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公开(公告)号：US20190160644A1
公开(公告)日：2019-05-30
申请号：US16019508
申请日：2018-06-26
发明人： I-TSUNG WU , YI-WEI WEN , SHUN-YAO YANG
摘要： A pneumatic rotary tool generally includes a housing, an air motor, a rotatable valve, and a dial ring. The housing defines therein an air chamber for receiving compressed air and is furnished with a drive lug at one end and an air inlet at an opposite end, wherein the air inlet communicates with the air chamber. The air motor is disposed in the housing between the drive lug and the air chamber and has an output shaft connected to the drive lug. The rotatable valve is rotatably disposed in the housing between the air motor and the air chamber. The dial ring is rotatably mounted around the housing, close to the air inlet, and coupled to the rotatable valve by a tube therebetween to enable the air motor to be switched between a forward rotation mode and a reverse rotation mode.
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公开(公告)号：US20160075008A1
公开(公告)日：2016-03-17
申请号：US14527837
申请日：2014-10-30
发明人： I-Tsung Wu , Yi-Wei Wen , Meng-Jen Chiu
摘要： A pneumatic rotary tool includes a housing, a directional changeover mechanism, and a speed regulating mechanism. The housing includes a top body and a handle. The top body is fitted with a pneumatic motor. The handle defines a forward air channel, a reverse air channel, and an air supply passage. The air supply passage is controlled by a valve being operated by a trigger so that the air supply passage communicates with the forward and reverse air channels. The direction changeover mechanism is mounted in the top body along a transverse line and passes through the forward and reverse air channels for changing the rotational direction of the pneumatic motor. The speed regulating mechanism is mounted in the handle for adjusting the flow of compressed air entering the forward air channel. The tool can be operated conveniently to change the rotational direction and the output torque of the pneumatic motor.
摘要翻译： 气动旋转工具包括壳体，方向转换机构和速度调节机构。 壳体包括顶部主体和手柄。 顶部装有气动马达。 手柄限定前进空气通道，反向空气通道和空气供应通道。 空气供给通道由通过触发器操作的阀控制，使得供气通道与正向和反向空气通道连通。 方向切换机构沿着横向线安装在顶体中，并且通过正向和反向空气通道以改变气动马达的旋转方向。 速度调节机构安装在手柄中，用于调节进入前进气道的压缩空气流。 该工具可以方便地操作，以改变气动马达的旋转方向和输出扭矩。
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公开(公告)号：US20240139990A1
公开(公告)日：2024-05-02
申请号：US18236931
申请日：2023-08-22
发明人： I-TSUNG WU , CHIA-SHENG LIANG , YU-CHE LIN , WEN-CHIN CHEN
IPC分类号： B27F7/11
CPC分类号： B27F7/11
摘要： An internal rotor type nail drive device of electric nail gun, comprising a nailing rod and an internal rotor type rotary actuator that can output a specific rotation angle and can drive the nailing rod to move downward for nailing. Specifically, the rotary actuator comprises a stator and a rotor arranged inside the stator, even groups of electromagnetic mutual action components are configured in pairs between the stator and the rotor, to generate a tangential force to drive the rotor to rotate for a specific rotation angle, and to drive the nailing rod to move for a nailing stroke. The nailing stroke can be determined by a specific rotation angle. Thus, through the above configuration of the rotary actuator, the structure of the electric nail gun can be simplified, and the kinetic energy for nailing can be increased.
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公开(公告)号：US20220371168A1
公开(公告)日：2022-11-24
申请号：US17724032
申请日：2022-04-19
发明人： I-TSUNG WU , CHIA-SHENG LIANG , ZHEN-LIANG LIAO
IPC分类号： B25C1/04
摘要： An air-path structure of pneumatic a nail gun, formed inside a gun body containing high-pressure air, comprises a main air chamber, a firing valve air chamber and a time-delayed air chamber that continuously releases the high-pressure air to the atmosphere. The gun body is configured with a trigger valve and a slider valve. The inside of the trigger valve is formed with a safety-on air chamber and a safety-off air chamber. The trigger valve controls the high-pressure air inside the firing valve air chamber to be discharged to the atmosphere. The slider valve controls the high-pressure air inside the main air chamber flowing toward the firing valve air chamber, the time-delayed air chamber and the safety-off air chamber. Specifically, the safety-on air chamber is constantly communicated with the main air chamber and constantly contains high-pressure air, and the slider valve can control the high-pressure air inside the safety-off air chamber flowing into the time-delayed air chamber. In this way, the invention can improve the operating safety of conventional pneumatic nail guns.
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公开(公告)号：US20180354117A1
公开(公告)日：2018-12-13
申请号：US15997697
申请日：2018-06-05
发明人： I-TSUNG WU , YI-WEI WEN , SHUN-YAO YANG
摘要： The present invention provides a pneumatic hand tool with rotating impact kinetic energy comprising a pneumatic motor arranged inside a device case. The pneumatic motor is pivotally connected with a first axial bevel gear. An ending portion of the device case is pivotally connected with an impact power set. The impact power set is integrally formed to form a second axial bevel gear, and the second axial bevel gear and the first axial bevel gear are in mesh. The problem of abrasion of the conventional percussion power group improved during in the process of transmitting rotation force together with striking force is easily solved.
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公开(公告)号：US20230182276A1
公开(公告)日：2023-06-15
申请号：US17979720
申请日：2022-11-02
发明人： I-Tsung Wu , Chia-Sheng Liang , Zhen-Liang Liao , Wen-Chin Chen
CPC分类号： B25C1/06 , H02P7/29 , H02P7/292 , H02J7/0063 , B25C1/008
摘要： A nail drive method applied in an electric nail gun, in which a rotary actuator is driven to generate forward rotational kinetic energy for nailing. The rotary actuator has paired wire bundles and magnetic lines arranged in circumferential directions. The nail drive method comprises boosting a pre-loaded voltage of a battery to generate a peak voltage, and storing the electric charge generated by the peak voltage, and then releasing the peak voltage and its electric charge to the rotary actuator through a nailing signal, so that the wire bundles can generate a current to interact with the magnetic lines to generate a tangential force, so that the magnetic lines can drive the rotor to rotate for a specific angle, and the rotary actuator can directly generate a forward rotational kinetic energy for nailing. Thus, the energy conversion structure installed in the conventional electric nail gun can be omitted.
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公开(公告)号：US10421174B2
公开(公告)日：2019-09-24
申请号：US14527837
申请日：2014-10-30
发明人： I-Tsung Wu , Yi-Wei Wen , Meng-Jen Chiu
摘要： A pneumatic rotary tool includes a housing, a directional changeover mechanism, and a speed regulating mechanism. The housing includes a top body and a handle. The top body is fitted with a pneumatic motor. The handle defines a forward air channel, a reverse air channel, and an air supply passage. The air supply passage is controlled by a valve being operated by a trigger so that the air supply passage communicates with the forward and reverse air channels. The direction changeover mechanism is mounted in the top body along a transverse line and passes through the forward and reverse air channels for changing the rotational direction of the pneumatic motor. The speed regulating mechanism is mounted in the handle for adjusting the flow of compressed air entering the forward air channel. The tool can be operated conveniently to change the rotational direction and the output torque of the pneumatic motor.
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公开(公告)号：US10016884B2
公开(公告)日：2018-07-10
申请号：US14594780
申请日：2015-01-12
发明人： I-Tsung Wu , Hai-Lun Ma , Zhen-Liang Liao
IPC分类号： B25C1/04
摘要： A pneumatic nail gun operated in automatic actuation mode includes a gun body, a trigger valve, and a shuttle valve. The gun body defines therein a main chamber and is provided with a forward air conduit and a return air conduit. The forward air conduit provides a path for the pressurized air in the main chamber to force a valve stem of the shuttle valve to conduct a forward movement for a drive stroke. The return air conduit provides a path for the pressurized air in the cylinder to force the valve stem to conduct a return movement after the nail gun has completed the drive stroke. By depressing an actuating bar of the trigger valve a single time, the valve stem can be forced to conduct repeated forward and return movements, and thus the nail gun can conduct repeated drive strokes for stably striking a nail.
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公开(公告)号：US20240335930A1
公开(公告)日：2024-10-10
申请号：US18624369
申请日：2024-04-02
发明人： CHIA-SHENG LIANG , I-TSUNG WU , YING-CHIEH LIU , YU-CHE LIN
IPC分类号： B25C1/06
CPC分类号： B25C1/06
摘要： A return transmission of nailing rod for electric nail gun is disclosed, comprising a pulley assembly and a return elastic component configured in a gun body frame. The pulley assembly includes a towing rope, a movable pulley that guides the towing rope. A guiding holder is provided for pivoting the movable pulley. When the nailing rod moves downward along a nailing stroke to shoot the nail, the towing rope can tow the movable pulley and drive the guiding holder to move an action stroke in a way to store the elastic potential energy of the return elastic component. After nailing, the return elastic component will drive the guiding holder in a way to release the elastic potential energy, so that the guiding holder can move along the action stroke back to its original position, and the guiding holder will tow the towing rope through the movable pulley, so as to drive the nailing rod to move along the nailing stroke back to its original position. In this way, the load of the return elastic component can be reduced.
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公开(公告)号：US20230055687A1
公开(公告)日：2023-02-23
申请号：US17848023
申请日：2022-06-23
发明人： I-TSUNG WU , CHIA-SHENG LIANG , ZHEN-LIANG LIAO , WEN-CHIN CHEN
摘要： A nail drive device of electric nail gun includes a nailing rod and a rotary actuator that can output a specific rotation angle and can drive the nailing rod to move downward for nailing. Specifically, the rotary actuator includes a stator and a rotor surrounding it, between the stator and the rotor, even groups of electro-magnetic mutual action components are configured in pairs, to generate a tangential force to drive the rotor to rotate for a specific rotation angle, and to drive the nailing rod to move for a nailing stroke. The nailing stroke can be determined by the specific rotation angle. Thus, through the above configuration of the rotary actuator, the structure of the electric nail gun can be simplified.
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