fixed pulley

美 [fɪkst ˈpʊli]英 [fɪkst ˈpʊli]
  • 固定滑轮
fixed pulleyfixed pulley
  1. The fixed pulley is rotated by a cranking bar to wind the steel cable , a spare tire can be lifted , and the spare tire can be put down stably by rotating in reversal the cranking bar .

    使用摇把转动定滑轮圈绕钢丝索,即可提升备胎,反转摇把即可平稳降下备胎。