Patents by Inventor Hee Chang Seo

Hee Chang Seo 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: 9283982
    Abstract: Disclosed herein is a steering column, including: an inner tube; an outer tube formed in a hollow shape into which the inner tube is inserted and including a pair of telescope guides protruding to an outer circumferential surface thereof, a first slit cut in an axial direction between the pair of telescope guides, and a second slit cut toward both sides of a circumferential direction at one end of the first slit; and a control lever installed on the telescope guides, wherein the telescope guides have a taper that is formed obliquely along a lengthwise direction, and the operating force of the lever is uniformly maintained according to the position of the control lever in the lengthwise direction by means of the taper.
    Type: Grant
    Filed: November 1, 2012
    Date of Patent: March 15, 2016
    Assignee: NAMYANG IND. CO., LTD.
    Inventors: Sung Jong Hong, Heung Joo Lee, Beom Suk Kim, Hee Chang Seo
  • Publication number: 20140311274
    Abstract: Disclosed herein is a steering column, including: an inner tube; an outer tube formed in a hollow shape into which the inner tube is inserted and including a pair of telescope guides protruding to an outer circumferential surface thereof, a first slit cut in an axial direction between the pair of telescope guides, and a second slit cut toward both sides of a circumferential direction at one end of the first slit; and a control lever installed on the telescope guides, wherein the telescope guides have a taper that is formed obliquely along a lengthwise direction, and the operating force of the lever is uniformly maintained according to the position of the control lever in the lengthwise direction by means of the taper.
    Type: Application
    Filed: November 1, 2012
    Publication date: October 23, 2014
    Applicant: NAMYANG IND.CO, LTD.
    Inventors: Sung Jong Hong, Heung Joo Lee, Beom Suk Kim, Hee Chang Seo