Patents by Inventor Lingao Zhang

Lingao Zhang 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).

  • Publication number: 20240100729
    Abstract: The disclosure provides a handheld power tool, which at least includes a housing assembly, a handle assembly and a switch assembly. The switch assembly includes a button assembly and a push-pull assembly. When the push-pull assembly is configured to complete at least two actions, the button assembly is unlocked, the first action is to slide back and forth along the handle assembly, and the second action is to slide back and forth obliquely along the handle assembly. With the handheld power tool of the disclosure, a trigger switch can be unlocked by a palm, so as to improve a problem of poor comfort during use caused by unlocking the trigger switch by a thumb.
    Type: Application
    Filed: November 14, 2023
    Publication date: March 28, 2024
    Applicant: Greenworks (Jiangsu) Co., Ltd.
    Inventors: Dong ZHAO, Duoduo SHA, Lingao ZHANG, Stefan LA, Andreas CARLSSON, Ola AGNE, Thomas ARNELL, Goran VUCIC
  • Publication number: 20240075649
    Abstract: A power tool includes a housing, a driving device, a cutting device and an oil storage device. The driving device, the cutting device and the oil storage device are all mounted in the housing. The driving device may drive the cutting device to work, and the oil storage device provides lubricating oil to the cutting device. The oil storage device includes an oil reservoir and an oil pump, the oil reservoir is connected with the oil pump through a first oil pipe, and a filtering structure is arranged between the first oil pipe and the oil reservoir to filter the lubricating oil entering the oil pump from the oil reservoir. The oil reservoir provides lubricating oil to the cutting device through the oil pump. The oil storage device of the disclosure may effectively improve a clogging problem of the oil pump and improve a duration life of the power tool.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 7, 2024
    Applicant: Greenworks (Jiangsu) Co., Ltd.
    Inventors: Xinxin YU, Lingao ZHANG
  • Publication number: 20240074359
    Abstract: A power device and a power tool are provided, including a motor and a transmission gear set. The transmission gear set includes a driving gear and a driven gear, a speed of the motor is from 5000 rpm to 11000 rpm, a diameter is from 20 mm to 50 mm, and a volume is from 600 mm3 to 2200 mm3. A weight is from 90 g to 260 g. A reduction ratio of the driving gear to the driven gear is from 2 to 7. The power tool of the disclosure adopts an outer rotor motor with a smaller rotor diameter and a lower rotating speed, which reduces a volume and weight of the overall device, is easy to mount and carry, and increases a battery life.
    Type: Application
    Filed: November 12, 2023
    Publication date: March 7, 2024
    Applicant: Greenworks (Jiangsu) Co., Ltd.
    Inventors: Jianbo LI, Lingao ZHANG, Xiaohui HUO, Yongxing MA
  • Patent number: 11905761
    Abstract: The disclosure provides an electric drill comprising: a housing; a motor for driving the electric drill to work; an output assembly for outputting the power of the motor; a first brake assembly including a driving disc and a driven disc respectively arranged on the transmission shaft and the output shaft, the driving disc being meshed with the driven disc to transmit power in a non-braking state, and the driving disc and the driven disc being displaced in the axial direction to be separated from each other in a braking state to stop transmitting power; and a second brake assembly including a mass block and a micro switch connected with the motor, and in a braking state, the mass block displacing and triggering the micro switch to stop the motor.
    Type: Grant
    Filed: October 21, 2021
    Date of Patent: February 20, 2024
    Assignee: Globe (Jiangsu) Co., Ltd.
    Inventors: Yuexun Cao, Naixin Gao, Lingao Zhang, Tao Wang, Fei Huang
  • Publication number: 20230398712
    Abstract: The disclosure provides a container, a cover and a chainsaw. The container includes a box body, a cover, a suction device, a first tube and a second tube. The box body is provided with a liquid storage cavity provided with a liquid filling opening and a liquid suction opening. The cover is detachably mounted on the liquid filling opening and is provided with a one-way ventilation structure. The suction device is arranged outside the box body. One end of the first tube is connected with the liquid suction opening, and the other end is connected with a liquid suction port of the suction device. One end of the second tube is connected with a liquid drainage port of the suction device, and the other end extends to a part to be lubricated or cooled of the cutting tool.
    Type: Application
    Filed: August 21, 2023
    Publication date: December 14, 2023
    Applicant: Greenworks (Jiangsu) Co., Ltd.
    Inventors: Lingao ZHANG, Jun SHEN, Jingshan LI, Shu HUANG
  • Publication number: 20230381875
    Abstract: The disclosure provides a power tool and a cutting tool. The power tool includes a housing, a motor, a power supply, a working assembly, and a transmission mechanism. The motor is mounted in the housing and the motor has a motor shaft. The power supply is configured to provide energy for the motor. The working assembly rotates along a rotating axis of the working assembly itself. The transmission mechanism has a transmission shaft, the transmission shaft is connected with the motor shaft, so as to transmit power from the motor to the working assembly. The motor is an outer rotor motor, and an axis of the rotating axis of the working assembly intersects an axis of the transmission shaft.
    Type: Application
    Filed: August 8, 2023
    Publication date: November 30, 2023
    Applicant: Greenworks (Jiangsu) Co., Ltd.
    Inventors: Jingshan LI, Lingao ZHANG
  • Patent number: 11812706
    Abstract: The present disclosure provides a transmission assembly and a garden tool. The transmission assembly is configured to connect a drive assembly and a garden work assembly. The transmission assembly comprises a casing and a first transmission component and a second transmission component accommodated in the casing; the first transmission component and the second transmission component are engaged with each other; the first transmission component comprises a first gear and a second gear engaged with each other; a gear shaft of the first gear is disposed at an angle with respect to a gear shaft of the second gear; and the second transmission component comprises a third gear able to rotate coaxially with the second gear and a fourth gear engaged with the third gear.
    Type: Grant
    Filed: June 7, 2021
    Date of Patent: November 14, 2023
    Assignee: Globe (Jiangsu) Co., Ltd.
    Inventors: Shisheng Wang, Xiaohui Huo, Jianbo Li, Lingao Zhang
  • Patent number: 11766805
    Abstract: A chain saw includes a housing, a motor, a chain saw bar assembly, a tensioning assembly set on the housing, and an adjustment assembly set on the side cover corresponding to the tensioning assembly. The chain saw bar assembly is detachably connected to the first housing through the combination of the tensioning assembly and the elastic components, the adjustment assembly is movably connected with the tensioning assembly, and the adjustment assembly can adjust the relative position of the tensioning assembly and the guide shaft, to tension the chain set on the circumferential direction of the guide bar and tightly lock the chain saw bar assembly between the first housing and the side cover.
    Type: Grant
    Filed: August 30, 2021
    Date of Patent: September 26, 2023
    Assignee: Globe (Jiangsu) Co., Ltd.
    Inventors: Yuexun Cao, Yinan Guo, Tao Wang, Lingao Zhang
  • Patent number: 11413782
    Abstract: A chain saw includes a housing, the housing including a first housing, a second housing, and a receiving cavity formed by the first housing and the second housing; a cutter including a blade chain and a blade bar for supporting the blade chain, the cutter being mounted on the housing; a power assembly, the power assembly including a drive unit for driving the cutter and a power supply unit for supplying power to the drive unit; a front handle connected to the second housing and surrounding the first housing, the front handle including a grip portion, a first and second fixing parts which are located at two ends of the grip portion, the first fixing part abutting on the side wall of the second housing, and the second fixing part being located at the bottom of the housing and connecting with the second housing.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: August 16, 2022
    Assignee: Globe (Jiangsu) Co., Ltd
    Inventors: Lingao Zhang, Jingshan Li, Zhiwei Zong, Lianzhi Ren
  • Patent number: 11370143
    Abstract: The present invention provides a chain saw, which includes a housing, a driving assembly mounted on the housing, a guide plate extending outward from the housing, a chain arranged on the guide plate and driven by the driving assembly, and a tension assembly for tightening the chain. The tension assembly includes an operating member and a driving member driven by the operating member, the driving member cooperates with the guide plate, and when a driving force is applied to the operating member, the driving member is driven and the guide plate is moved to tension the chain, and after the chain is tensioned, if the driving force is continuously applied to the operating member, the operating member disengages with the driving member, and the operating member continues to move to compress the guide plate.
    Type: Grant
    Filed: November 29, 2020
    Date of Patent: June 28, 2022
    Assignee: Globe (Jiangsu) Co., Ltd
    Inventors: Yuexun Cao, Lingao Zhang, Tao Wang
  • Publication number: 20220127910
    Abstract: The disclosure provides an electric drill comprising: a housing; a motor for driving the electric drill to work; an output assembly for outputting the power of the motor; a first brake assembly including a driving disc and a driven disc respectively arranged on the transmission shaft and the output shaft, the driving disc being meshed with the driven disc to transmit power in a non-braking state, and the driving disc and the driven disc being displaced in the axial direction to be separated from each other in a braking state to stop transmitting power; and a second brake assembly including a mass block and a micro switch connected with the motor, and in a braking state, the mass block displacing and triggering the micro switch to stop the motor.
    Type: Application
    Filed: October 21, 2021
    Publication date: April 28, 2022
    Applicant: Globe (Jiangsu) Co., Ltd.
    Inventors: Yuexun Cao, Naixin Gao, Lingao Zhang, Tao Wang, Fei Huang
  • Publication number: 20220097250
    Abstract: The disclosure provides a chain saw including a housing, a motor, a chain saw bar assembly, a tensioning assembly set on the housing, and an adjustment assembly set on the side cover corresponding to the tensioning assembly. The chain saw bar assembly is detachably connected to the first housing through the combination of the tensioning assembly and the elastic components, the adjustment assembly is movably connected with the tensioning assembly, and the adjustment assembly can adjust the relative position of the tensioning assembly and the guide shaft, to tension the chain set on the circumferential direction of the guide bar and tightly lock the chain saw bar assembly between the first housing and the side cover.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 31, 2022
    Applicant: Globe (Jiangsu) Co., Ltd.
    Inventors: Yuexun Cao, Yinan Guo, Tao Wang, Lingao Zhang
  • Publication number: 20210392821
    Abstract: The present disclosure provides a transmission assembly and a garden tool. The transmission assembly is configured to connect a drive assembly and a garden work assembly. The transmission assembly comprises a casing and a first transmission component and a second transmission component accommodated in the casing; the first transmission component and the second transmission component are engaged with each other; the first transmission component comprises a first gear and a second gear engaged with each other; a gear shaft of the first gear is disposed at an angle with respect to a gear shaft of the second gear; and the second transmission component comprises a third gear able to rotate coaxially with the second gear and a fourth gear engaged with the third gear.
    Type: Application
    Filed: June 7, 2021
    Publication date: December 23, 2021
    Applicant: Globe (Jiangsu) Co., Ltd.
    Inventors: Shisheng Wang, Xiaohui Huo, Jianbo Li, Lingao Zhang
  • Publication number: 20210162622
    Abstract: The present invention provides a chain saw, which includes a housing, a driving assembly mounted on the housing, a guide plate extending outward from the housing, a chain arranged on the guide plate and driven by the driving assembly, and a tension assembly for tightening the chain. The tension assembly includes an operating member and a driving member driven by the operating member, the driving member cooperates with the guide plate, and when a driving force is applied to the operating member, the driving member is driven and the guide plate is moved to tension the chain, and after the chain is tensioned, if the driving force is continuously applied to the operating member, the operating member disengages with the driving member, and the operating member continues to move to compress the guide plate.
    Type: Application
    Filed: November 29, 2020
    Publication date: June 3, 2021
    Inventors: Yuexun Cao, Lingao Zhang, Tao Wang
  • Publication number: 20210114248
    Abstract: The present invention provides a chain saw includes a housing, the housing including a first housing, a second housing, and a receiving cavity formed by the first housing and the second housing; a cutter including a blade chain and a blade bar for supporting the blade chain, the cutter being mounted on the housing; a power assembly, the power assembly comprising a drive unit for driving the cutter and a power supply unit for supplying power to the drive unit; a front handle connected to the second housing and surrounding the first housing, the front handle comprising a grip portion, a first and second fixing parts which are located at two ends of the grip portion, the first fixing part abutting on the side wall of the second housing, and the second fixing part being located at the bottom of the housing and connecting with the second housing.
    Type: Application
    Filed: October 19, 2020
    Publication date: April 22, 2021
    Inventors: Lingao Zhang, Jingshan Li, Zhiwei Zong, Lianzhi Ren