NY型内齿棘轮扳手的设计计算
Lever design of NY internally meshed tooth ratchet mechanisms
它适合于任何汽车座椅安全带,将棘轮扳手提起按压几次,很容易消除座椅安全带安装过程的松弛。
Fit Mighty-Tite onto any seat belt , lift the ratcheted handle a few times and easily remove unwanted slack for a tight car seat fit .