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: 11917951Abstract: A sweeper head includes a cleaning device, a transmission shaft, and a shield. The cleaning device includes a rolling member rotatable about a first axis and a cleaning element. The transmission shaft is rotatable about a second axis. The shield includes a surrounding portion for surrounding at least a part of the cleaning element. The surrounding portion includes a front surrounding portion and a rear surrounding portion located on two sides of a first plane and the first plane passes through the second axis and is parallel to the first axis. The ratio of a maximum measurement of the front surrounding portion in a direction parallel to the first axis to a maximum measurement of the rear surrounding portion in the direction is greater than or equal to 2 and is less than or equal to 3.Type: GrantFiled: May 19, 2020Date of Patent: March 5, 2024Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Fangjie Nie, Chengxin Pan, Toshinari Yamaoka
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Patent number: 11913184Abstract: A snow thrower includes a motor, an auger driven by the motor to rotate, a handle device for a user to operate, an auger housing for containing the auger and a frame for connecting the handle device and the auger housing. The auger housing is made of at least two different materials.Type: GrantFiled: April 27, 2021Date of Patent: February 27, 2024Assignee: Chervon (HK) LimitedInventors: Xiangqing Fu, Feng Yuan, Keqiong Zhong, Qian Liu, Li Li, Toshinari Yamaoka, Fangjie Nie, Liang Chen
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Patent number: 11910752Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.Type: GrantFiled: March 28, 2023Date of Patent: February 27, 2024Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie
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Patent number: 11910743Abstract: A grass trimming head includes a housing assembly and a spool. The housing assembly is formed with a housing cavity and an outer aperture for allowing a cutting line to be inserted from an outside of the housing assembly into the housing cavity. At least a portion of the spool is arranged inside the housing cavity, and the spool is rotatable with respect to the housing assembly about a central axis. The spool is formed with an inner aperture for allowing the cutting line to be inserted into the spool or a clamping portion configured to fix the cutting line.Type: GrantFiled: August 16, 2021Date of Patent: February 27, 2024Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Jianpeng Guo, Toshinari Yamaoka, Fangjie Nie, Qi Zhang, Zongjing Li, Fei Wang, Lanxi Xu
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Patent number: 11839178Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.Type: GrantFiled: March 28, 2023Date of Patent: December 12, 2023Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie
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Patent number: 11839177Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.Type: GrantFiled: March 28, 2023Date of Patent: December 12, 2023Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie
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Publication number: 20230389476Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.Type: ApplicationFiled: August 18, 2023Publication date: December 7, 2023Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie
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Publication number: 20230389475Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.Type: ApplicationFiled: August 18, 2023Publication date: December 7, 2023Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie
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Patent number: 11818979Abstract: 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: GrantFiled: September 20, 2019Date of Patent: November 21, 2023Assignees: Nanjing Chervon Industry Co., Ltd., Chervon (HK) LimitedInventors: Jianpeng Guo, Maohui Li, Fangjie Nie, Toshinari Yamaoka
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Patent number: 11812693Abstract: A hand-propelled power tool includes a main body and a handle device connected to the main body. The handle device includes a rod body connected to the main body extending along a first straight line and an adjustment assembly connected to the rod body comprising an operating piece capable of sliding along the first straight line relative to the rod body. The adjustment assembly has a locked state and an unlocked state, the operating piece is operative to slide along the rod body to switch the adjustment assembly between the locked state and the unlocked state, when the adjustment assembly is in the unlocked state, the handle device is operative to rotate relative to the main body, and, when the adjustment assembly is in the locked state, the handle device is fixedly connected to the main body.Type: GrantFiled: July 7, 2020Date of Patent: November 14, 2023Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Toshinari Yamaoka, Qi Zhang, Fangjie Nie, Shichang Fu
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Patent number: 11785884Abstract: A trimmer head includes a spool formed with a winding portion for winding a trimmer line and a head housing formed with an accommodating space for accommodating at least a portion of the spool. The trimmer head further includes an intermediate element for transmitting a torque between the spool and the head housing such that one of the spool and the head housing rotates with the other. The spool drives the intermediate element to rotate and the intermediate element is slidably connected to the spool in a direction along a rotation axis or parallel to the rotation axis. The spool does not move in the axial direction when the trimmer head of the grass trimmer is unwinding the trimmer line, thereby effectively avoiding the problem of the trimmer line jamming.Type: GrantFiled: April 13, 2020Date of Patent: October 17, 2023Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Jianpeng Guo, Sanglong Wang, Longhai Chen, Qi Zhang, Hao Wang, Toshinari Yamaoka, Fangjie Nie
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Patent number: 11788538Abstract: A blower includes an air tube, an electric motor, a fan, a housing, and a circuit board. The air tube is provided with an air duct extending along a first straight line. The electric motor is arranged in the air duct. The fan is operative to be driven by the electric motor. The housing is provided with a handle configured to be held by a user and a joining portion configured for connecting to a power source. And the circuit board is electrically connected to the electric motor. The air tube is provided with an air inlet at one end of the air duct and an air outlet at another end of the air duct. The fan is arranged in the air duct, and when the fan rotates, a blowing airflow entering the air duct from the air inlet is generated.Type: GrantFiled: March 19, 2020Date of Patent: October 17, 2023Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Toshinari Yamaoka, Jingwei Li, Fangjie Nie
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Publication number: 20230240186Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.Type: ApplicationFiled: March 28, 2023Publication date: August 3, 2023Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie
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Publication number: 20230232744Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.Type: ApplicationFiled: March 28, 2023Publication date: July 27, 2023Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie
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Publication number: 20230225253Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.Type: ApplicationFiled: March 28, 2023Publication date: July 20, 2023Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie
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Publication number: 20230225252Abstract: An outdoor moving device includes a main body, a first energy storage device, a second energy storage device, and a connection assembly. The first energy storage device is capable of supplying power to the outdoor moving device and includes at least one first energy storage unit. The second energy storage device is capable of supplying power to the outdoor moving device and includes at least one second energy storage unit. The connection assembly is used for mounting the second energy storage device to the main body. The first energy storage device is detachably mounted to the main body, the first energy storage device is detachable from the main body to supply power to another power tool, the first energy storage unit includes a first positive electrode made of a first material, and the second energy storage unit includes a second positive electrode made of a second material.Type: ApplicationFiled: March 17, 2023Publication date: July 20, 2023Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie, Dezhong Yang, Yangzi Liu, Li Li, Ju Li, Changhai Lu
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Patent number: 11696531Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.Type: GrantFiled: June 23, 2020Date of Patent: July 11, 2023Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie
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Patent number: 11653598Abstract: An electric riding lawn mower includes a seat for a user to ride, a main frame to support the seat, a power output assembly including a mowing element to output power to realize mowing function and a first motor to drive the mowing element, a walking assembly to at least drive the electric riding lawn mower to travel in the direction of a first straight line on the ground and a second motor to drive the walking assembly, and a power supply device to power the electric riding lawn mower with a first battery pack, which includes a first battery pack housing and a plurality of battery cells disposed therein. The power supply device is mounted to the main frame. At least one of the first battery packs of the power supply device forms a pluggable connection with the main frame. The battery cells are lithium batteries.Type: GrantFiled: May 26, 2022Date of Patent: May 23, 2023Assignee: Nanjing Chervon Industry Co., Ltd.Inventors: Qian Liu, Toshinari Yamaoka, Zhen Wang, Fangjie Nie
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Publication number: 20230112033Abstract: A grass trimming head includes a housing assembly and a spool. The housing assembly is formed with a housing cavity and an outer aperture for allowing a cutting line to be inserted from an outside of the housing assembly into the housing cavity. At least a portion of the spool is arranged inside the housing cavity, and the spool is rotatable with respect to the housing assembly about a central axis. The spool is formed with an inner aperture for allowing the cutting line to be inserted into the spool or a clamping portion configured to fix the cutting line.Type: ApplicationFiled: December 11, 2022Publication date: April 13, 2023Inventors: Jianpeng Guo, Toshinari Yamaoka, Fangjie Nie, Qi Zhang, Zongjing Li, Fei Wang, Lanxi Xu
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Patent number: 11606900Abstract: 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: GrantFiled: October 31, 2019Date of Patent: March 21, 2023Assignee: Chervon (HK) LimitedInventors: Toshinari Yamaoka, Fangjie Nie, Haishen Xu, Xiandian Shao