（26）上。

    HANDGRIFFVORRICHTUNG
    57.
    发明公开
    HANDGRIFFVORRICHTUNG 审中-公开

    公开(公告)号：EP2750835A1

    公开(公告)日：2014-07-09

    申请号：EP12783534.6

    申请日：2012-08-31

    申请人： Robert Bosch GmbH

    发明人： BRAUN, Willy ,  HEINEN, Patrick ,  DIEM, Carsten ,  KUHNLE, Axel

    IPC分类号： B25D17/04 ,  B25D17/00 ,  B25F5/00 ,  B25F5/02

    CPC分类号： B25D17/043 ,  B25D17/00 ,  B25D2222/57 ,  B25D2222/69 ,  B25D2250/261 ,  B25D2250/265 ,  B25D2250/275 ,  B25D2250/371 ,  B25D2250/381 ,  B25F5/02

    摘要： The invention relates to a handle device for a hand-held power tool, which comprises an operating mode-switchover device and a drive device for driving an insert tool in different operating modes, with at least one spring element (18) and a handle unit (22) which is mounted on a machine housing (20) so as to be movable at least to a limited extent and which is at least partially decoupled in terms of vibrations via the at least one spring element (18) with respect to the machine housing (20). It is proposed that the handle device comprise at least one secondary spring element (34).

    摘要翻译： 用于手持式工具机的手柄装置技术领域本发明涉及一种用于手持式工具机的手柄装置，其包括工作模式切换装置和用于在不同的工作模式下驱动插入工具的驱动装置，其中至少一个弹簧元件（18）和手柄单元 （22），其安装在机器壳体（20）上，以便至少在有限程度上可移动，并且就通过所述至少一个弹簧元件（18）相对于所述机器的振动至少部分地解耦 住房（20）。 建议手柄装置包括至少一个副弹簧元件（34）。

    ELEKTROWERKZEUGMASCHINE MIT ARRETIERBARER SCHALTWIPPE
    59.
    发明公开
    ELEKTROWERKZEUGMASCHINE MIT ARRETIERBARER SCHALTWIPPE 审中-公开
    电动工具机可锁定移位

    公开(公告)号：EP2601019A1

    公开(公告)日：2013-06-12

    申请号：EP11725401.1

    申请日：2011-06-03

    申请人： Robert Bosch GmbH

    发明人： BRAUN, Willy

    IPC分类号： B25D17/04

    CPC分类号： H01H9/226 ,  B25D17/00 ,  B25D17/043 ,  B25D2250/265 ,  B25F5/02

    摘要： An electric machine-tool includes an anti-vibration handle casing. A mechanical actuating device and a locking device configured to lock the mechanical actuating device in at least one operating state of the electric machine-tool are arranged in the handle casing. The electric machine-tool also includes an electric switch configured to be moved by the mechanical actuating device into a switched-on and a switched-off position. The handle housing comprises a handle area extending along a longitudinal extension of the mechanical actuating device. The electric switch is arranged outside of the handle area.