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公开(公告)号：US20220118534A1
公开(公告)日：2022-04-21
申请号：US17500068
申请日：2021-10-13
Applicant: Nanjing Chervon Industry Co., Ltd.
Inventor： Wei Zhang , Zhongquan Xu , Rui Zhang , Yang Zhou , Suixi Ding
IPC: B23D49/16
Abstract: A reciprocating saw includes a housing; a functional assembly including a motor supported by the housing; a sliding rod for connecting and driving the saw blade; a transmission mechanism connecting the motor and the sliding rod for driving the sliding rod to reciprocate. The reciprocating saw further includes a connecting device configured to rotatably connect the functional assembly to the housing and a buffer arranged between the functional component and the housing.
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公开(公告)号：US20220234123A1
公开(公告)日：2022-07-28
申请号：US17719039
申请日：2022-04-12
Applicant: Nanjing Chervon Industry Co., Ltd.
Inventor： Yang Zhou , Guanhai Shao , Masatoshi FUKINUKI , Hao Gao
Abstract: A hand-held band saw includes a band saw body and an supporting device. The supporting device includes a fixing member, a slider, a supporting member, and a connection assembly. The fixing member is fixedly connected to the band saw body, the slider is slidably connected to the fixing member, the supporting member supports a workpiece and is connected to the slider, and the connection assembly connectes the slider and the supporting member. When the slider moves, the connection assembly is capable of enabling the supporting member to move along with the slider. The connection assembly comprises a buffer member mounted between the slider and the supporting member.
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公开(公告)号：US12059738B2
公开(公告)日：2024-08-13
申请号：US17719039
申请日：2022-04-12
Applicant: Nanjing Chervon Industry Co., Ltd.
Inventor： Yang Zhou , Guanhai Shao , Masatoshi Fukinuki , Hao Gao
Abstract: A hand-held band saw includes a band saw body and an supporting device. The supporting device includes a fixing member, a slider, a supporting member, and a connection assembly. The fixing member is fixedly connected to the band saw body, the slider is slidably connected to the fixing member, the supporting member supports a workpiece and is connected to the slider, and the connection assembly connectes the slider and the supporting member. When the slider moves, the connection assembly is capable of enabling the supporting member to move along with the slider. The connection assembly comprises a buffer member mounted between the slider and the supporting member.
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公开(公告)号：US20240058879A1
公开(公告)日：2024-02-22
申请号：US18446239
申请日：2023-08-08
Applicant: Nanjing Chervon Industry Co., Ltd.
CPC classification number: B23D53/12 , B23D55/065 , B23D55/082 , B23D55/02
Abstract: A handheld band saw includes a housing assembly including a battery pack mounting portion for mounting a battery pack, a rotating wheel assembly at least partially disposed in the housing assembly and including a first rotating wheel and a second rotating wheel, where the first rotating wheel and the second rotating wheel are configured to be substantially symmetrical about a midplane, an electric motor disposed in the housing assembly and capable of driving one of the first rotating wheel and the second rotating wheel to rotate, a fan which is capable of generating at least one airflow in the housing assembly, and a control circuit board disposed in the housing assembly.
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公开(公告)号：US11504782B2
公开(公告)日：2022-11-22
申请号：US17084856
申请日：2020-10-30
Applicant: Nanjing Chervon Industry Co., Ltd.
Inventor： Yang Zhou
Abstract: A reciprocating saw blade mounting device includes a reciprocating rod, a clamping mechanism and an ejection mechanism. The reciprocating rod is provided with a clamping cavity. The clamping mechanism includes a clamping member and a positioning member which are disposed opposite to each other. The clamping member can move such that the reciprocating saw blade mounting device switches between a clamping state and a released state. The ejection mechanism includes a pressing block and a first elastic member. When the reciprocating saw blade mounting device is in the released state, the pressing block is elastically pressed between the clamping member and the positioning member by the first elastic member. When the reciprocating saw blade mounting device is in the clamping state, the pressing block is pressed out from between the clamping member and the positioning member by the clamping end and compresses the first elastic member.
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Patent Agency Ranking
公开(公告)号：US11376678B2
公开(公告)日：2022-07-05
申请号：US17370178
申请日：2021-07-08
Applicant: Nanjing Chervon Industry Co., Ltd.
Abstract: A reciprocating saw includes a casing, a power assembly, a transmission assembly, a reciprocating assembly, a swing assembly, and a balance weight. The transmission assembly includes a first transmission member that is capable of being driven by the power assembly to rotate around a first axis. The swing assembly includes a floating support member configured to drive the reciprocating assembly to perform an orbital motion. The first transmission member is provided with a cam surface configured to be in contact with the floating support member to drive the floating support member to move in an up-and-down direction parallel to the first axis. The balance weight is provided with an escape opening, and the escape opening is disposed on a path on which the floating support member moves in the up-and-down direction.
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公开(公告)号：US20210046562A1
公开(公告)日：2021-02-18
申请号：US17084856
申请日：2020-10-30
Applicant: Nanjing Chervon Industry Co., Ltd.
Inventor： Yang Zhou
IPC: B23D51/10
Abstract: A reciprocating saw blade mounting device includes a reciprocating rod, a clamping mechanism and an ejection mechanism. The reciprocating rod is provided with a clamping cavity. The clamping mechanism includes a clamping member and a positioning member which are disposed opposite to each other. The clamping member can move such that the reciprocating saw blade mounting device switches between a clamping state and a released state. The ejection mechanism includes a pressing block and a first elastic member. When the reciprocating saw blade mounting device is in the released state, the pressing block is elastically pressed between the clamping member and the positioning member by the first elastic member. When the reciprocating saw blade mounting device is in the clamping state, the pressing block is pressed out from between the clamping member and the positioning member by the clamping end and compresses the first elastic member.
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公开(公告)号：US12138697B2
公开(公告)日：2024-11-12
申请号：US17500068
申请日：2021-10-13
Applicant: Nanjing Chervon Industry Co., Ltd.
Inventor： Wei Zhang , Zhongquan Xu , Rui Zhang , Yang Zhou , Suixi Ding
Abstract: A reciprocating saw includes a housing; a functional assembly including a motor supported by the housing; a sliding rod for connecting and driving the saw blade; a transmission mechanism connecting the motor and the sliding rod for driving the sliding rod to reciprocate. The reciprocating saw further includes a connecting device configured to rotatably connect the functional assembly to the housing and a buffer arranged between the functional component and the housing.
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公开(公告)号：US20240316661A1
公开(公告)日：2024-09-26
申请号：US18736731
申请日：2024-06-07
Applicant: Nanjing Chervon Industry Co., Ltd.
Inventor： Yang Zhou , Guanhai Shao , Masatoshi Fukinuki , Hao Gao , Liyu Qin
CPC classification number: B23D53/12 , B23D55/065 , B23D55/082
Abstract: A hand-held band saw includes a band saw body and an supporting device. The supporting device includes a fixing member, a slider, a supporting member, and a connection assembly. The fixing member is fixedly connected to the band saw body, the slider is slidably connected to the fixing member, the supporting member supports a workpiece and is connected to the slider, and the connection assembly connectes the slider and the supporting member. When the slider moves, the connection assembly is capable of enabling the supporting member to move along with the slider. The connection assembly comprises a buffer member mounted between the slider and the supporting member.
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公开(公告)号：US20220009011A1
公开(公告)日：2022-01-13
申请号：US17370178
申请日：2021-07-08
Applicant: Nanjing Chervon Industry Co., Ltd.
Abstract: A reciprocating saw includes a casing, a power assembly, a transmission assembly, a reciprocating assembly, a swing assembly, and a balance weight. The transmission assembly includes a first transmission member that is capable of being driven by the power assembly to rotate around a first axis. The swing assembly includes a floating support member configured to drive the reciprocating assembly to perform an orbital motion. The first transmission member is provided with a cam surface configured to be in contact with the floating support member to drive the floating support member to move in an up-and-down direction parallel to the first axis. The balance weight is provided with an escape opening, and the escape opening is disposed on a path on which the floating support member moves in the up-and-down direction.
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