Patents Assigned to DIGITAL & SECURITY TECHNOLOGY CO., LTD.
  • Patent number: 11773550
    Abstract: A rotational deck which is used for an emergency vehicle return apparatus in a section of a median strip of a road, includes a pair of angle decks configured to be folded up to serve as the median strip in a normal state, and be unfolded down by hydraulic cylinders toward a surface of the road to serve as a vehicle pass in an event of emergency, and a front block part coupled, by a link unit, to a lower portion of each angle deck. The front block part includes a front block having a shape to reduce a shock from a collision, one or more front block frames configured to provide rigidity by supporting a rear surface of the front block, and a bottom frame configured to support the front block and a lower portion of the front block frame.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: October 3, 2023
    Assignee: DIGITAL & SECURITY TECHNOLOGY CO., LTD.
    Inventors: Won Woo Lee, Seung Ryul Lee
  • Publication number: 20210317625
    Abstract: Disclosed is a rotational deck with a shock-reducing front block of an emergency vehicle return apparatus for a median strip, which constitutes the emergency vehicle return apparatus installed for each section of a median strip (100) of a road, the rotational deck including: a front block part (2) fastened, by a link unit (3), to a lower portion of each of a pair of symmetrically installed angle decks (12) of a rotational deck (1) configured such that the pair of angle decks (12) is rotated by hydraulic cylinders (14), respectively, and adjoins left and right paved surfaces of the road in the event of emergency, in which the front block part has a structure that serves as the median strip at normal times when the rotational deck does not operate, and reduces impact when a vehicle collides with the front block part.
    Type: Application
    Filed: November 23, 2020
    Publication date: October 14, 2021
    Applicant: DIGITAL & SECURITY TECHNOLOGY CO., LTD.
    Inventors: Won Woo LEE, Seung Ryul LEE