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1. 发明授权

US11203130B2 Safety device for a bandsaw 有权
公开(公告)号：US11203130B2
公开(公告)日：2021-12-21
申请号：US16754421
申请日：2018-10-09
申请人： AUMATECH
发明人： Ronan Vaucher , Pierre Even
IPC分类号： B27G19/06 , B27B13/14
摘要： A safety device for a bandsaw includes a frame and a pair of jaws rotatably mounted thereon. The frame is mounted on the framework of the saw with the jaws on either side of the blade. An actuating rod is slidably mounted on the frame. A resilient return member constrains the sliding and a two-way transmission transforms it into a rotation of the pair of jaws. An electromagnetic actuator is rigidly connected to the frame and a retaining member is rigidly connected to the actuator. The rod has a receiving portion which engages with the retaining member when the rod is in a first position relative to the frame. The transmission is arranged so that the jaws are separated from one another when the rod is in the first position.

2. 发明授权

US10865941B2 Safety system and method for power tools 有权
公开(公告)号：US10865941B2
公开(公告)日：2020-12-15
申请号：US16196317
申请日：2018-11-20
申请人： Dennis E. Lewis
发明人： Dennis E. Lewis
IPC分类号： F16P3/12 , H02K7/14 , H02K11/28 , H02K11/26 , B27G21/00 , B27B5/38 , B27G19/02 , B27G19/06 , B27B13/14
CPC分类号： F16P3/12 , H02K7/14 , H02K11/26 , H02K11/28 , B27B5/38 , B27B13/14 , B27G19/02 , B27G19/06 , B27G21/00
摘要： A safety system for a power tool having a motor and a cutting tool driven by the motor includes a control device configured to detect a direct contact of a conductive material with the cutting tool, the direct contact of the conductive material with the cutting tool defining a contact event, and a braking device movable between a retracted position and an engaged position. The control device is configured to interrupt electrical power to the motor and control the braking device to the engaged position when the contact event is detected.

3. 发明申请

US20200254543A1 PORTABLE BAND SAW WITH CHIP VENT AND TIRE BRUSH 审中-公开
公开(公告)号：US20200254543A1
公开(公告)日：2020-08-13
申请号：US16860507
申请日：2020-04-28
申请人： MILWAUKEE ELECTRIC TOOL CORPORATION
发明人： Ryan J. Denissen
IPC分类号： B23D53/12 , B27G19/06 , B23D59/00 , B23D55/02
摘要： A hand-held band saw has a housing having an opening defining a cut zone. A first wheel and a second wheel are supported by the housing. The first and second wheels define a blade support portion configured to support a continuous blade to be driven through the cut zone. A handle extends from the housing, the handle having a grip portion. A blade guard is coupled to the housing and configured to move between open and closed positions with respect to the housing. The blade guard is configured to cover the blade support portion in the closed position. A chip vent is configured to provide an outlet for workpiece debris formed during a cutting operation, and a tire brush is configured to engage at least one of the first or second wheels to remove workpiece debris from the at least one of the first or second wheels.

4. 发明授权

US10603808B2 Productivity enhancement for band saw 有权
公开(公告)号：US10603808B2
公开(公告)日：2020-03-31
申请号：US15506914
申请日：2015-08-26
申请人： KANDO INNOVATION LIMITED , Keith Blenkinsopp , Donald Michael Oxley , Winston Duang Wickham , Jonathan Tee Wrigley
发明人： Keith Blenkinsopp , Donald Michael Oxley , Winston Duang Wickham , Jonathan Tee Wrigley
IPC分类号： B26D7/24 , B27B13/14 , B27G19/06 , B27B5/38 , B27G19/02 , F16P3/14 , H04N13/239
摘要： Machine vision apparatus tracks a distinctive object in relation to a hazardous location on a work surface of a modified band saw in two, three, or four (3-D+T) dimensions, and calculates whether to send an “immediate shut-down signal” to the band saw. Cameras and an image processor are mounted on the band saw. The signal causes an integrated blade-arresting or stopping mechanism to immediately shift the idler wheel, removing blade tension and disconnecting the blade which is then braked to a complete, safe stop before an approaching blue-gloved hand can touch the blade.

5. 发明申请

US20180345390A1 WORKPIECE GUARD AND BLADE GUARD FOR BAND SAW 审中-公开
公开(公告)号：US20180345390A1
公开(公告)日：2018-12-06
申请号：US16102410
申请日：2018-08-13
申请人： MILWAUKEE ELECTRIC TOOL CORPORATION
发明人： Jeffrey Holly , Jeffrey M. Wackwitz , Scott D. Bublitz , Steven W. Hyma , Kurt Limberg , John G. Marx , Ryan J. Denissen , John S. Scott , Richard J. LaSota
IPC分类号： B23D53/12 , B27G19/06 , B23D59/00 , B23D55/02
CPC分类号： B23D53/12 , B23D55/02 , B23D59/006 , B27G19/06 , Y10T83/613 , Y10T83/619
摘要： A hand-held band saw has a handle for grasping the band saw, a motor, a drive wheel driven by the motor, a driven wheel and a continuous blade disposed about the drive wheel and the driven wheel. A portion of the continuous blade is positioned in a cut zone to perform a cutting operation. A workpiece guard is spaced from the portion of the continuous blade and positioned between the portion of the continuous blade and the handle for limiting movement of the workpiece after the cutting operation.

6. 发明授权

US09969014B2 Power equipment with detection and reaction systems 有权
公开(公告)号：US09969014B2
公开(公告)日：2018-05-15
申请号：US15357928
申请日：2016-11-21
申请人： SD3, LLC
发明人： Stephen F. Gass
IPC分类号： B26D7/24 , B23D59/00 , F16P3/12 , B23D47/02 , B23D47/08 , B27B5/38 , B27B13/14 , B27G19/00 , B27G19/02 , F16P3/14 , B27G19/06
CPC分类号： B26D7/24 , B23D47/025 , B23D47/08 , B23D59/001 , B27B5/38 , B27B13/14 , B27G19/00 , B27G19/02 , B27G19/06 , F16P3/12 , F16P3/14 , F16P3/148 , G05B9/02 , Y10S83/01 , Y10T83/04 , Y10T83/081 , Y10T83/088 , Y10T83/089 , Y10T83/091 , Y10T83/141 , Y10T83/162 , Y10T83/175 , Y10T83/178 , Y10T83/541 , Y10T83/613 , Y10T83/7693 , Y10T83/7697 , Y10T83/7726 , Y10T83/7734 , Y10T83/7788 , Y10T83/85 , Y10T83/8773
摘要： Woodworking machines and safety methods for use with those machines are disclosed. The machines include a detection system adapted to detect one or more dangerous conditions and a reaction system associated with the detection system. The reaction system can include an explosive to trigger the system, and also can be configured to retract a cutting tool at least partially away from a cutting region upon detection of a dangerous condition by the detection system.

7. 发明授权

US09878380B2 Table saw throat plates and table saws including the same 有权
公开(公告)号：US09878380B2
公开(公告)日：2018-01-30
申请号：US15362388
申请日：2016-11-28
申请人： SD3, LLC
发明人： Stephen F. Gass , J. David Fulmer , David A. Fanning
IPC分类号： B27B27/00 , B27B5/29 , B23D47/02 , B23D47/08 , B23D59/00 , B27B5/38 , B27B13/14 , B27G19/00 , B27G19/02 , F16P3/12 , F16P3/14 , B26D7/24 , B27G19/06
CPC分类号： B26D7/24 , B23D47/025 , B23D47/08 , B23D59/001 , B27B5/38 , B27B13/14 , B27G19/00 , B27G19/02 , B27G19/06 , F16P3/12 , F16P3/14 , F16P3/148 , G05B9/02 , Y10S83/01 , Y10T83/04 , Y10T83/081 , Y10T83/088 , Y10T83/089 , Y10T83/091 , Y10T83/141 , Y10T83/162 , Y10T83/175 , Y10T83/178 , Y10T83/541 , Y10T83/613 , Y10T83/7693 , Y10T83/7697 , Y10T83/7726 , Y10T83/7734 , Y10T83/7788 , Y10T83/85 , Y10T83/8773
摘要： Throat plates for table saws and table saws are disclosed. In some embodiments, the throat plates and/or saws have at least one securement mechanism to secure and prevent inadvertent removal of the throat plate from the throat of the saw. In some embodiments, at least one of the securement mechanisms also provides a height adjustment mechanism and/or prevents vertical removal of the throat plate. In some embodiments, the throat plate has an accessory mounting port that provides a portal for accessories, including safety accessories, to extend through the plate from beneath the table of the saw. In some embodiments, the port extends from the plate's outer perimeter to divide the plate's rear end portion into a pair of spaced-apart members. In some embodiments, these members are independently secured to the table saw and retained apart from each other by one or more of the securement mechanisms.

8. 发明授权

US09868224B2 Band saw machine with disk brake device 有权
公开(公告)号：US09868224B2
公开(公告)日：2018-01-16
申请号：US14681070
申请日：2015-04-07
申请人： KING SAW MACHINERY LTD.
发明人： Chin-Feng Chang
IPC分类号： B27B13/14 , B23D59/00 , B27G19/06
CPC分类号： B27B13/14 , B23D59/001 , B27G19/06
摘要： A band saw machine with a disk brake device is provided. A lower gravity wheel is provided with a disk which is turned synchronously. The circumferential edge of the disk is provided with a brake seat. A brake wire provided at the bottom of the band saw machine is connected with a brake lever which can be pivoted. The upper end of the brake lever is in contact with a micro switch seat. Thereby, when the brake lever is pressed, the upper end of the brake lever is away from the micro switch seat, such that the band saw machine is cut off the power supply to stop running. The brake wire links the crank of the brake seat. The brake seat brings a brake action to the disk, such that the lower gravity wheel stops running so as to stop the operation of the saw band of the band saw machine. The present invention provides practical effects of emergent stopping and safety.

9. 发明授权

US09486867B2 Chainsaw 有权
标题翻译：链锯
公开(公告)号：US09486867B2
公开(公告)日：2016-11-08
申请号：US14372957
申请日：2012-12-25
申请人： HITACHI KOKI CO., LTD.
发明人： Yasuo Etou , Satoru Matsuno , Kouji Sagawa , Miyoji Onose , Yasutaka Shimizu , Ai Nakayama
IPC分类号： B23D57/02 , B27G19/06 , B27B17/08
CPC分类号： B23D57/023 , B27B17/083
摘要： A chainsaw having improved cutting workability is provided. A chainsaw is used to cut an object to be worked by a saw chain. A chainsaw main body is provided with an electric motor and a sprocket, and a guide bar around which the saw chain is wound is provided on the chainsaw main body. The guide bar is attached to the chainsaw main body by a screw member serving as an attaching member. A load sensor detects whether or not the guide bar is attached to the chainsaw main body. Rotation of the saw chain is prohibited based upon a signal from the load sensor when the guide bar is not attached to the chainsaw main body.
摘要翻译：提供了具有改进的切割加工性的链锯。锯链用于切割由锯链加工的物体。链锯主体设置有电动马达和链轮，在链锯主体上设置有围绕其缠绕锯链的导向杆。导杆通过用作安装构件的螺纹构件附接到链锯主体。负载传感器检测导杆是否连接在电锯主体上。当导杆未连接到电锯主体时，基于负载传感器的信号禁止锯链的旋转。

10. 发明授权

US4811487A Motor-driven chain saw braking/locking apparatus 失效
标题翻译：电动链锯制动/锁定装置
公开(公告)号：US4811487A
公开(公告)日：1989-03-14
申请号：US681051
申请日：1984-12-13
申请人： Kazuyuki Takahashi , Yasuhiro Oe , Etushi Yamamoto
发明人： Kazuyuki Takahashi , Yasuhiro Oe , Etushi Yamamoto
IPC分类号： B27G19/06 , B27B17/08 , F16D59/00
CPC分类号： B27B17/083 , F16D59/00
摘要： An electric motor driven chain saw braking/locking apparatus with which electric current flow to the motor of the saw is halted simultaneously with braking of the motor when a hand guard is tilted forwardly. A belt brake device and a brake switching device are linked with the hand guard, which is pivotably mounted to the housing in front of a front handle, such that the braking force is applied at substantial of the same time that the switch is opened. A brake drum of the brake device is fixed to a motor drive shaft of the motor at a position where it receives cooling air from the motor. A lock mechanism is provided in the hand guard whereby, in an emergency, a braking operation with the hand guard can be easily and quickly performed.
摘要翻译：当手护罩向前倾斜时，电动机驱动的链锯制动/锁定装置与电动机的制动同时停止与电动机的电流的流动。皮带制动装置和制动开关装置与手把相连，该手护罩在前手柄的前方可枢转地安装在壳体上，使得制动力在开关打开的大致同时施加。制动装置的制动鼓在从马达接收冷却空气的位置处固定到马达的马达驱动轴上。在护手中设置有锁定机构，由此，在紧急情况下，可以容易且快速地执行与护手的制动操作。

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