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公开(公告)号：US20240082997A1
公开(公告)日：2024-03-14
申请号：US18508561
申请日：2023-11-14
CPC分类号： B25B23/0035 , B25B13/06 , B25B21/02 , B25B21/026
摘要： The present invention provides methods and systems an impact wrench having dynamically tuned drive components, such as an anvil/socket combination, and related methodology for dynamically tuning the drive components in view of inertia displacement, as well as stiffness between coupled components, and with regard to impact timing associated with clearance gaps between the component parts.
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公开(公告)号：US20220105611A1
公开(公告)日：2022-04-07
申请号：US17064764
申请日：2020-10-07
IPC分类号： B25B23/147 , B25B21/02
摘要： A power tool and method of determining torque is provided. The method of determining torque uses the energy output by the drive mechanism and the angle of rotation of the output shaft to estimate torque. The energy is determined by subtracting efficiency losses (or gains) from a nominal energy of the drive mechanism in order to improve the torque estimation.
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公开(公告)号：US20210053201A1
公开(公告)日：2021-02-25
申请号：US16547736
申请日：2019-08-22
发明人： Madan Mandal , Mark T. McClung
摘要： An impact tool is provided with vibration isolators to reduce vibrations felt by the operator gripping the handle of the tool. The impact tool has a hammer and an anvil that impact against each other during use. The impacts create undesirable vibrations in the tool housing and noise in the work area. The isolators are useful in minimizing such vibrations and noise.
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公开(公告)号：US11992921B2
公开(公告)日：2024-05-28
申请号：US16590296
申请日：2019-10-01
CPC分类号： B25B23/0035 , B25B13/06 , B25B21/02 , B25B21/026
摘要： The present invention provides methods and systems an impact wrench having dynamically tuned drive components, such as an anvil/socket combination, and related methodology for dynamically tuning the drive components in view of inertia displacement, as well as stiffness between coupled components, and with regard to impact timing associated with clearance gaps between the component parts.
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公开(公告)号：US11731253B2
公开(公告)日：2023-08-22
申请号：US17410726
申请日：2021-08-24
IPC分类号： B25B23/147 , B25B21/02
CPC分类号： B25B23/1475 , B25B21/02 , B25B21/026
摘要： An impact tool is provided which includes a drive source configured to rotate an output drive. A hammer is movable in a first direction to apply a rotational impact force on an anvil which rotates the output drive. A first hammer angle sensor set to a first signal channel and located proximate to a surface of the hammer. A plurality of regularly spaced targets are located on the surface of the hammer. Each of the plurality of regularly spaced targets are detectable by the first hammer sensor. And detection of one or more of the plurality of regularly spaced targets by the first hammer sensor indicates movement of the hammer.
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公开(公告)号：US11602832B2
公开(公告)日：2023-03-14
申请号：US16881393
申请日：2020-05-22
发明人： Jason Christopher Bartoszek , Joshua Odell Johnson , Douglas Fornell Leavitt , Thomas S. Dougherty , Mark T. McClung , Sean C. Ely
摘要： A hand-held power tool is provided that includes a housing, a motive source, a front endbell, an output shaft, a front housing, and a gear set assembly. The output shaft protrudes from an output end at the front endbell of the housing. The output shaft is also functionally coupled to the motive source such that the output shaft rotates in response to activation of the motive source when the motive source is supplied with power. The gear set assembly is located in an interior space of the front housing, and is configured to transfer rotation from the motive source to an output spindle. The gear set assembly also includes a ring gear that surrounds a portion of the output shaft and abuts the front endbell of the housing. A set of piloting features is provided that is configured to prevent movement of the ring gear relative to the motive source and the front housing, or the front housing relative to the housing.
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公开(公告)号：US11097405B2
公开(公告)日：2021-08-24
申请号：US15664577
申请日：2017-07-31
IPC分类号： B25B23/147 , B25B21/02
摘要： An impact tool is provided which includes a drive source configured to rotate an output drive. A hammer is movable in a first direction to apply a rotational impact force on an anvil which rotates the output drive. A first hammer angle sensor set to a first signal channel and located proximate to a surface of the hammer. A plurality of regularly spaced targets are located on the surface of the hammer. Each of the plurality of regularly spaced targets are detectable by the first hammer sensor. And detection of one or more of the plurality of regularly spaced targets by the first hammer sensor indicates movement of the hammer.
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公开(公告)号：US20210187717A1
公开(公告)日：2021-06-24
申请号：US16726349
申请日：2019-12-24
发明人： Mark T. McClung , Warren A. Seith
摘要： An apparatus and method for latching a hammer of an impact tool, the hammer being displaceable along a cam shaft between a latched or retracted position and an impact position at which the hammer impacts an anvil. The apparatus can include one or more latching bodies, a portion of the one or more latching bodies being positioned within the hammer groove when the hammer is at the latched position, and removed from the hammer groove when the hammer is to be released from the latched position. The apparatus can also include an actuator sleeve that is configured to retain at least the portion of the one or more latching bodies within the hammer groove when the actuator sleeve is at the first position, and accommodate removal of the portion of the latching bodies from the hammer groove when the actuator sleeve is at a second position.
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公开(公告)号：US20200282540A1
公开(公告)日：2020-09-10
申请号：US16881393
申请日：2020-05-22
发明人： Jason Christopher Bartoszek , Joshua Odell Johnson , Douglas Fornell Leavitt , Thomas S. Dougherty , Mark T. McClung , Sean C. Ely
摘要： A hand-held power tool is provided that includes a housing, a motive source, a front endbell, an output shaft, a front housing, and a gear set assembly. The output shaft protrudes from an output end at the front endbell of the housing. The output shaft is also functionally coupled to the motive source such that the output shaft rotates in response to activation of the motive source when the motive source is supplied with power. The gear set assembly is located in an interior space of the front housing, and is configured to transfer rotation from the motive source to an output spindle. The gear set assembly also includes a ring gear that surrounds a portion of the output shaft and abuts the front endbell of the housing. A set of piloting features is provided that is configured to prevent movement of the ring gear relative to the motive source and the front housing, or the front housing relative to the housing.
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公开(公告)号：US20240091915A1
公开(公告)日：2024-03-21
申请号：US18522948
申请日：2023-11-29
发明人： Warren A. Seith , Justin T. Chellew , Nicholas Garibaldi , Kevin M. Purdy , Mark T. McClung , Madan Kumar Mandal
CPC分类号： B25B21/023 , B25D17/04 , B25D17/06 , B25F5/02 , B25D2211/006 , B25D2211/06 , B25D2216/0007 , B25D2217/0015
摘要： An impact wrench is provided with a battery to power the motor. The impact wrench provides improved portability since the impact wrench does not need to be connected to an electrical extension cord or a pneumatic hose. The output drive, motor, batteries and main handle may be aligned along the axial direction of the tool. The batteries may be located between the motor and the main handle.
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