Patents by Inventor Fangjie Nie
Fangjie Nie has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10098285Abstract: A gardening tool includes a motor, a working assembly for performing a function of the gardening tool, and a transmission system for causing the motor to drive the working assembly. The transmission system includes a first clutch member, a movable member that is moveable from a first position to a second position, a bias member for biasing the movable member to the first position, and a second clutch member configured to rotate with the first clutch member when the movable member is biased to the first position and to rotate relative to the first clutch member when the movable member is located at the second position.Type: GrantFiled: February 19, 2016Date of Patent: October 16, 2018Assignee: Chervon (HK) LimitedInventors: Li Li, Toshinari Yamaoka, Fangjie Nie
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Publication number: 20180288952Abstract: A handheld blower includes a housing having an air inlet and a duct assembly mounted in front of the air inlet, the duct assembly including a duct connected with the housing, a motor and a fan mounted in the duct, a battery, and a blowpipe connected to the housing by the duct assembly, the blowpipe defining a central axis in the length direction, and a handle arranged above the housing and the battery. The handle includes a gripping portion arranged on opposite sides of a plane in which the gravity center of the blower is located, and the plane is parallel to a central axis of the blowpipe and substantially perpendicular to a working ground. The gravity center of the handheld blower is adjacent to the gripping portion which enhances the handling comfort and reduces operator fatigue during long times of operation.Type: ApplicationFiled: April 25, 2018Publication date: October 11, 2018Inventors: Toshinari Yamaoka, Xiandian Shao, Fangjie Nie, Jianpeng Guo
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Patent number: 10091954Abstract: A handheld blower includes a housing having an air inlet and a duct assembly mounted in front of the air inlet, the duct assembly including a duct connected with the housing, a motor and a fan mounted in the duct, a battery, and a blowpipe connected to the housing by the duct assembly, the blowpipe defining a central axis in the length direction, and a handle arranged above the housing and the battery. The handle includes a gripping portion arranged on opposite sides of a plane in which the gravity center of the blower is located, and the plane is parallel to a central axis of the blowpipe and substantially perpendicular to a working ground. The gravity center of the handheld blower is adjacent to the gripping portion which enhances the handling comfort and reduces operator fatigue during long times of operation.Type: GrantFiled: April 25, 2018Date of Patent: October 9, 2018Assignee: Chervon (HK) LimitedInventors: Toshinari Yamaoka, Xiandian Shao, Fangjie Nie, Jianpeng Guo
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Publication number: 20180271012Abstract: A grass trimmer includes a trimming head, a driving device for driving the trimming head to rotate so as to cut vegetation and an operating device for a user to operate so as to control the driving device. The trimming head includes a spool and a line holding member, the spool is used to wind a cutting line, and the line holding member is formed with a line holding structure. The driving device includes a motor. The grass trimmer has an auto-winding mode. In the auto-winding mode, the motor drives at least one of the spool and the line holding member to make the spool and the line holding member rotate relatively so that the cutting line is wound on the spool automatically.Type: ApplicationFiled: May 31, 2018Publication date: September 27, 2018Applicants: NANJING CHERVON INDUSTRY CO., LTD., CHERVON (HK) LIMITEDInventors: Jianpeng GUO, Maohui Li, Fangjie Nie, Toshinari Yamaoka
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Patent number: 10079453Abstract: The present invention provides an electrical tool with battery pack ejection assist mechanism. The electrical tool includes a housing receiving a motor and a transmission mechanism, a tool accessory driven by the motor for the operation, a battery pack slidably mounted to the housing for providing power and a locking mechanism for locking the battery pack after being mounted. The electrical tool further includes an ejecting assembly for assisting in the ejection of the battery pack when the locking mechanism unlocks the battery pack, the ejecting assembly includes a contacting member for contacting and ejecting the battery pack and a driving member for driving the contacting member for ejecting the battery pack. The contacting member is movably connected to the housing, and the driving member is arranged in the housing and contacts the contacting member.Type: GrantFiled: June 26, 2013Date of Patent: September 18, 2018Assignee: Chevron (HK) LimitedInventors: Fangjie Nie, Li Li
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Patent number: 10070588Abstract: A gardening tool, such as a mower, includes a main body and a handle rotatably connected to the main body. The main body includes a motor. The handle includes a plurality of telescopic members slidably connected to each other. The mower further includes a operation assembly for being operated by a user to activate the motor and a control device for sending a control signal to enable or disable the operation of motor by the operation assembly.Type: GrantFiled: August 29, 2016Date of Patent: September 11, 2018Assignee: Chervon (HK) LimitedInventors: Toshinari Yamaoka, Fangjie Nie, Haishen Xu
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Publication number: 20180228089Abstract: A gardening tool, such as a mower, has a main body having an accessory, such as a mowing blade, and a motor for driving the accessory. A handle is rotatably connected to the main body. At least one operation assembly is associated with the handle for being operated by a user to control the motor when the handle is located in a predetermined position. A control system prevents the motor from being controlled by the operation assembly and halts the motor when the handle is located out of the predetermined position.Type: ApplicationFiled: March 2, 2018Publication date: August 16, 2018Inventors: Toshinari Yamaoka, Fangjie Nie, Haishen Xu, Xiandian Shao
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Patent number: 10039367Abstract: Embodiments of the disclosure are directed to a back-mounted power tool system. The power tool system includes a battery package that can be used on other power tool systems, a backpack apparatus, a power tool, and a connecting member. The backpack apparatus includes a backpack harness to mount the backpack apparatus onto a user's body and a first connector to removably couple the battery package to the backpack apparatus. The power tool includes a motor driven by a power supply from the battery package. The connecting member transfers a weight of the power tool and/or a force received from the power tool to the backpack apparatus by rotatably coupling the power tool to the backpack apparatus. The connecting member further enables the power tool to rotate about a first rotation axis or a second rotation axis, the first rotation axis being perpendicular to the second rotation axis.Type: GrantFiled: April 14, 2016Date of Patent: August 7, 2018Assignee: Chevron (HK) LimitedInventors: Toshinari Yamaoka, Fangjie Nie, Jianpeng Guo
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Publication number: 20180206620Abstract: Embodiments of the disclosure are directed to a back-mounted power tool system. The power tool system includes a battery package that can be used on other power tool systems, a backpack apparatus, a power tool, and a connecting member. The backpack apparatus includes a backpack harness to mount the backpack apparatus onto a user's body and a first connector to removably couple the battery package to the backpack apparatus. The power tool includes a motor driven by a power supply from the battery package. The connecting member transfers a weight of the power tool and/or a force received from the power tool to the backpack apparatus by rotatably coupling the power tool to the backpack apparatus. The connecting member further enables the power tool to rotate about a first rotation axis or a second rotation axis, the first rotation axis being perpendicular to the second rotation axis.Type: ApplicationFiled: March 26, 2018Publication date: July 26, 2018Applicant: Chervon (HK) LimitedInventors: Toshinari YAMAOKA, Fangjie NIE, Jianpeng GUO
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Patent number: 10000900Abstract: A handheld blower includes a housing, the housing including an air inlet and a duct assembly, the duct assembly including a duct, a motor and a fan mounted in the duct, a battery, a handle, and a blowpipe which defines a central axis. Along the direction of the central axis, the area of the flowing cross-section of an air passage at the rear end of the fan adjacent to the air inlet is larger than that of the flowing cross-section of an air outlet of the blowpipe, and the rate between the area of the flow cross-section of the air outlet of the blowpipe and the area of the flow cross-section of the flow-through area at the position of the fan is greater than or equal to 0.8.Type: GrantFiled: September 23, 2013Date of Patent: June 19, 2018Assignee: Chervon (HK) LimitedInventors: Toshinari Yamaoka, Jianpeng Guo, Fangjie Nie, Xiandian Shao
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Publication number: 20180160620Abstract: The invention discloses a power tool and a lawn mower. They mainly include a functional device and a power device. The functional device is formed with a mounting portion for mounting the power device. The power device includes a prime mover and battery packs detachably coupled with a power housing. The prime mover can be a motor. The power housing is at least provided with an engaging portion allowing the power device to be at least mounted to the functional device, and a coupling portion for providing a space or structure for coupling with the battery packs. When the power device and the functional device constitute a whole through the mounting portion and the engaging portion, the battery packs at least can be detached from the power housing. The power tool of the invention uses multi battery packs to provide power, and the operation is convenient.Type: ApplicationFiled: December 29, 2015Publication date: June 14, 2018Inventors: Zhen WANG, Fangjie NIE, Qian LIU
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Patent number: 9986686Abstract: A gardening tool, such as a mower, includes a main body and a handle rotatably connected to the main body. The main body includes a motor. The handle includes a plurality of telescopic members slidably connected to each other. The mower further includes a operation assembly for being operated by a user to activate the motor and a control system for sending a control signal to enable or disable the operation of motor by the operation assembly when the handle is out of a secure state.Type: GrantFiled: August 29, 2016Date of Patent: June 5, 2018Assignee: Chervon (HK) LimitedInventors: Toshinari Yamaoka, Fangjie Nie, Haishen Xu
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Publication number: 20180139907Abstract: A hedge trimmer includes a first housing with a first handle, a second housing with a second handle, a transmission mechanism combined to the first housing, a trimming blade for being driven by the transmission mechanism to carry out a shearing motion, an electric motor combined to the first housing and for driving the transmission mechanism, and a battery pack combined to the second housing and for supplying power to the electric motor. The first and second housings respectively include first and second rotation connection parts for making them be connected and rotatable around a rotation axis. The second housing has first and second rotation positions when being rotated with respect to the first housing. A plane perpendicular to the rotation axis is obliquely intersected with a plane perpendicular to a longitudinal axis of the trimming blade.Type: ApplicationFiled: January 4, 2018Publication date: May 24, 2018Inventors: Li Li, Fangjie Nie, Toshinari Yamaoka
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Patent number: 9974241Abstract: A handheld blower includes a housing having an air inlet and a duct assembly mounted in front of the air inlet, the duct assembly including a duct connected with the housing, a motor and a fan mounted in the duct, a battery, and a blowpipe connected to the housing by the duct assembly, the blowpipe defining a central axis in the length direction, and a handle arranged above the housing and the battery. The handle includes a gripping portion arranged on opposite sides of a plane in which the gravity center of the blower is located, and the plane is parallel to a central axis of the blowpipe and substantially perpendicular to a working ground. The gravity center of the handheld blower is adjacent to the gripping portion which enhances the handling comfort and reduces operator fatigue during long times of operation.Type: GrantFiled: May 22, 2017Date of Patent: May 22, 2018Assignee: Chervon (HK) LimitedInventors: Toshinari Yamaoka, Xiandian Shao, Fangjie Nie, Jianpeng Guo
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Publication number: 20180098492Abstract: A grass trimmer includes a trimming head, a driving device for driving the trimming head to rotate so as to cut vegetation and an operating device for a user to operate so as to control the driving device. The trimming head includes a spool and a line holding element, the spool is used to wind a trimming line, and the line holding element is formed with a line holding structure. The driving device includes a motor. The grass trimmer has an auto-winding mode. In the auto-winding mode, the motor drives at least one of the spool and the line holding element to make the spool and the line holding element rotate relatively so that the trimming line is wound on the spool automatically.Type: ApplicationFiled: December 12, 2017Publication date: April 12, 2018Inventors: Jianpeng Guo, Maohui Li, Fangjie Nie, Toshinari Yamaoka
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Publication number: 20180051429Abstract: A handheld blower includes a housing, the housing including an air inlet and a duct assembly, the duct assembly including a duct, a motor and a fan mounted in the duct, a battery, a handle, and a blowpipe which defines a central axis. Along the direction of the central axis, the area of the flowing cross-section of an air passage at the rear end of the fan adjacent to the air inlet is larger than that of the flowing cross-section of an air outlet of the blowpipe, and the rate between the area of the flow cross-section of the air outlet of the blowpipe and the area of the flow cross-section of the flow-through area at the position of the fan is greater than or equal to 0.8.Type: ApplicationFiled: September 13, 2017Publication date: February 22, 2018Inventors: Toshinari Yamaoka, Jianpeng Guo, Fangjie Nie, Xiandian Shao
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Patent number: 9888627Abstract: A lawncare apparatus includes a main body, multiple wheels supporting the main body, a cutting blade disposed in the main body, a motor driving the cutting blade, and an operating arm connected to the first end of the main body. The distance in the horizontal direction between the axial central line of the cylindrical gripping portion of the operating arm and the axes of the elongated handle of the main body along the length direction is less than 5 cm. Because of the structure mate relationship between the operating arm and the cylindrical gripping portion, the operator feels more comfortable during the transporting process, the volume of lawncare apparatus during transporting is reduced and the convenience of transporting is improved.Type: GrantFiled: October 8, 2013Date of Patent: February 13, 2018Assignee: Chervon (HK) LimitedInventors: Toshinari Yamaoka, Fangjie Nie, Haishen Xu, Xiandian Shao
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Patent number: 9877435Abstract: A hedge trimmer includes a first housing with a first handle, a second housing with a second handle, a transmission mechanism combined to the first housing, a trimming blade for being driven by the transmission mechanism to carry out a shearing motion, an electric motor combined to the first housing and for driving the transmission mechanism, and a battery pack combined to the second housing and for supplying power to the electric motor. The first and second housings respectively include first and second rotation connection parts for making them be connected and rotatable around a rotation axis. The second housing has first and second rotation positions when being rotated with respect to the first housing. A plane perpendicular to the rotation axis is obliquely intersected with a plane perpendicular to a longitudinal axis of the trimming blade.Type: GrantFiled: September 12, 2016Date of Patent: January 30, 2018Assignee: Chervon (HK) LimitedInventors: Li Li, Fangjie Nie, Toshinari Yamaoka
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Publication number: 20170361487Abstract: A chain saw has a fluid pump. The fluid pump has a pump rod, a pump core assembly defining a pumping channel, and a pump body. The pump core assembly has an inner pump core and an outer pump core. The pumping channel is formed at least by a first hole defined in the inner pump core and a second hole defined in the outer pump core and the first hole is in communication with the inlet and the outlet. The pump rod is arranged to do a straight reciprocating motion in the pumping channel along a first axis so as to force fluid to flow from the inlet to the outlet by passing through the first hole.Type: ApplicationFiled: September 5, 2017Publication date: December 21, 2017Inventors: Toshinari Yamaoka, Fangjie Nie, Huixing Fu
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Publication number: 20170339837Abstract: A vegetation cutting tool includes a cutting head, an input shaft, an output shaft, a transmission assembly and a transmission housing accommodating the transmission assembly. The transmission housing includes a skirt portion having a small end located away from the cutting head and a big end located adjacent to the cutting head, a shank extending along the first axis from the skirt portion, and a stop portion connecting the skirt portion and the shank. The stop portion forms a stop face extending from the skirt portion to the shank for preventing grass clippings winding around the transmission housing.Type: ApplicationFiled: May 19, 2017Publication date: November 30, 2017Inventors: Qi Zhang, Fangjie Nie