| 摘要 |
<p>A braked roller device for cycling training includes a roller (2) that is rotatably mounted on a support (3) with a substantially horizontal axis (a), and anchored to a stand (4) that is suitable to support the driving wheel (R) of a bicycle so that it is raised from the ground and in contact with the roller (2). A brake (17) is rigidly coupled to the support (3) and acts on the roller (2) to simulate resistance to forward motion. The brake (17) includes a rotor with smooth surfaces, which is rigidly coupled to the roller (2) and is accommodated in a chamber that is closed hermetically and partially filled with a viscous fluid. The rotor is constituted by one or more disks with substantially flat and parallel side faces made of relatively rigid material, each part being optionally provided with two or more lateral holes for the controlled flow of the fluid.</p> |
