| 摘要 |
PURPOSE: A mobile scoreboard capable of height control is provided to prevent a danger of safety accidents possibly generated in a damaging process by preventing a sudden falling due to being supported at an ascended height when a disorder occurs in an ascending and descending means by raising a scoreboard to a predetermined height. CONSTITUTION: A mobile scoreboard capable of height control comprises a scoreboard(110) in a display panel configuration, an ascending and descending device, and a sudden falling prevention unit. An ascending and descending device comprises: upper plates(121) supporting the lower part of the scoreboard; an ascending and descending unit including a first link assembly and a second link assembly which are arranged by maintaining a gap by forming a connection structure in a hinged multistage X-shape for multiple links, and is linked with the top end of the upmost side link to an upper plate as a sliding possible state; and a power transmission axis which is linked to the central part of the bottommost link of first and second link fasteners as a rotation possible state of both ends. A bottom plate(123) in which the lower part of the bottommost side link of a rising and falling part is linked as a sliding possible state, and a portable wheel is mounted. |
