Patents by Inventor Hyang-Guen NA

Hyang-Guen NA 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: 11054002
    Abstract: Provided is a planetary geared reducer with a dual reduction ratio. The reducer includes: a housing provided with a ring gear, and having one side where an input shaft is rotatably inserted and an opposite side where an output shaft is rotatably inserted; a sun gear provided at the input shaft; at least one planetary gear engaged between the sun gear and the ring gear; and a high reduction carrier provided at the output shaft to rotatably support the planetary gear by a rotation pin, wherein the high reduction carrier is coupled with a low reduction carrier, the low reduction carrier has a through-hole where the sun gear passes, the through-hole has a low reduction gear engaged with the sun gear, and the sun gear is selectively interlocked with the planetary or low reduction gear according to a forward or rearward movement of the input shaft to perform dual reduction.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: July 6, 2021
    Assignees: SAMBO INDUSTRIAL CO., LTD.
    Inventors: Hyang-Guen Na, Jaeyong Kang, Seonghwa Kim
  • Publication number: 20200370623
    Abstract: Provided is a planetary geared reducer with a dual reduction ratio. The reducer includes: a housing provided with a ring gear, and having one side where an input shaft is rotatably inserted and an opposite side where an output shaft is rotatably inserted; a sun gear provided at the input shaft; at least one planetary gear engaged between the sun gear and the ring gear; and a high reduction carrier provided at the output shaft to rotatably support the planetary gear by a rotation pin, wherein the high reduction carrier is coupled with a low reduction carrier, the low reduction carrier has a through-hole where the sun gear passes, the through-hole has a low reduction gear engaged with the sun gear, and the sun gear is selectively interlocked with the planetary or low reduction gear according to a forward or rearward movement of the input shaft to perform dual reduction.
    Type: Application
    Filed: November 4, 2019
    Publication date: November 26, 2020
    Inventors: Hyang-Guen NA, Jaeyong KANG, Seonghwa KIM