| 摘要 |
A Bowden cable (17, 18) of adjustable length acts on each of the brakes, designed to be mechanically operatable by means of levers (1, 2). For optimum adjustment of the length of the Bowden cables (17, 18) an alarm device (23, 24) responding to the movement of the levers (1, 2) is provided. <IMAGE>
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