| 摘要 |
The present invention relates to a block rod which is formed of a body including a belt installed therein so that a belt is surrounded around a drum in a scroll type and a spring elastically supporting the drum and recovering the belt to be rewound. The block rod includes: a supporting rod having a hollow pipe shape and having the body assembled on an upper end and a screw rod provided in the center therein; an attachment member having a male screw part formed on an outer side surface of a coupling rod, a female screw part formed to penetrate a center of the coupling rod, and coupled to a lower end of the supporting rod by making the screw rod of the supporting rod screwed into the female screw part; and a support including an assembling screw part having the center into which a male screw part formed on an outer side surface of the coupling rod of the attachment member is assembled. |
