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1. 发明授权

US5169225A Power tool with light 失效
标题翻译：电动工具灯
公开(公告)号：US5169225A
公开(公告)日：1992-12-08
申请号：US796820
申请日：1991-11-25
申请人： Bernhard Palm
发明人： Bernhard Palm
IPC分类号： B25F5/02
CPC分类号： B25F5/021
摘要： The power pack (battery pack) which is removably mounted on the lower end of the pistol grip portion of the hand power tool is provided with a light mounted in a slider mounted in the power pack for movement between a retracted position in which in conforms to the contour of the power pack and a projecting position in which the light is connected across the battery supply and projects the light beam upwardly and forwardly of the tool to illuminate the work area.
摘要翻译：可移动地安装在手动电动工具的手枪把手部分的下端的电源组（电池组）设置有安装在安装在动力组件中的滑块中的灯，用于在缩回位置之间移动，其中符合电源组件的轮廓和突出位置，在该突出位置，光线连接在电池电源上，并将光束向上和向前突出，以照亮工作区域。

2. 再颁专利

USRE33145E Magnetic base for portable tools 失效
标题翻译：便携式工具的磁性底座
公开(公告)号：USRE33145E
公开(公告)日：1990-01-09
申请号：US260178
申请日：1988-10-19
申请人： Bernhard Palm
发明人： Bernhard Palm
IPC分类号： B23Q3/154 , B25H1/00
CPC分类号： B25H1/0071 , B23Q3/1546 , Y10T279/23 , Y10T408/554
摘要： The power tool has a magnetic base with superposed permanent magnet assemblies. The upper assembly can be moved relative to the lower assembly to subtract from or reinforce the magnetic field. The upper assembly is somewhat shorter than the lower assembly so even when the upper assembly is positioned to shunt to subtract from the flux of the lower assembly there will be some magnetic flux attracting the base to a ferromagnetic material. When the sensing probe is pushed into the base the electric motor can be switched on to rotate a spindle on which a rotary cutting tool is axially mounted. The tool feed is controlled by a handle which can be mounted on either side of the tool housing.

3. 发明授权

US4770073A Socket wrench extension 失效
标题翻译：套筒扳手延长
公开(公告)号：US4770073A
公开(公告)日：1988-09-13
申请号：US17229
申请日：1987-02-20
申请人： Bernhard Palm
发明人： Bernhard Palm
IPC分类号： B25B23/00 , B25B23/16 , B25G1/04
CPC分类号： B25B23/0035 , Y10T403/606 , Y10T403/7039
摘要： A push-on/quick release locking arrangement is mounted on a socket wrench extension or driver having a cylindrical body with a square drive end. An inclined transverse bore in the drive end intersects opposed flat faces of the drive end and lock balls are mounted in the bore for movement between a "lock" position and a "release" position. In the "lock" position one ball projects from the end of the bore nearest the end of the drive end to engage a cooperating cavity in the drive recess of a socket. In the "release" position the balls lie within the cross section of the drive end. There is an axial groove in the flat face intersected by the end of said bore further from the end of the drive end. A cylindrical grip sleeve is mounted for slideable movement on the cylindrical body of the extension. The end of said sleeve remote from the drive end is turned inwardly and an integral control tab projects from the other end of the sleeve. A spring is captured inside the sleeve between the inturned end and an inside shoulder formed in the sleeve. A coil of the spring is captured in a groove in the cylindrical body so the spring bears against the sleeve to bias the sleeve towards the drive end and the tab projecting from the sleeve fits into the axial groove and overlies the lock ball when the inturned end of the sleeve abuts the spring coil.
摘要翻译：推动/快速释放锁定装置安装在具有方形驱动端的圆柱形主体的套筒扳手延伸部或驱动器上。驱动端中的倾斜横向孔与驱动端的相对的平面相交，并且锁定球安装在孔中以在“锁定”位置和“释放”位置之间移动。在“锁定”位置，一个球从最靠近驱动端的端部的孔的端部突出以接合插座的驱动凹部中的配合腔。在“释放”位置，球位于驱动端的横截面内。平坦面中的轴向凹槽与驱动端的端部之间的孔的端部相交。安装圆柱形夹套用于在延伸件的圆柱体上可滑动运动。远离驱动端的所述套筒的端部向内转动并且整体控制翼片从套筒的另一端伸出。在套筒内部捕获弹簧，该内侧端部和形成在套筒中的内侧肩部之间。弹簧的线圈被捕获在圆柱形主体中的凹槽中，使得弹簧抵靠套筒以将套筒偏压到驱动端，并且当套筒端部向内延伸时，从套筒突出的突出部嵌入轴向槽中并覆盖锁定球套筒与弹簧圈相接。

4. 发明授权

US5607023A Impact absorption mechanism for power tools 失效
标题翻译：电动工具冲击吸收机理
公开(公告)号：US5607023A
公开(公告)日：1997-03-04
申请号：US443784
申请日：1995-05-18
申请人： Bernhard Palm
发明人： Bernhard Palm
IPC分类号： B23D49/16 , B23D51/16 , F16D7/02 , F16D7/08 , B23Q5/56
CPC分类号： B23D49/162 , B23D51/16 , F16D7/025 , F16D7/08 , B25D2217/0088 , Y10T74/19633
摘要： Disclosed herein is an impact absorption mechanism and a power tool including an impact absorption mechanism. When a tool bit binds a high energy impulse of short duration is generated that may damage components of the power tool. The impact absorption mechanism absorbs this high energy impulse and prevents damage to other components of the power tool.
摘要翻译：本文公开了一种冲击吸收机构和包括冲击吸收机构的动力工具。当工具位绑定时，产生可能损坏电动工具的部件的短持续时间的高能量脉冲。冲击吸收机构吸收这种高能量冲击并防止损坏电动工具的其他部件。

5. 发明授权

US4687385A Portable hole cutting power tool 失效
标题翻译：便携式切孔电动工具
公开(公告)号：US4687385A
公开(公告)日：1987-08-18
申请号：US720860
申请日：1985-04-08
申请人： Bernhard Palm
发明人： Bernhard Palm
IPC分类号： B23B45/00 , B23B45/14 , H01F7/04
CPC分类号： H01F7/04 , Y10S408/71 , Y10S408/712 , Y10T408/44 , Y10T408/554 , Y10T408/675
摘要： The power tool has a magnetic base with superimposed permanent magnet assemblies. The upper assembly can be moved relative to the lower assembly to shunt or reinforce the magnetic field. When the sensing probe is pushed into the base the electric motor can be switched on to rotate a spindle on which a rotary cutting tool is axially mounted. The tool feed is controlled by a handle which can be mounted on either side of the tool housing. A coolant reservoir on the base has a hose connected to a pump which is connected to a manifold supplying coolant to the interior of the cutting tool. The cutting tool is biased upwardly and pinches off the coolant when the tool is raised from the work.
摘要翻译：电动工具具有带有叠加的永久磁铁组件的磁性基座。上部组件可以相对于下部组件移动以分流或加强磁场。当感测探头被推入基座时，可以接通电动马达以旋转其上轴向安装旋转切削工具的主轴。刀具进给由手柄控制，手柄可以安装在工具外壳的两侧。基座上的冷却剂储存器具有连接到泵的软管，该软管连接到向切削工具的内部供应冷却剂的歧管。当工具从工件上升时，切割工具向上偏置并夹紧冷却剂。

6. 发明授权

US4682918A Keyless impacting chuck 失效
标题翻译：无钥匙冲击卡盘
公开(公告)号：US4682918A
公开(公告)日：1987-07-28
申请号：US707593
申请日：1985-03-04
申请人： Bernhard Palm
发明人： Bernhard Palm
IPC分类号： B23B31/173 , B23B31/12 , B23B31/10
CPC分类号： B23B31/123 , B23B2231/06 , Y10S279/902 , Y10T279/17615 , Y10T408/96
摘要： A keyless chuck for a power drill having a drive spindle projecting from the drill housing. The chuck body is fixed on and rotatable with the spindle and has a plurality of jaws mounted for movement on axes inclined with respect to the spindle axis. The collar is mounted for rotation with and with respect to said body and has a split nut connected to the jaws to move them on said axes to grip or release a tool shank when there is relative rotation between said collar and said body. A ring is splined on the housing and is spring biased toward the housing. The ring is manually movable toward the collar to bring the axially projecting lugs on the ring in engagement with lugs on the collar to retard the collar from rotating which causes relative rotation between the body and the collar when the body is rotated. Inclined faces on the lugs force the lugs apart when movement of the jaws is prevented and the lugs cause an impacting action to overcome static friction. In one embodiment the splined ring includes a dished spring seat which has apertures for support fingers to project through from the gear case. A C-ring is fixed in the fingers to serve as a seat for a spring compressed between the C-ring and the dished seat. In the preferred embodiment a resilient retainer having a U or channel cross section has an angular segment removed so it can be flexed to a small diameter to pass under a shoulder projecting inwardly from the ring. This enables the retainer to be fixed to the gear case by engaging an inner groove and to also retain a bearing in place. The compressed biasing spring acts between the shoulder and the retainer wall nearer the chuck and the spring is prevented from contacting a rotating surface.
摘要翻译：一种用于动力钻的无钥匙卡盘，其具有从钻孔壳体突出的驱动轴。卡盘主体固定在主轴上并与主轴一起旋转，并具有多个夹爪，其安装成在相对于主轴轴线倾斜的轴上移动。轴环安装成与所述主体一起旋转并具有与所述夹爪连接的分离螺母，以在所述轴环和所述主体之间存在相对旋转时在所述轴线上移动它们以夹紧或释放工具柄。一个环在外壳上花键并且被弹簧偏压到壳体。环可以手动地朝向轴环移动以将轴向突出的凸耳带在环上，以与套环上的凸耳接合，以阻止套环旋转，这在主体旋转时引起主体和套环之间的相对旋转。当防止颚爪的移动时，凸耳上的倾斜面迫使凸耳分开，并且凸耳引起冲击作用以克服静摩擦。在一个实施例中，花键环包括具有用于支撑指状物从孔齿轮箱突出通过的孔的碟形弹簧座。 C形环固定在手指中，用作用于在C形环和碟形座之间压缩的弹簧座。在优选实施例中，具有U或通道横截面的弹性保持器具有去除的角部分，使得其可以弯曲成小直径以在从环向内突出的肩部下方通过。这使得保持器通过接合内槽而固定到齿轮箱并且还将轴承保持在适当位置。压缩的偏压弹簧作用在靠近卡盘的肩部和保持器壁之间，并且防止弹簧接触旋转表面。

7. 发明授权

US4626152A Quick change tool retainer 失效
公开(公告)号：US4626152A
公开(公告)日：1986-12-02
申请号：US720859
申请日：1985-04-08
申请人： Bernhard Palm
发明人： Bernhard Palm
IPC分类号： B23B45/00 , B23B31/107 , B23B31/22 , B23B45/14 , B23B51/04 , B25H1/00
CPC分类号： B25H1/0071 , B23B31/1071 , B23B51/0473 , Y10S279/905 , Y10S408/712 , Y10T279/17196 , Y10T279/17752 , Y10T408/6786 , Y10T408/95 , Y10T409/309408
摘要： The power tool has a magnetic base with superposed permanent magnet assemblies. The upper assembly can be moved relative to the lower assembly to subtract from or reinforce the magnetic field. When the sensing probe is pushed into the base the electric motor can be switched on to rotate a spindle on which a rotary cutting tool is axially mounted. The tool feed is controlled by a handle which can be mounted on either side of the tool housing. A coolant reservoir on the base has a hose connected to a pump which is connected to a manifold supplying coolant to the center of the cutting tool. The cutting tool is biased upwardly and pinches off the coolant when the tool is raised from the work. The tubular tool shank is retained on the drive spindle by balls carried by a cage and moved into engagement with a groove in the tool shank by a cam surface on a release collar spring biased to move the balls to engage the tool.

8. 发明授权

US4610580A Drill feed handle 失效
标题翻译：钻进料手柄
公开(公告)号：US4610580A
公开(公告)日：1986-09-09
申请号：US720858
申请日：1985-04-08
申请人： Bernhard Palm
发明人： Bernhard Palm
IPC分类号： B23B45/00 , B23B45/14 , B23B47/18 , B23Q5/54 , B25H1/00 , B23B39/10
CPC分类号： B23Q5/54 , B25H1/0071 , Y10S408/712 , Y10T408/6786 , Y10T408/96
摘要： The power tool has a magnetic base with superimposed permanent magnet assemblies. The upper assembly can be moved relative to the lower assembly to shunt or reinforce the magnetic field. When the sensing probe is pushed into the base the electric motor can be switched on to rotate a spindle on which a rotary cutting tool is axially mounted. The tool feed is controlled by a handle which can be mounted on either side of the tool housing. A coolant reservoir on the base has a hose connected to a pump which is connected to a manifold supplying coolant to the interior of the cutting tool. The cutting tool is biased upwardly and pinches off the coolant when the tool is raised from the work.
摘要翻译：电动工具具有带有叠加的永久磁铁组件的磁性基座。上部组件可以相对于下部组件移动以分流或加强磁场。当感测探头被推入基座时，可以接通电动马达以旋转其上轴向安装旋转切削工具的主轴。刀具进给由手柄控制，手柄可以安装在工具外壳的两侧。基座上的冷却剂储存器具有连接到泵的软管，该软管连接到向切削工具的内部供应冷却剂的歧管。当工具从工件上升时，切割工具向上偏置并夹紧冷却剂。

9. 发明授权

US5050307A Wobble plate drive 失效
标题翻译：摇摆盘驱动
公开(公告)号：US5050307A
公开(公告)日：1991-09-24
申请号：US622431
申请日：1990-12-05
申请人： Bernhard Palm
发明人： Bernhard Palm
IPC分类号： B23D49/16 , B23D51/02 , B23D51/16 , B23Q5/027 , F16H21/50 , F16H23/00
CPC分类号： B23Q5/027 , B23D49/162 , B23D51/02 , B23D51/16 , F16H21/50 , F16H23/00 , B25D2217/0088
摘要： The reciprocating saw incorporates a counterbalanced reciprocating drive having a jackshaft on which primary and secondary wobble plates are mounted. The wobble plates drive a reciprocating saw spindle and a concentric counterweight in opposite directions to cancel out the induced vibrations. The spindle reciprocates in a bearing sleeve having a slot through which the primary wobble arm projects to drive the spindle. The primary wobble arm projects through a longitudinal slot in the spindle and engages the opposite side of the spindle so the spindle cannot rotate as it reciprocates. The counterweight slides on the outside of the sleeve and has a slot which slides over the primary arm. The secondary arm drives the counterweight. The arms are out of alignment to permit their strokes to overlap without collision. The wobble plates are angled out of 180.degree. so the spindle and counterbalance reverse at the same time. The cutting stroke and speed are increased and vibration is insignificant. The spindle drive has utility apart from the counterbalanced drive.
摘要翻译：往复锯具有平衡往复运动，该往复运动具有安装有主摆轮和次摆盘的千斤顶。摆盘在相反的方向上驱动一个往复式的主轴和一个同心配重，以抵消感应的振动。主轴在具有槽的轴承套筒中往复运动，主摇摆臂通过该槽突出以驱动主轴。主摆动臂通过主轴中的纵向狭槽突出并与主轴的相对侧接合，使得主轴在其往复运动时不能旋转。配重在套筒的外侧滑动并且具有在主臂上滑动的槽。辅助臂驱动配重。手臂不对齐，以允许他们的笔划重叠而没有碰撞。摆盘在180度以内倾斜，主轴和平衡锤同时反转。切割行程和速度增加，振动微不足道。主轴驱动器具有除平衡驱动器之外的功能。

10. 发明授权

US5025562A Counterbalanced reciprocating mechanism 失效
标题翻译：平衡往复机构
公开(公告)号：US5025562A
公开(公告)日：1991-06-25
申请号：US541093
申请日：1990-06-20
申请人： Bernhard Palm
发明人： Bernhard Palm
IPC分类号： B23D49/16 , B23D51/16 , B23Q5/027 , B27B19/09 , F16H23/00
CPC分类号： F16H23/00 , B23D49/162 , B23D51/16 , B23Q5/027 , Y10T74/18336
摘要： The reciprocating saw incorporates a counterbalanced reciprocating drive having a jackshaft on which primary and secondary wobble plates are mounted. The wobble plates drive reciprocating saw spindle and a concentric counterweight in opposite directions to cancel out the induced vibrations. The spindle reciprocates in a bearing sleeve having a slot through which the primary wobble arm projects to drive the spindle. The counterweight slides on the outside of the sleeve and has a slot which slides over the primary arm. The secondary arm drives the counterweight. The arms are out of alignment to permit their strokes to overlap without collision. The wobble plates are angled out of 180.degree. so the spindle and counterbalance reverse at the same time. The cutting stroke and speed are increased and vibration is insignificant. The drive has many other uses.
摘要翻译：往复锯具有平衡往复运动，该往复运动具有安装有主摆轮和次摆盘的千斤顶。摆盘在相反的方向上驱动往复式主轴和同心配重以抵消感应振动。主轴在具有槽的轴承套筒中往复运动，主摇摆臂通过该槽突出以驱动主轴。配重在套筒的外侧滑动并且具有在主臂上滑动的槽。辅助臂驱动配重。手臂不对齐，以允许他们的笔划重叠而没有碰撞。摆盘在180度以内倾斜，主轴和平衡锤同时反转。切割行程和速度增加，振动微不足道。该驱动器有许多其他用途。

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