| 摘要 |
A variable transmission ratio brake actuating device comprises a brake lever pivotally mounted on a frame. The frame and brake lever are each provided with a guide slot or groove which extend toward the pivot mount and intersect each other. A connector link to transmit force to a brake is always positioned at the point of intersection of the brake lever and frame guides. Pivoting of the brake lever guides the link at a distance relative to the pivot mount which decreases from the release position toward the braking position. |
