23.
    外观设计
    有权

    公开(公告)号:KR3020100001265S

    公开(公告)日:2010-09-17

    申请号:KR3020100023961

    申请日:2010-05-31

    Applicant: (주)엠디

    Designer: 김재만 안정길

    25.
    外观设计
    有权

    公开(公告)号:KR3020100000655S

    公开(公告)日:2010-05-24

    申请号:KR3020100015531

    申请日:2010-04-08

    Applicant: (주)엠디

    Designer: 김재만 안정길

    도교의 결합장치
    26.
    发明公开
    도교의 결합장치 有权
    FOOPBRIDGE组合装置

    公开(公告)号:KR1020100008778A

    公开(公告)日:2010-01-26

    申请号:KR1020090119492

    申请日:2009-12-04

    Applicant: (주)엠디

    Inventor: 김재만

    CPC classification number: E01D15/14 B63B35/34 E01D15/24 E01D19/04 E01D19/046

    Abstract: PURPOSE: A footbridge coupling device is provided to prevent damage due to twisting as the footbridge moves vertically and horizontally around a ball inserted into a hemispherical groove. CONSTITUTION: A footbridge coupling device comprises an upper plate, a rolling wheel(420), and a lower plate(430). The coupling device more comprises a front and a rear cover member(440,450). A ball(411) is projected to the lower part of the upper plate. The rolling wheel supports the both sides of a base plate(310). The rolling wheel is formed at the both sides of the upper plate. A hemi-spherical groove(431) is formed on the center of the lower plate. The ball is inserted into the hemispherical groove. The lower plate is coupled on the upper side of a shore protection.

    Abstract translation: 目的:提供行人天桥联接装置,以防止由于行人天桥围绕插入半球形凹槽的球体垂直和水平移动而扭转造成的损坏。 构成:行人天桥联接装置包括上板,滚轮(420)和下板(430)。 联接装置还包括前盖和后盖构件(440,450)。 球(411)突出到上板的下部。 滚动轮支撑基板(310)的两侧。 滚动轮形成在上板的两侧。 半球形凹槽(431)形成在下板的中心。 球插入半球形槽。 下板连接在岸防护的上侧。

    28.
    外观设计
    有权

    公开(公告)号:KR3006324280000S

    公开(公告)日:2012-03-08

    申请号:KR3020110040527

    申请日:2011-09-29

    Applicant: (주)엠디

    Designer: 김재만

    29.
    外观设计
    有权

    公开(公告)号:KR3006143030001S

    公开(公告)日:2011-11-14

    申请号:KR3020110025929

    申请日:2011-06-23

    Applicant: (주)엠디

    Designer: 김재만

    30.
    外观设计
    有权

    公开(公告)号:KR3006143090004S

    公开(公告)日:2011-09-30

    申请号:KR3020110024394

    申请日:2011-06-14

    Applicant: (주)엠디

    Designer: 김재만

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