Patents by Inventor Xinfa Du
Xinfa Du 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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Publication number: 20190329711Abstract: A vehicle and a running board device for the vehicle are provided. The vehicle includes: a vehicle body; a vehicle door; a running board mounted to the vehicle body and movable between an extended position and a retracted position; an actuator connected to the running board; a magnet mounted to the vehicle door; a magnetic induction element mounted to the vehicle body and that cooperates with the magnet so as to be triggered to generate a door-opening signal and a door-closing signal; a signal transmission line having a first end of the signal transmission line connected with the magnetic induction element; and a controller mounted to the vehicle body and connected with a second end of the signal transmission line and the actuator, so as to actuate the running board to move between the extended position and the retracted position according to the door-opening signal and the door-closing signal.Type: ApplicationFiled: July 7, 2016Publication date: October 31, 2019Applicant: T-MAX (HANGZHOU) TECHNOLOGY CO., LTD.Inventors: Xinfa Du, Xing Fan
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Patent number: 10384614Abstract: A vehicle, a running board assembly, and a drive assembly for a running board are disclosed. The drive assembly includes: a mounting base, a first connecting portion, a second connecting portion, and a running board holder. The first connecting portion is rotatably connected with the mounting base and the running board holder. The second connecting portion is rotatably connected with the mounting base and the running board holder. The running board holder includes a third main body and a third hinged portion. The first connecting portion includes a first main body and a plurality of first hinged portions, and the third hinged portion is rotatably connected among the plurality of first hinged portions; and/or the second connecting portion includes a second main body and a plurality of second hinged portions, the third hinged portion being rotatably connected among the plurality of second hinged portions.Type: GrantFiled: November 26, 2018Date of Patent: August 20, 2019Assignee: T-MAX (HANGZHOU) TECHNOLOGY CO., LTD.Inventors: Xinfa Du, Qi Zhang, Songfeng Wang
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Patent number: 10272842Abstract: A running board device comprises a stationary running board; a retractable running board apparatus comprising a retractable mechanism moveable between a stretched position and a retracted position and a retractable running board mounted to the retractable mechanism, wherein at the stretched position, at least a part of the retractable running board stretches out below the stationary running board and beyond the stationary running board, and at the retracted position, the retractable running board is retracted into below the stationary running board.Type: GrantFiled: May 5, 2017Date of Patent: April 30, 2019Assignee: T-MAX (HANGZHOU) TECHNOLOGY CO., LTDInventors: Xinfa Du, Yiming Wang, Tao He, Qi Zhang, Yongyong Zhan, Xing Fan, Yuanyuan Zhou
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Patent number: 10124735Abstract: A vehicle includes a vehicle body, a door, a step, a driving device for moving the step between an extending position and a retracting position, an on-board diagnostics for obtaining a state information of the door and having an interface, a vehicle data flow reading module, an emitter, a receiver and a controller. The on-board diagnostics is mounted on the vehicle body. The vehicle data flow reading module is coupled with the interface. The emitter is coupled with the vehicle data flow reading module and configured to emit the state information. The receiver is configured to receive and decode the state information from the emitter. The controller is coupled with the driving device and the receiver and configured to control the driving device to move the step between the extending position and the retracting position based on the state information.Type: GrantFiled: July 1, 2016Date of Patent: November 13, 2018Assignee: T-MAX (HUANGZHOU) TECHNOLOGY CO., LTD.Inventors: Xinfa Du, Xing Fan, Yiming Wang
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Publication number: 20180257572Abstract: A running board device comprises a stationary running board; a retractable running board apparatus comprising a retractable mechanism moveable between a stretched position and a retracted position and a retractable running board mounted to the retractable mechanism, wherein at the stretched position, at least a part of the retractable running board stretches out below the stationary running board and beyond the stationary running board, and at the retracted position, the retractable running board is retracted into below the stationary running board.Type: ApplicationFiled: May 5, 2017Publication date: September 13, 2018Applicant: T-MAX (HANGZHOU) TECHNOLOGY CO., LTDInventors: Xinfa DU, Yiming WANG, Tao HE, Qi ZHANG, Yongyong ZHAN, Xing FAN, Yuanyuan ZHOU
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Patent number: 9688205Abstract: A vehicle step apparatus for a vehicle and a motor assembly thereof are provided. The vehicle step apparatus includes: a extending and retracting device including a mounting support, a vehicle step support and an arm assembly, the arm assembly being connected between the mounting support and the vehicle step support and configured to drive the vehicle step support to move between an extending position and a retraction position; a vehicle step disposed at the vehicle step support; a motor disposed at the mounting support and including a motor shaft coupled with the arm assembly; and an elastic element configured to take an elastic deformation to store energy when the motor drives the vehicle step support to move towards the extension position, and to release energy to assist the motor in driving the extending and retracting device when the motor drives the vehicle step support towards the retraction position.Type: GrantFiled: November 2, 2015Date of Patent: June 27, 2017Assignee: T-MAX (HANGZHOU) INDUSTRIAL CO., LTDInventors: Xinfa Du, Qi Zhang, Yiming Wang
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Patent number: 9669767Abstract: Provided is a vehicle step apparatus comprising a first extending and retracting device comprising a first mounting bracket, a first step bracket, and a first arm assembly coupled between the first mounting bracket and the first step bracket and configured to drive the first step bracket to move between an extending position and a retracting position; a second extending and retracting device comprising a second mounting bracket, a second step bracket, and a second arm assembly configured to drive the second step bracket to move; a step mounted on the first step bracket and the second step bracket; a single motor mounted on the first mounting bracket and having a motor shaft coupled with the first arm assembly; and a transmission shaft defining a first end coupled with the motor shaft, and a second end coupled with the second arm assembly via a braking device.Type: GrantFiled: November 2, 2015Date of Patent: June 6, 2017Assignee: T-MAX (HANGZHOU) INDUSTRIAL CO., LTDInventors: Xinfa Du, Yongyong Zhan, Qi Zhang
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Patent number: 9669766Abstract: A vehicle includes a vehicle body; a door moveable between an opened position and a closed position, a step moveable between an extending position and a retracting position, a driving device for moving the step between the extending position and the retracting position, a magnetic member, an emitter, a receiver and a controller. The magnetic member is mounted on one of the vehicle body and the door, and the magnetic induction member is magnetically coupled with the magnetic member so as to generate a signals. The emitter is coupled with the magnetic induction member and configured to emit the signals and the receiver receives the signals from the emitter. The controller is coupled with the driving device and the receiver so as to drive the step to move between the extending position and the retracting position based on the signals.Type: GrantFiled: October 5, 2015Date of Patent: June 6, 2017Assignee: T-MAX (HANGZHOU) INDUSTRIAL CO., LTDInventors: Xinfa Du, Xing Fan, Qi Zhang
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Patent number: 9656609Abstract: A vehicle step apparatus including an extending and retracting device having a mounting bracket, a step bracket, and an arm assembly. A gear box has a cavity into which at least a portion of a motor shaft of a motor is inserted. A worm wheel is rotatably disposed in the cavity and has a worm wheel body meshing with the motor shaft. An output shaft is mounted to the worm wheel body. A sun gear is fitted over the output shaft. A planet carrier is rotatably disposed in the cavity and connected with the arm assembly. A planet gear is rotatably mounted to the planet carrier and meshes with the sun gear. An adjusting member is mounted in the gear box, and is movable in an axial direction of the motor shaft and abuts against a free end of the motor shaft.Type: GrantFiled: July 27, 2016Date of Patent: May 23, 2017Assignee: T-MAX (HANGZHOU) INDUSTRIAL CO., LTDInventors: Xinfa Du, Qi Zhang, Yiming Wang
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Publication number: 20170036605Abstract: A vehicle step apparatus for a vehicle and a motor assembly thereof are provided. The vehicle step apparatus includes: a extending and retracting device including a mounting support, a vehicle step support and an arm assembly, the arm assembly being connected between the mounting support and the vehicle step support and configured to drive the vehicle step support to move between an extending position and a retraction position; a vehicle step disposed at the vehicle step support; a motor disposed at the mounting support and including a motor shaft coupled with the arm assembly; and an elastic element configured to take an elastic deformation to store energy when the motor drives the vehicle step support to move towards the extension position, and to release energy to assist the motor in driving the extending and retracting device when the motor drives the vehicle step support towards the retraction position.Type: ApplicationFiled: November 2, 2015Publication date: February 9, 2017Inventors: XINFA DU, QI ZHANG, YIMING WANG
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Publication number: 20170036606Abstract: Provided is a vehicle step apparatus comprising a first extending and retracting device comprising a first mounting bracket, a first step bracket, and a first arm assembly coupled between the first mounting bracket and the first step bracket and configured to drive the first step bracket to move between an extending position and a retracting position; a second extending and retracting device comprising a second mounting bracket, a second step bracket, and a second arm assembly configured to drive the second step bracket to move; a step mounted on the first step bracket and the second step bracket; a single motor mounted on the first mounting bracket and having a motor shaft coupled with the first arm assembly; and a transmission shaft defining a first end coupled with the motor shaft, and a second end coupled with the second arm assembly via a braking device.Type: ApplicationFiled: November 2, 2015Publication date: February 9, 2017Inventors: Xinfa DU, Yongyong ZHAN, Qi ZHANG
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Publication number: 20170036607Abstract: A vehicle step apparatus including a first extending and retracting device having a first mounting bracket, a first step bracket, and a first arm assembly configured to drive the first step bracket to move between a first extending position and a first retracting position; a second extending and retracting device comprising a second mounting bracket, a second step bracket, and a second arm assembly configured to drive the second step bracket to move between a second extending position and a second retracting position; a step mounted on the first and second step bracket; a first permanent magnet direct current motor mounted on the first mounting bracket and coupled with the first arm assembly to drive the first arm assembly; and a second permanent magnet direct current motor mounted on the second mounting bracket and coupled with the second arm assembly to drive the second arm assembly.Type: ApplicationFiled: July 1, 2016Publication date: February 9, 2017Applicant: T-MAX (HANGZHOU) TECHNOLOGY CO., LTD.Inventors: Xinfa DU, Qi ZHANG, Yiming WANG
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Publication number: 20170036608Abstract: A vehicle step apparatus and a motor assembly thereof are provided. The vehicle step apparatus includes: an extending and retracting device including a mounting bracket, a step bracket, and an arm assembly; a gear box having a cavity into which at least a portion of a motor shaft of a motor is inserted; a worm wheel rotatably disposed in the cavity and having a worm wheel body meshing with the motor shaft, and an output shaft mounted to the worm wheel body; a sun gear fitted over the output shaft; a planet carrier rotatably disposed in the cavity and connected with the arm assembly; a planet gear rotatably mounted to the planet carrier and meshing with the sun gear; and an adjusting member mounted in the gear box, movable in an axial direction of the motor shaft and abutting against a free end of the motor shaft.Type: ApplicationFiled: July 27, 2016Publication date: February 9, 2017Applicant: T-MAX (HANGZHOU) INDUSTRIAL CO., LTDInventors: Xinfa DU, Qi ZHANG, Yiming WANG
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Publication number: 20170021781Abstract: A vehicle includes a vehicle body, a door, a step, a driving device for moving the step between an extending position and a retracting position, an on-board diagnostics for obtaining a state information of the door and having an interface, a vehicle data flow reading module, an emitter, a receiver and a controller. The on-board diagnostics is mounted on the vehicle body. The vehicle data flow reading module is coupled with the interface. The emitter is coupled with the vehicle data flow reading module and configured to emit the state information. The receiver is configured to receive and decode the state information from the emitter. The controller is coupled with the driving device and the receiver and configured to control the driving device to move the step between the extending position and the retracting position based on the state information.Type: ApplicationFiled: July 1, 2016Publication date: January 26, 2017Applicant: T-MAX (HANGZHOU) TECHNOLOGY CO., LTD.Inventors: Xinfa DU, Xing FAN, Yiming WANG
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Publication number: 20160347253Abstract: A vehicle includes a vehicle body; a door moveable between an opened position and a closed position, a step moveable between an extending position and a retracting position, a driving device for moving the step between the extending position and the retracting position, a magnetic member, an emitter, a receiver and a controller. The magnetic member is mounted on one of the vehicle body and the door, and the magnetic induction member is magnetically coupled with the magnetic member so as to generate a signals. The emitter is coupled with the magnetic induction member and configured to emit the signals and the receiver receives the signals from the emitter. The controller is coupled with the driving device and the receiver so as to drive the step to move between the extending position and the retracting position based on the signals.Type: ApplicationFiled: October 5, 2015Publication date: December 1, 2016Applicant: T-MAX (HANGZHOU) INDUSTRIAL CO., LTDInventors: Xinfa DU, Xing FAN, Qi ZHANG
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Publication number: 20160039346Abstract: An extending and retracting device for use with a vehicle step apparatus, including a mounting bracket; a step bracket; a first arm defining a first end pivotally connected to the mounting bracket and a second end pivotally connected to the step bracket; a second arm defining a first end pivotally connected to the mounting bracket and a second end; a third arm defining a first end pivotally connected to the second end of the second arm and a second end pivotally connected to the step bracket; and a fourth arm defining a first end pivotally connected to the second end of the second arm and the first end of the third arm respectively, and a second end pivotally connected to the first arm.Type: ApplicationFiled: November 13, 2014Publication date: February 11, 2016Inventors: Huizhong Yang, Zhaobo Qing, Xinfa Du