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    Detection systems for power tools with active injury mitigation technology
    72.
    发明授权
    Detection systems for power tools with active injury mitigation technology 有权

    公开(公告)号：US11098849B2

    公开(公告)日：2021-08-24

    申请号：US16304539

    申请日：2017-05-25

    申请人： SD3, LLC

    发明人： Stephen F. Gass ,  John P. Nenadic ,  Louis R. Slamka

    IPC分类号： F16P3/14 ,  H01R39/64 ,  B26D7/22 ,  B32B9/00 ,  B23D47/12 ,  B27G19/00 ,  H01R39/20

    摘要： Power tools with conductive couplings used with active injury mitigation technology are disclosed. Conductive couplings are particularly relevant to table saws, hand-held circular saws, track saws, miter saws, and band saws with active injury mitigation technology. Conductive couplings provide a mechanism through which an electrical signal can be coupled or imparted to a blade, and then monitored for changes indicative of human contact with the blade. An exemplary conductive coupling includes a brush that establishes an electrical connection with a moving part of a power tool, and the brush maintains contact with the moving part of the power tool during at least 40 hours of cumulative time when the motor is spinning the arbor and blade without an interruption in the electrical connection sufficient to trigger the reaction system. A conductive coupling may be two-sided compliant. A conductive coupling may connect to a motor shaft to minimize electrical noise.

    Blade guard with dust collection
    74.
    发明授权
    Blade guard with dust collection 有权
    刀片防护罩采集灰尘

    公开(公告)号：US09586335B2

    公开(公告)日：2017-03-07

    申请号：US12931208

    申请日：2011-01-27

    申请人： Hollan A. Tsuda ,  John P. Nenadic ,  Paul H. Stasiewicz

    发明人： Hollan A. Tsuda ,  John P. Nenadic ,  Paul H. Stasiewicz

    IPC分类号： B27G19/02 ,  B23D59/00 ,  B23Q11/00

    CPC分类号： B27G19/02 ,  B23D59/006 ,  B23Q11/0042 ,  B23Q11/0046 ,  Y02P70/171 ,  Y10T83/207 ,  Y10T83/2077 ,  Y10T83/2198 ,  Y10T83/2209

    摘要： Blade guards for power tools such as table saws are disclosed. The blade guard may include a shroud that pivots up and down to allow a workpiece to move past the guard, a dust collection channel, and a pivot joint which maintains the dust collection channel in an operable condition as the shroud pivots up or down. The guard may also include a wood stop and anti-kickback pawls. The blade guard may be part of a dust collection system and may be connected to a vacuum system by a conduit such as a flexible hose.

    摘要翻译： 披露了诸如台锯等电动工具的防护罩。 刀片防护罩可以包括上下枢转的护罩，以允许工件移动通过防护件，灰尘收集通道和枢转接头，当护罩向上或向下枢转时，其将灰尘收集通道保持在可操作的状态。 警卫还可以包括一个木制止回和反扣爪。 刀片防护罩可以是灰尘收集系统的一部分，并且可以通过诸如柔性软管的导管连接到真空系统。

    BLADE ELEVATION MECHANISMS AND ANTI-BACKDRIVE MECHANISMS FOR TABLE SAWS
    76.
    发明申请
    BLADE ELEVATION MECHANISMS AND ANTI-BACKDRIVE MECHANISMS FOR TABLE SAWS 审中-公开

    公开(公告)号：US20160082529A1

    公开(公告)日：2016-03-24

    申请号：US14860015

    申请日：2015-09-21

    申请人： SD3, LLC

    发明人： Stephen F. Gass ,  Paul H. Stasiewicz ,  James F.W. Wright

    IPC分类号： B23D45/06

    CPC分类号： B23D45/068

    摘要： Elevation mechanisms for table saws and anti-backdrive mechanisms for use in elevation mechanisms for table saws are disclosed. The anti-backdrive mechanisms typically include three sub-assemblies: an input assembly, an output assembly, and a fixed assembly. The anti-backdrive mechanisms prevent a torque related to the output assembly from changing the blade elevation. For example, the weight of the blade and the structure supporting the blade is prevented from backdriving the elevation mechanism and allowing the blade to drop.

    TABLE SAW INSERT WITH LOCK-DOWN MECHANISM
    78.
    发明申请
    TABLE SAW INSERT WITH LOCK-DOWN MECHANISM 审中-公开
    具有锁定机构的表插入

    公开(公告)号：US20150321271A1

    公开(公告)日：2015-11-12

    申请号：US14721182

    申请日：2015-05-26

    申请人： SD3, LLC

    发明人： John P. Nenadic ,  James F.W. Wright ,  Stephen F. Gass

    IPC分类号： B23D47/02 ,  B23D45/06

    CPC分类号： B23D47/025 ,  B23D45/06 ,  Y10T83/773

    摘要： Inserts for table saws are disclosed. The table inserts are equipped with a toolless locking mechanism that mechanically holds the insert in place and which allows for the installation and removal of the insert without the use of tools. The locking mechanism is easy to lock and unlock and yet robust enough to hold a zero-clearance insert in place.

    摘要翻译： 披露了台锯的刀片。 工作台插入件配备有无刀锁定机构，其将插入件机械地保持在适当位置，并且允许在不使用工具的情况下安装和移除插入件。 锁定机构易于锁定和解锁，并且足够坚固以将零间隙插入件保持在适当位置。

    EXTENSION RAILS FOR TABLE SAWS
    79.
    发明申请
    EXTENSION RAILS FOR TABLE SAWS 审中-公开
    表锯扩展轨

    公开(公告)号：US20150273723A1

    公开(公告)日：2015-10-01

    申请号：US14674875

    申请日：2015-03-31

    申请人： Stephen F. Gass ,  Steven D. McDaniel ,  David A. Fanning

    发明人： Stephen F. Gass ,  Steven D. McDaniel ,  David A. Fanning

    IPC分类号： B27B27/10 ,  B27B27/02

    CPC分类号： B27B27/10 ,  B23D47/025 ,  B27B27/02 ,  Y10T83/727

    摘要： Extension rails for table saws are disclosed. Some of the disclosed extension rails can be attached to a table saw without a user having to manipulate a lever or knob. Extension rails particularly relevant to portable table saws such as jobsite and bench-top table saws are disclosed, including extension rails that can provide 48″ or more of cutting capacity on jobsite and/or bench-top table saws. A method of attaching extension rails to a table saw is disclosed that does not require the use of a tool or the manipulation of a knob or clamp.

    摘要翻译： 公开了用于台锯的延伸轨道。 所公开的延伸轨道中的一些可以附接到台锯，而用户不必操纵杠杆或旋钮。 公开了与便携式台锯特别相关的延伸轨道，例如工地和台式台锯，包括可在现场和/或台式台锯上提供48“或更多切割能力的延伸轨道。 公开了一种将延伸轨道附接到台锯的方法，其不需要使用工具或操纵旋钮或夹具。