Patents by Inventor Chengrong Zhuang

Chengrong Zhuang 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).

  • Patent number: 10823564
    Abstract: The application provides an automatic leveling laser marking indication device, comprising a housing, a display mechanism, a laser seat mounted with a laser, a sensor seat mounted with a sensor, and a base connected with the housing, wherein the display mechanism is mounted at a top of the housing via a display seat, the laser seat and the sensor seat are mounted inside the housing and are connected with each other, the sensor seat is mounted at the base, the display mechanism comprises a first light emitting window disposed at the top of the display seat and second light emitting windows disposed around the display seat, and the interior of the display seat is mounted with a LED light. According to the application, the markings of horizontal and vertical lines can be accurately positioned only by adjusting the angle of product to be ?5°.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: November 3, 2020
    Assignee: Zhejiang Rongsheng Tools Co., Ltd.
    Inventors: Chengrong Zhuang, Zhiwei Zhuang
  • Publication number: 20190162535
    Abstract: The application provides an automatic leveling laser marking indication device, comprising a housing, a display mechanism, a laser seat mounted with a laser, a sensor seat mounted with a sensor, and a base connected with the housing, wherein the display mechanism is mounted at a top of the housing via a display seat, the laser seat and the sensor seat are mounted inside the housing and are connected with each other, the sensor seat is mounted at the base, the display mechanism comprises a first light emitting window disposed at the top of the display seat and second light emitting windows disposed around the display seat, and the interior of the display seat is mounted with a LED light. According to the application, the markings of horizontal and vertical lines can be accurately positioned only by adjusting the angle of product to be ?5°.
    Type: Application
    Filed: June 7, 2018
    Publication date: May 30, 2019
    Inventors: Chengrong ZHUANG, Zhiwei ZHUANG
  • Patent number: 9885570
    Abstract: The present invention discloses an electronic circuit for acousto-optoelectronic angle indication and a level gauge thereof. The electronic circuit for acousto-optoelectronic angle indication comprises a main control circuit (a), a power circuit (b), a key circuit (c), a sensor module circuit (d), an LED indicator module circuit (e), a buzzer module circuit (f) and a data storage module (g). The control circuit (a) comprises a microcontroller (U2), a capacitor (C2), a capacitor (C3), a capacitor (C4), a capacitor (C5), a capacitor (C6), a capacitor (C8), an electrolytic capacitor (E1), a resistor (R11), a resistor (R12) and a resistor (R20). The invention realizes an acousto-optoelectronically indicated design circuit device with high precision, so that the current angular value state can be accurately displayed through acoustic and photoelectric changes by simply placing a measuring device on a test plane.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: February 6, 2018
    Assignee: ZHEJIANG RONGSHENG TOOL CO., LTD.
    Inventor: Chengrong Zhuang
  • Publication number: 20170219344
    Abstract: The present invention discloses an electronic circuit for acousto-optoelectronic angle indication and a level gauge thereof. The electronic circuit for acousto-optoelectronic angle indication comprises a main control circuit (a), a power circuit (b), a key circuit (c), a sensor module circuit (d), an LED indicator module circuit (e), a buzzer module circuit (f) and a data storage module (g). The control circuit (a) comprises a microcontroller (U2), a capacitor (C2), a capacitor (C3), a capacitor (C4), a capacitor (C5), a capacitor (C6), a capacitor (C8), an electrolytic capacitor (E1), a resistor (R11), a resistor (R12) and a resistor (R20). The invention realizes an acousto-optoelectronically indicated design circuit device with high precision, so that the current angular value state can be accurately displayed through acoustic and photoelectric changes by simply placing a measuring device on a test plane.
    Type: Application
    Filed: March 10, 2016
    Publication date: August 3, 2017
    Inventor: Chengrong Zhuang
  • Patent number: 9709374
    Abstract: The invention discloses a pointer type angle measuring device, comprising a shell consisting of a front cover and a rear cover, windows respectively arranged on the front cover and the rear cover, respectively; a front transparent cover and a rear transparent cover respectively arranged on the windows of the front cover and the rear cover; a pointer, arranged within an inner cavity of the shell inside the front transparent cover and the rear transparent cover; a dial of circular shape, fixed at the outer edge of the windows on the shell. The double-sided readout pointer type angle measuring device with lighting of the invention is convenient to be used in measurement and correction of horizontal and vertical angles of objects when it is inconvenient to be read from single side.
    Type: Grant
    Filed: July 12, 2015
    Date of Patent: July 18, 2017
    Assignee: ZHEJIANG RONGSHENG TOOL CO., LTD
    Inventor: Chengrong Zhuang
  • Patent number: 9644951
    Abstract: The invention belongs to the field of measuring tools, particularly relates to a pointer-type angle measuring device with wireless power supply for lighting for measuring angle state of an object. The invention includes a housing, a dial, a pointer and an electronic circuit. Wherein, the electronic circuit includes a wireless power supply circuit and a wireless power receiving and lighting circuit, and the wireless power receiving and lighting circuit is set on the pointer. The invention is characterized in that the pointer can illuminate, and the invention is convenient for people to use in a low light environment, to measure angle of the object.
    Type: Grant
    Filed: December 1, 2014
    Date of Patent: May 9, 2017
    Assignee: ZHEJIANG RONGSHENG TOOL CO., LTD
    Inventor: Chengrong Zhuang
  • Publication number: 20160334200
    Abstract: The invention discloses a pointer type angle measuring device, comprising a shell consisting of a front cover and a rear cover, windows respectively arranged on the front cover and the rear cover, respectively; a front transparent cover and a rear transparent cover respectively arranged on the windows of the front cover and the rear cover; a pointer, arranged within an inner cavity of the shell inside the front transparent cover and the rear transparent cover; a dial of circular shape, fixed at the outer edge of the windows on the shell. The double-sided readout pointer type angle measuring device with lighting of the invention is convenient to be used in measurement and correction of horizontal and vertical angles of objects when it is inconvenient to be read from single side.
    Type: Application
    Filed: July 12, 2015
    Publication date: November 17, 2016
    Inventor: Chengrong Zhuang
  • Publication number: 20160084648
    Abstract: The invention disclosed a three dimensional angle measuring device for measuring and correcting horizontal, vertical and other angle states of an object. The invention includes a housing, a key module, a power module, a display module, an information processing module, a buzzing module and a sensor module, wherein the power module is connected with the information processing module and the key module, the information processing module is connected with the key module, the display module, the information processing module, the buzzing module and the sensor module. The invention has characteristics of high measurement precision, easy operation and more functions. When in use, it just needs to place the invention on a test plane, then the present angle can be displayed precisely, and the precision can reach ±0.10°; the invention also has functions such as calibration, locking, resetting and calculator, thus avoiding daily tedious operation.
    Type: Application
    Filed: December 1, 2014
    Publication date: March 24, 2016
    Inventor: Chengrong Zhuang
  • Publication number: 20160061593
    Abstract: The invention belongs to the field of measuring tools, particularly relates to a pointer-type angle measuring device with wireless power supply for lighting for measuring angle state of an object. The invention includes a housing, a dial, a pointer and an electronic circuit. Wherein, the electronic circuit includes a wireless power supply circuit and a wireless power receiving and lighting circuit, and the wireless power receiving and lighting circuit is set on the pointer. The invention is characterized in that the pointer can illuminate, and the invention is convenient for people to use in a low light environment, to measure angle of the object.
    Type: Application
    Filed: December 1, 2014
    Publication date: March 3, 2016
    Inventor: Chengrong Zhuang
  • Publication number: 20140101950
    Abstract: A spirit level includes a housing, a cap at one end of the housing, a battery assembly at an other end of the housing, a LED indication assembly at a center of the housing, a vertical orientation indication assembly between the LED indication assembly and the cap, a forty-five-degree orientation indication assembly between the LED indication assembly and the battery compartment, and a PCB and angle sensing circuit electrically connected to the battery assembly, the LED indication assembly, the vertical orientation indication assembly, and the forty-five-degree orientation indication assembly respectively.
    Type: Application
    Filed: June 21, 2013
    Publication date: April 17, 2014
    Inventor: Chengrong Zhuang
  • Patent number: D559135
    Type: Grant
    Filed: March 18, 2004
    Date of Patent: January 8, 2008
    Inventor: Chengrong Zhuang
  • Patent number: D867172
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: November 19, 2019
    Assignee: Zhejiang Rongsheng Tools Co., Ltd.
    Inventor: Chengrong Zhuang