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    • 65. 发明授权
    • Hand-held machine tool with slip clutch
    • 带滑动离合器的手持式机床
    • US07861797B2
    • 2011-01-04
    • US11807677
    • 2007-05-29
    • Markus HartmannManfred Ludwig
    • Markus HartmannManfred Ludwig
    • B25D15/00B25D16/00B25D11/12
    • B25D16/003B25B21/02B25B21/026B25D2211/003B25D2211/068B25D2216/0023B25D2217/0019B25D2250/045B25D2250/165B25D2250/321
    • An at least partially rotating and axially percussive hand-held machine tool (4) has an impact mechanism (5) with a guide tube (6) in which a percussion piston (7) is driven in an axially percussive manner by a pneumatic spring (8) and with a slip clutch (10) which is driven in rotation, encloses the guide tube (6), is provided axially with cams (9), and has a driving sleeve (11) and driven sleeve (12) which are biased axially relative to one another under pressure by a spring (13). The driving sleeve (11) is connected by positive engagement to a control sleeve (14) coaxial to the driving sleeve by balls (18) which partially engage, respectively, in two control contours (19a, 19b) of the driving sleeve (11) and of the control sleeve (14), which control contours (19a, 19b) are arranged partially opposite one another, and the driving sleeve (11) is positively guided in such a way that the driving sleeve (11), which is axially biased under pressure by the spring (13), is displaced axially and rotated relative to the control sleeve (14) when a limiting torque is exceeded.
    • 至少部分旋转和轴向冲击式手持式机床(4)具有冲击机构(5),该冲击机构(5)具有导向管(6),冲击活塞(7)通过气动弹簧以轴向冲击方式被驱动 并且具有围绕引导管(6)旋转驱动的滑动离合器(10)轴向地设置有凸轮(9),并且具有驱动套筒(11)和被驱动的套筒(12),其被偏置 在弹簧(13)的压力下相对于彼此轴向相对。 驱动套筒(11)通过分别与驱动套筒(11)的两个控制轮廓(19a,19b)部分接合的滚珠(18)通过正接合连接到与驱动套筒同轴的控制套筒(14) 和控制轮廓(19a,19b)彼此部分地相对布置的控制套筒(14),并且驱动套筒(11)以这样的方式被主动地引导,使得驱动套筒(11)被轴向偏置 在受到弹簧(13)的压力下,当超过限制转矩时,轴向移动并相对于控制套筒(14)旋转。
    • 66. 发明申请
    • Machine tool
    • 机床
    • US20100300718A1
    • 2010-12-02
    • US12800896
    • 2010-05-25
    • Markus HartmannAlexander John
    • Markus HartmannAlexander John
    • B25D11/06
    • B25D11/005B25D11/125B25D17/06B25D2211/003B25D2217/0023B25D2250/035B25D2250/131B25D2250/345B25D2250/365
    • The machine tool includes a pneumatic percussion mechanism having a cup-shaped exciter cylinder (21) with an inner chamber (31) which is open in the direction of impact (26), and a free piston (22) which is movable in the inner chamber (31). A recess (32) and at least one ventilation opening (35), spaced at a distance from the recess (32) in the direction of impact (26), are provided in a shell-type wall (39) of the inner chamber (31). The free piston (22) includes a sealing element (53) which seals off the at least one ventilation opening (35) when the sealing element (53) is oppositely situated from the at least one ventilation opening (35), and which in the region of the recess (32) is separated at a distance from the shell-type wall (39) when the sealing element (53) is oppositely situated from the recess.
    • 该机床包括气动冲击机构,该气动冲击机构具有杯形激励器气缸(21),所述杯形激励器气缸(21)具有沿着冲击方向(26)打开的内腔(31),以及可在内部移动的自由活塞 室(31)。 在内腔(26)的外壳型壁(39)中设置有一个凹槽(32)和至少一个在冲击方向(26)上与凹部(32)隔开一段距离的通风口(35) 31)。 自由活塞(22)包括密封元件(53),当密封元件(53)与至少一个通风开口(35)相对设置时,所述密封元件(53)密封所述至少一个通风开口(35) 当密封元件(53)与凹部相对设置时,凹部(32)的区域与壳型壁(39)隔开一定距离。
    • 68. 发明授权
    • Device for reversing rotational direction of a motor
    • 用于反转电机旋转方向的装置
    • US07355314B2
    • 2008-04-08
    • US11478712
    • 2006-06-29
    • Reinhard RiedlMarkus Hartmann
    • Reinhard RiedlMarkus Hartmann
    • H02K13/00
    • H02K23/18
    • An electrical hand-held power tool (2) includes an electric motor (4) with a stator (12), and a device (26) for reversing the rotational direction of the motor (4) and which has a contact carrier (28) fixedly securable on the stator housing with a releasable connection element and having field contacts (32) electrically connectable with the stator winding (14), and fixed contacts (42a, 42b) electrically connected with the field contacts (32), with the reversing device (26) also including a brush carrier (30) provided with carbon guides (48) and switching contacts (52a, 52b) electrically connected with the carbon guides (48) and electrically connectable with the fixed contacts (42a, 42b) of the contact carrier (28), the brush carrier (30) being rotatable relative to the contact carrier (28), and the stator housing (16) having an axial stop for the brush carrier (30).
    • 电动手持式电动工具(2)包括具有定子(12)的电动机(4)和用于使电动机(4)的旋转方向反转并具有接触支架(28)的装置(26) 固定地固定在定子壳体上,具有可释放的连接元件,并且具有与定子绕组(14)可电连接的场触点(32)以及与场触点(32)电连接的固定触头(42,4a,42b) 换向装置(26)还包括设置有碳导向器(48)的电刷架(30)和与碳导向器(48)电连接并与固定触头(42,41)电连接的开关触头(52a,52b) 42b)中,电刷载体(30)可相对于接触载体(28)旋转,而定子壳体(16)具有用于电刷载体(30)的轴向止动件。
    • 69. 发明授权
    • Saber saw with an adjusting device for a saber saw guide
    • 军刀用一把调整装置看到了一个军刀锯
    • US07310880B2
    • 2007-12-25
    • US10820352
    • 2004-04-08
    • Markus Hartmann
    • Markus Hartmann
    • B23D49/16B25F5/02
    • B23D51/02B23D49/167Y10T16/466Y10T279/17769Y10T279/17786
    • A motor-driven saber saw includes a housing (4), having a neck (8) which serves as a handle and has a tool opening (6), a guide device (22) for guiding the saber saw (2) on a workpiece and releasably connectable to the housing (4) in a region of the housing neck (8) and including a connection device (21) for connecting the guide device (22) to the housing (4), the housing (4) having connecting receptacles (18) for guiding the connection device (21), an adjusting device (30) mountable on the connection receptacles (18) for securing the connection device (21) to the housing, and a rectilinear spring member (36) for biasing the adjusting device (30) to a locking position and extending substantially in a longitudinal direction of the housing neck (8).
    • 马达驱动的刀形锯包括具有用作手柄的颈部(8)并具有工具开口(6)的壳体(4),用于将刀锯(2)引导到工件上的引导装置(22) 并且在所述壳体颈部(8)的区域中可释放地连接到所述壳体(4)并且包括用于将所述引导装置(22)连接到所述壳体(4)的连接装置(21),所述壳体(4)具有连接插座 (18),用于引导所述连接装置(21);安装在所述连接插座(18)上用于将所述连接装置(21)固定到所述壳体的调节装置(30),以及直线弹簧构件(36) 装置(30)到锁定位置并且基本沿着壳体颈部(8)的纵向方向延伸。