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1. 发明授权

US08316747B2 Table saw riving knife 有权
标题翻译：桌锯刀
公开(公告)号：US08316747B2
公开(公告)日：2012-11-27
申请号：US12774849
申请日：2010-05-06
申请人： Ravinder Voruganti , Ralph Dammertz , Thomas Siwek , Srinath Srinivas , Daniel J. Williams , Stephen M. Oshgan
发明人： Ravinder Voruganti , Ralph Dammertz , Thomas Siwek , Srinath Srinivas , Daniel J. Williams , Stephen M. Oshgan
IPC分类号： B23D45/06 , B23D47/00 , B27G19/08
CPC分类号： B27G19/02 , Y10T83/081 , Y10T83/089 , Y10T83/2077 , Y10T83/7726 , Y10T83/773 , Y10T83/7734 , Y10T83/8749 , Y10T292/696
摘要： A power tool in one embodiment is a table saw which includes a swing arm assembly movable along a swing path, an actuator configured to force the swing arm assembly away from a first swing arm position and toward a second swing arm position, and a riving knife positioned outwardly of the swing arm assembly when the swing arm assembly is in the first swing arm position, the riving knife including a channel with a first end portion and a second end portion, a first curved channel portion with a first center of curvature and located between the first end portion and the second end portion, and a second curved channel portion with a second center of curvature and located between the first end portion and the second end portion, wherein the first center of curvature is not coincident with the second center of curvature.
摘要翻译：在一个实施例中的电动工具是台锯，其包括可沿着摆动路径移动的摆臂组件，致动器，其构造成迫使摆臂组件远离第一摆臂位置并朝向第二摆臂位置;以及导刀当摆臂组件处于第一摆臂位置时，位于摆臂组件的外侧，该切刀包括具有第一端部和第二端部的通道，具有第一曲率中心的第一弯曲通道部分在第一端部和第二端部之间，第二弯曲通道部分具有第二中心曲率并且位于第一端部和第二端部之间，其中第一曲率中心与第二中心的第二中心不一致曲率。

2. 发明授权

US08297159B2 Table saw with dropping blade 有权
标题翻译：台锯带落叶
公开(公告)号：US08297159B2
公开(公告)日：2012-10-30
申请号：US12548347
申请日：2009-08-26
申请人： Ravinder Voruganti , Ralph Dammertz , Thomas Siwek , Srinath Srinivas , Daniel J. Williams , Stephen M. Oshgan
发明人： Ravinder Voruganti , Ralph Dammertz , Thomas Siwek , Srinath Srinivas , Daniel J. Williams , Stephen M. Oshgan
IPC分类号： B23D45/06 , B05B15/02 , B26D7/22 , B27G19/02
CPC分类号： B27G19/02 , Y10T83/081 , Y10T83/089 , Y10T83/2077 , Y10T83/7726 , Y10T83/773 , Y10T83/7734 , Y10T83/8749 , Y10T292/696
摘要： A power tool in one embodiment is a table saw which includes a latch hold mechanism, a swing arm movable along a swing arm path between a first position adjacent the latch hold mechanism and a second position spaced apart from the latch hold mechanism, a latch movable between a first position whereat the swing arm is maintained at the first position and a second position whereat the swing arm is not maintained at the first position, an actuating device configured to transfer a force to the swing arm when the swing arm is maintained at the first position, and a control system configured to control the actuating device to transfer a force to the swing arm when the swing arm is maintained at the first position sufficient to move the latch from the first position to the second position.
摘要翻译：在一个实施例中的电动工具是台锯，其包括闩锁保持机构，摆臂可沿着摆臂路径移动，在与闩锁保持机构相邻的第一位置和与闩锁保持机构间隔开的第二位置之间可移动在所述摆臂保持在所述第一位置的第一位置和所述摆臂未保持在所述第一位置的第二位置之间，构造成当所述摆臂保持在所述第一位置时将所述力传递到所述摆臂的致动装置第一位置和控制系统，其配置成当所述摆臂保持在足以使所述闩锁从所述第一位置移动到所述第二位置的第一位置时，控制所述致动装置将力传递到所述摆臂。

3. 发明申请

US20110048199A1 TABLE SAW RIVING KNIFE 有权
标题翻译：表锯生活刀
公开(公告)号：US20110048199A1
公开(公告)日：2011-03-03
申请号：US12774849
申请日：2010-05-06
申请人： Ravinder Voruganti , Ralph Dammertz , Thomas Siwek , Srinath Srinivas , Daniel J. Williams , Stephen M. Oshgan
发明人： Ravinder Voruganti , Ralph Dammertz , Thomas Siwek , Srinath Srinivas , Daniel J. Williams , Stephen M. Oshgan
IPC分类号： B23D45/06 , B27G19/08 , B23D47/00
CPC分类号： B27G19/02 , Y10T83/081 , Y10T83/089 , Y10T83/2077 , Y10T83/7726 , Y10T83/773 , Y10T83/7734 , Y10T83/8749 , Y10T292/696
摘要： A power tool in one embodiment is a table saw which includes a swing arm assembly movable along a swing path, an actuator configured to force the swing arm assembly away from a first swing arm position and toward a second swing arm position, and a riving knife positioned outwardly of the swing arm assembly when the swing arm assembly is in the first swing arm position, the riving knife including a channel with a first end portion and a second end portion, a first curved channel portion with a first center of curvature and located between the first end portion and the second end portion, and a second curved channel portion with a second center of curvature and located between the first end portion and the second end portion, wherein the first center of curvature is not coincident with the second center of curvature.
摘要翻译：在一个实施例中的电动工具是台锯，其包括可沿着摆动路径移动的摆臂组件，致动器，其构造成迫使摆臂组件远离第一摆臂位置并朝向第二摆臂位置;以及导刀当摆臂组件处于第一摆臂位置时，位于摆臂组件的外侧，该切刀包括具有第一端部和第二端部的通道，具有第一曲率中心的第一弯曲通道部分在第一端部和第二端部之间，第二弯曲通道部分具有第二中心曲率并且位于第一端部和第二端部之间，其中第一曲率中心与第二中心的第二中心不一致曲率。

4. 发明申请

US20110048196A1 TABLE SAW WITH DROPPING BLADE 有权
标题翻译：表锯与刮刀
公开(公告)号：US20110048196A1
公开(公告)日：2011-03-03
申请号：US12548347
申请日：2009-08-26
申请人： Ravinder Voruganti , Ralph Dammertz , Thomas Siwek , Srinath Srinivas , Daniel J. Williams , Stephen M. Oshgan
发明人： Ravinder Voruganti , Ralph Dammertz , Thomas Siwek , Srinath Srinivas , Daniel J. Williams , Stephen M. Oshgan
IPC分类号： B23D45/06 , E05B15/02 , B26D7/22 , B27G19/02
CPC分类号： B27G19/02 , Y10T83/081 , Y10T83/089 , Y10T83/2077 , Y10T83/7726 , Y10T83/773 , Y10T83/7734 , Y10T83/8749 , Y10T292/696
摘要： A power tool in one embodiment is a table saw which includes a latch hold mechanism, a swing arm movable along a swing arm path between a first position adjacent the latch hold mechanism and a second position spaced apart from the latch hold mechanism, a latch movable between a first position whereat the swing arm is maintained at the first position and a second position whereat the swing arm is not maintained at the first position, an actuating device configured to transfer a force to the swing arm when the swing arm is maintained at the first position, and a control system configured to control the actuating device to transfer a force to the swing arm when the swing arm is maintained at the first position sufficient to move the latch from the first position to the second position.
摘要翻译：在一个实施例中的电动工具是台锯，其包括闩锁保持机构，摆臂可沿着摆臂路径移动，在与闩锁保持机构相邻的第一位置和与闩锁保持机构间隔开的第二位置之间可移动在所述摆臂保持在所述第一位置的第一位置和所述摆臂未保持在所述第一位置的第二位置之间，构造成当所述摆臂保持在所述第一位置时将所述力传递到所述摆臂的致动装置第一位置和控制系统，其配置成当所述摆臂保持在足以使所述闩锁从所述第一位置移动到所述第二位置的第一位置时，控制所述致动装置将力传递到所述摆臂。

5. 发明申请

US20070113715A1 Modular guard system for a power saw 有权
标题翻译：电锯的模块化防护系统
公开(公告)号：US20070113715A1
公开(公告)日：2007-05-24
申请号：US11605702
申请日：2006-11-29
申请人： Jeremy Burke , Mark Talesky , Peter Domeny , Ravinder Voruganti , Adam Thomas
发明人： Jeremy Burke , Mark Talesky , Peter Domeny , Ravinder Voruganti , Adam Thomas
IPC分类号： B27G19/02 , B27G19/08
CPC分类号： B27G19/02 , B23D47/04 , B27G19/08 , Y10T83/2077 , Y10T83/773 , Y10T83/7734 , Y10T83/872
摘要： A preferred embodiment of the present invention is directed to a modular saw guard system for a power saw of the type which has a table top, a rotatable circular saw blade, the table top having an opening through which the saw blade can extend, the system comprising a riving knife mounted to the saw rearwardly of the blade and having a top surface and at least one aperture near the top surface, a blade guard and kickback prevention mechanism that is releasably mounted to the riving knife, the mechanism comprising a mounting channel configured to fit on and be releasably attached to the riving knife, the blade guard portion being pivotally attached to the mounting channel, the kickback prevention portion being pivotally attached to the mounting channel; and a lever mechanism for holding the mounting channel to the riving knife and for releasing the mounting channel for removal therefrom, the lever mechanism including a movable pin member for engaging the aperture of the riving knife.
摘要翻译：本发明的一个优选实施例涉及一种用于动力锯的模块化的锯片防护系统，该系统具有桌面，可旋转的圆锯片，桌面具有锯片可以延伸穿过的开口，系统其包括安装在所述刀片的后方的锯片，并且具有顶表面和靠近所述顶表面的至少一个孔口，所述刀片防护件和反冲防止机构可释放地安装到所述切刀上，所述机构包括安装通道，为了装配并且可释放地附接到切刀，刀片防护部分枢转地附接到安装通道，反射防止部分枢转地附接到安装通道; 以及杠杆机构，其用于将安装通道保持在分切刀上并用于释放用于移除的安装通道，所述杠杆机构包括用于接合所述切刀的孔的可动销构件。

6. 发明授权

US07600456B2 Modular guard system for a power saw 有权
标题翻译：电锯的模块化防护系统
公开(公告)号：US07600456B2
公开(公告)日：2009-10-13
申请号：US11605702
申请日：2006-11-29
申请人： Jeremy J. Burke , Mark S. Talesky , Peter Domeny , Ravinder Voruganti , Adam S. Thomas
发明人： Jeremy J. Burke , Mark S. Talesky , Peter Domeny , Ravinder Voruganti , Adam S. Thomas
IPC分类号： B27G19/08
CPC分类号： B27G19/02 , B23D47/04 , B27G19/08 , Y10T83/2077 , Y10T83/773 , Y10T83/7734 , Y10T83/872
摘要： A preferred embodiment of the present invention is directed to a modular saw guard system for a power saw of the type which has a table top, a rotatable circular saw blade, the table top having an opening through which the saw blade can extend, the system comprising a riving knife mounted to the saw rearwardly of the blade and having a top surface and at least one aperture near the top surface, a blade guard and kickback prevention mechanism that is releasably mounted to the riving knife, the mechanism comprising a mounting channel configured to fit on and be releasably attached to the riving knife, the blade guard portion being pivotally attached to the mounting channel, the kickback prevention portion being pivotally attached to the mounting channel; and a lever mechanism for holding the mounting channel to the riving knife and for releasing the mounting channel for removal therefrom, the lever mechanism including a movable pin member for engaging the aperture of the riving knife.
摘要翻译：本发明的一个优选实施例涉及一种用于动力锯的模块化的锯片防护系统，该系统具有桌面，可旋转的圆锯片，桌面具有锯片可以延伸穿过的开口，系统其包括安装在所述刀片的后方的锯片，并且具有顶表面和靠近所述顶表面的至少一个孔口，所述刀片防护件和反冲防止机构可释放地安装到所述切刀上，所述机构包括安装通道，为了装配并且可释放地附接到切刀，刀片防护部分枢转地附接到安装通道，反射防止部分枢转地附接到安装通道; 以及杠杆机构，其用于将安装通道保持在分切刀上并用于释放用于移除的安装通道，所述杠杆机构包括用于接合所述切刀的孔的可动销构件。

7. 发明申请

US20070113714A1 Modular guard system and apparatus for a power saw 有权
标题翻译：电动锯的模块化防护系统和设备
公开(公告)号：US20070113714A1
公开(公告)日：2007-05-24
申请号：US11284214
申请日：2005-11-21
申请人： Jeremy Burke , Mark Talesky , Peter Domeny , Ravinder Voruganti , Brian Taylor , Adam Thomas
发明人： Jeremy Burke , Mark Talesky , Peter Domeny , Ravinder Voruganti , Brian Taylor , Adam Thomas
IPC分类号： B27G19/02 , B27G19/08
CPC分类号： B27G19/08 , B27G19/02 , Y10T83/2077 , Y10T83/732 , Y10T83/773 , Y10T83/7734 , Y10T83/828 , Y10T83/872
摘要： A preferred embodiment of the present invention is directed to a modular saw guard system for a power saw of the type which has a table top, a rotatable circular saw blade that is vertically adjustable relative to the table top, the table top having an opening through which the saw blade can extend, the blade being configured to cut a work piece as the work piece is moved forwardly from a forward position to a rearward position, wherein the system comprises a riving knife mechanism releasably mounted to the saw rearwardly of the blade, and being configured to be adjustable between retracted and extended positions relative to the blade, a blade guard mechanism that is releasably mounted to the riving knife mechanism when the riving knife mechanism is at least in its extended position, the blade guard mechanism generally covering the blade and being adjustable to enable a work piece to be moved into cutting position by the blade and a kickback prevention mechanism that is releasably mounted to the riving knife mechanism when the riving knife mechanism is at least in its extended position, the kickback prevention mechanism being configured to engage a work piece as it is being cut by the blade and apply resistance to prevent the work piece from being expelled in the reverse direction.
摘要翻译：本发明的优选实施例涉及一种用于动力锯的模块化的防护罩系统，该系统具有桌面，相对于台面可垂直调节的可旋转的圆锯片，桌面具有开口所述锯片可以延伸，所述刀片构造成当所述工件从前部位置向前移动到后方位置时，切割工件，其中所述系统包括可拆卸地安装在所述刀片的后方的所述锯的切刀机构，并且构造成在相对于所述叶片的缩回位置和延伸位置之间是可调节的;当所述切刀机构至少处于其延伸位置时，所述叶片防护机构可释放地安装到所述切刀机构，所述叶片防护机构通常覆盖所述叶片并且是可调节的，以使得工件能够被刀片移动到切割位置，并且可回弹防止机构可释放地移动当所述切刀机构至少处于其延伸位置时，所述反冲防止机构被构造成当所述工件被所述刀片切割时接合工件，并施加阻力以防止所述工件被排出反方向。

8. 发明授权

US07437981B2 Modular guard system and apparatus for a power saw 有权
标题翻译：电动锯的模块化防护系统和设备
公开(公告)号：US07437981B2
公开(公告)日：2008-10-21
申请号：US11284214
申请日：2005-11-21
申请人： Jeremy J. Burke , Mark S. Talesky , Peter Domeny , Ravinder Voruganti , Brian Taylor , Adam S. Thomas
发明人： Jeremy J. Burke , Mark S. Talesky , Peter Domeny , Ravinder Voruganti , Brian Taylor , Adam S. Thomas
IPC分类号： B27G19/08
CPC分类号： B27G19/08 , B27G19/02 , Y10T83/2077 , Y10T83/732 , Y10T83/773 , Y10T83/7734 , Y10T83/828 , Y10T83/872
摘要： A preferred embodiment of the present invention is directed to a modular saw guard system for a power saw of the type which has a table top, a rotatable circular saw blade that is vertically adjustable relative to the table top, the table top having an opening through which the saw blade can extend, the blade being configured to cut a work piece as the work piece is moved forwardly from a forward position to a rearward position, wherein the system comprises a riving knife mechanism releasably mounted to the saw rearwardly of the blade, a blade guard mechanism that is releasably mounted to the riving knife mechanism when the riving knife mechanism is at least in its extended position, and a kickback prevention mechanism that is releasably mounted to the riving knife mechanism.
摘要翻译：本发明的优选实施例涉及一种用于动力锯的模块化的防护罩系统，该系统具有桌面，相对于台面可垂直调节的可旋转的圆锯片，桌面具有开口所述锯片可以延伸，所述刀片构造成当所述工件从前部位置向前移动到后方位置时，切割工件，其中所述系统包括可拆卸地安装在所述刀片的后方的所述锯的切刀机构，当所述切刀机构至少在其延伸位置时可拆卸地安装到所述切刀机构的刀片防护机构，以及可拆卸地安装到所述切刀机构的防反弹机构。

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