| 摘要 |
<p>The brake band(18) has at least one protrusion(20,21) formed in one piece with it. The external diameter of the protrusions is greater than the sum of the external diameter of a loop formed by the brake band plus the radial path of movement of the loop. Guide components(22,23) with interact with the protrusions are fitted in the crankcase(11) or formed in one piece with it, and at least one radial recess is provided in the crankcase for location of the protrusions on the brake band.</p> |
