| 摘要 |
An improved adjuster for a shoe drum brake comprising a strut of adjustable length extending between one of the brake shoes and an arm of an operating lever that is actuated by a hand brake. The strut has a threaded part or spindle and a ratchet threadedly engaging with the threaded part. The adjuster also comprises a pawl arm carried by the arm of the operating lever and having a pawl cooperating with the ratchet. The arm of the operating lever is formed with a nose positioned for engagement with the other one of the brake shoes. The threaded part of the strut is formed with a stopper which is adapted to engage with the ratchet to define the minimum length of the strut. |
