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公开(公告)号：US20150306675A1
公开(公告)日：2015-10-29
申请号：US14697948
申请日：2015-04-28
Applicant: Milwaukee Electric Tool Corporation
Inventor： Ryan Allen Dedrickson
IPC: B23B31/12
CPC classification number: B23B31/1238 , B23B31/1215 , B23B2231/026 , B23B2231/0264 , B23B2231/0276 , B23B2260/136 , B23B2260/138 , B23B2260/1388 , B23B2260/146 , B25D16/006 , B25D17/005 , B25D2216/0084 , B25D2217/003 , Y10S279/902 , Y10T29/49826 , Y10T279/17623 , Y10T279/17632 , Y10T279/32
Abstract: A chuck assembly, for use with a rotary power tool, includes a chuck body rotatable about an axis, a plurality of jaws supported by the chuck body for relative movement therewith between a retracted position for permitting insertion of a tool bit within the chuck body and an extended position for clamping the tool bit, a plurality of clamping nuts surrounding the chuck body and having interior threads engageable with corresponding threads on the respective jaws, a tightening sleeve surrounding and threadably engaged with the chuck body for relative rotation therewith, and a wedge defined on the tightening sleeve for selective engagement with the clamping nuts for inwardly displacing the clamping nuts, causing the respective threads on the clamping nuts and jaws to engage, in response to rotation of the tightening sleeve relative to the chuck body in a tightening direction.
Abstract translation: 与旋转动力工具一起使用的卡盘组件包括可围绕轴线旋转的卡盘主体，由卡盘主体支撑的多个卡爪，用于与卡盘主体相对运动，用于允许工具头插入卡盘主体内的缩回位置和 用于夹紧工具头的延伸位置，围绕卡盘主体的多个夹紧螺母，并具有可与相应夹爪上的相应螺纹接合的内螺纹，与卡盘主体相关联并与螺母相接合的紧固套筒，用于与其相对旋转;以及楔形件 限定在紧固套上，用于与夹紧螺母选择性地接合，用于向内移动夹紧螺母，使得夹紧螺母和夹爪中的相应螺纹响应紧固套筒相对于卡盘体沿紧固方向的旋转而接合。
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公开(公告)号：US20240165780A1
公开(公告)日：2024-05-23
申请号：US18430944
申请日：2024-02-02
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew R. Wyler , Nathan T. Armstrong , Jason D. Thurner , Troy C. Thorson , John S. Scott , Jeremy R. Ebner , Daniel R. Garces , Ryan Allen Dedrickson , Luke J. Skinner , Benjamin R. Suhr
Abstract: A gas spring-powered fastener driver includes a cylinder, a moveable piston positioned within the cylinder, a driver blade attached to the piston and movable therewith between a ready position and a driven position, a lifter to move the driver blade from the driven position to the ready position, and a transmission including an output shaft operatively coupled to the lifter to provide torque to the lifter. The fastener driver also includes an input to provide torque to the transmission and a clutch positioned downstream of the input and operably coupled to the output shaft to limit an amount of torque transferred to the output shaft and the lifter. In response to an application of a reaction torque to the output shaft above a predetermined threshold, torque from the input is diverted from the output shaft via the clutch.
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Patent Agency Ranking
公开(公告)号：US20210347025A1
公开(公告)日：2021-11-11
申请号：US17382965
申请日：2021-07-22
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew R. Wyler , Nathan T. Armstrong , Jason D. Thurner , Troy C. Thorson , John S. Scott , Jeremy R. Ebner , Daniel R. Garces , Ryan Allen Dedrickson , Luke J. Skinner , Benjamin R. Suhr
Abstract: A gas spring-powered fastener driver includes a cylinder, a moveable piston, a driver blade attached to the piston, the driver blade movable with the piston, a lifter including a rotary component operably coupled to the driver blade to move the driver blade from a driven position to a ready position, and a multi-stage planetary transmission. The transmission includes an output shaft operatively coupled to the lifter to provide torque thereto, a first bearing supporting a first portion of the output shaft for rotation, a second bearing supporting a second portion of the output shaft for rotation. The fastener driver also includes a housing having a cylinder support portion in which the cylinder is received and a transmission housing portion in which the first and second bearings are received to rotatably support the output shaft. The cylinder support portion and the transmission housing portion are integrally formed as a single piece.
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公开(公告)号：US11027404B2
公开(公告)日：2021-06-08
申请号：US16457054
申请日：2019-06-28
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Peter Malak , Michael R. Sande , Ryan Allen Dedrickson , Guang Hu , Fan Bin Zeng , Wei Chao Xu , Qiao Cai
Abstract: A power tool includes a housing having a motor housing portion and a front casing coupled to the motor housing portion. The power tool also includes an electric motor positioned within the motor housing portion, a drive assembly having an output shaft to which a tool element for performing work on a workpiece is attachable, and a powdered metal bushing disposed within the front casing that rotatably supports the output shaft.
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公开(公告)号：US20190091845A1
公开(公告)日：2019-03-28
申请号：US16201111
申请日：2018-11-27
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Andrew R. Wyler , Nathan T. Armstrong , Jason D. Thurner , Troy C. Thorson , John S. Scott , Jeremy R. Ebner , Daniel R. Garces , Ryan Allen Dedrickson , Luke J. Skinner , Benjamin R. Suhr
Abstract: A gas spring-powered fastener driver including a cylinder, a moveable piston positioned within the cylinder, a driver blade attached to the piston and movable therewith between a ready position and a driven position, a lifter operable to move the driver blade from the driven position to the ready position, a transmission for providing torque to the lifter, a first clutch mechanism permitting a transfer of torque to an output shaft of the transmission in a single rotational direction, and a second clutch mechanism limiting an amount of torque transferred to the transmission output shaft and the lifter.
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公开(公告)号：US09975184B2
公开(公告)日：2018-05-22
申请号：US15478560
申请日：2017-04-04
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Ryan Allen Dedrickson
CPC classification number: B23B31/1238 , B23B31/1215 , B23B2231/026 , B23B2231/0264 , B23B2231/0276 , B23B2260/136 , B23B2260/138 , B23B2260/1388 , B23B2260/146 , B25D16/006 , B25D17/005 , B25D2216/0084 , B25D2217/003 , Y10S279/902 , Y10T29/49826 , Y10T279/17623 , Y10T279/17632 , Y10T279/32
Abstract: A method of operating a power tool chuck assembly includes inserting a tool bit within a central bore of a chuck body, displacing a plurality of jaws with the tool bit from an extended position to a retracted position, displacing the jaws from the retracted position toward the extended position with a spring, rotating a tightening sleeve about a rotational axis in a tightening direction, thereby imparting an axial displacement to the tightening sleeve relative to the chuck body, inwardly displacing a plurality of clamping nuts in a radial direction in response to engagement between a wedge defined on the tightening sleeve and the clamping nuts, causing respective threads on the clamping nuts and the jaws to engage, and applying a clamping force on the tool bit with the jaws in response to continued rotation of the tightening sleeve in the tightening direction.
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公开(公告)号：US20170203372A1
公开(公告)日：2017-07-20
申请号：US15478560
申请日：2017-04-04
Applicant: MILWAUKEE ELECTRIC TOOL CORPORATION
Inventor： Ryan Allen Dedrickson
CPC classification number: B23B31/1238 , B23B31/1215 , B23B2231/026 , B23B2231/0264 , B23B2231/0276 , B23B2260/136 , B23B2260/138 , B23B2260/1388 , B23B2260/146 , B25D16/006 , B25D17/005 , B25D2216/0084 , B25D2217/003 , Y10S279/902 , Y10T29/49826 , Y10T279/17623 , Y10T279/17632 , Y10T279/32
Abstract: A method of operating a power tool chuck assembly includes inserting a tool bit within a central bore of a chuck body, displacing a plurality of jaws with the tool bit from an extended position to a retracted position, displacing the jaws from the retracted position toward the extended position with a spring, rotating a tightening sleeve about a rotational axis in a tightening direction, thereby imparting an axial displacement to the tightening sleeve relative to the chuck body, inwardly displacing a plurality of clamping nuts in a radial direction in response to engagement between a wedge defined on the tightening sleeve and the clamping nuts, causing respective threads on the clamping nuts and the jaws to engage, and applying a clamping force on the tool bit with the jaws in response to continued rotation of the tightening sleeve in the tightening direction.
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