Patents Assigned to ZENITH TRACK CO., LTD.
  • Publication number: 20250296643
    Abstract: An elastic crawler has, on a tread side, drive lugs including a central lug portion arranged in a crawler width direction between engaging holes of a crawler main body and side lug portions arranged alternately on one side in the crawler width direction, corresponding to the central lug portions on both sides in a crawler revolving direction of the engaging holes, and an inter-lug recess arranged between the side lug portions on both sides in the crawler revolving direction on an opposite side to the side lug portion with respect to the engaging holes, and the side lug portions each have a wide lug portion on a side closer to the central lug portion, and the wide lug portion is integrally formed with two central lug portions adjacent to each other in the crawler revolving direction, straddling two core metals adjacent to each other in the crawler revolving direction.
    Type: Application
    Filed: October 10, 2024
    Publication date: September 25, 2025
    Applicant: ZENITH TRACK CO., LTD.
    Inventor: Yong Jae CHOI
  • Publication number: 20250296644
    Abstract: An intermediate track roller rolling portion (28, 29) is provided on a core metal (7) between a lateral slip preventing protrusion on one side (26) and a lateral slip preventing protrusion on the other side (27). Each of the lateral slip preventing protrusions (26 and 27) has a horizontally long shape in which a dimension (B) in a crawler width direction from a lateral slip preventing surface side (26b, 27b) to an anti-lateral slip preventing surface side (26c, 27c) is longer than a dimension (A) from a tread side (26a, 27a) to a track roller rolling portion (28, 29).
    Type: Application
    Filed: October 10, 2024
    Publication date: September 25, 2025
    Applicant: ZENITH TRACK CO., LTD.
    Inventor: Yong Jae CHOI
  • Patent number: D827678
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: September 4, 2018
    Assignee: ZENITH TRACK CO., LTD.
    Inventor: Yong Jae Choi
  • Patent number: D827679
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: September 4, 2018
    Assignee: ZENITH TRACK CO., LTD.
    Inventor: Yong Jae Choi
  • Patent number: D827680
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: September 4, 2018
    Assignee: ZENITH TRACK CO., LTD.
    Inventor: Yong Jae Choi
  • Patent number: D827681
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: September 4, 2018
    Assignee: ZENITH TRACK CO., LTD.
    Inventor: Yong Jae Choi