| 摘要 |
PURPOSE: A load control device is provided to simplify the design and to reduce the manufacturing costs. CONSTITUTION: A load adjuster has an emergency spring(17) of elastic plastic. It is positioned between the adjusting shaft(2) and a lever(13), which is moved a return spring(12) against a stop(15) defining an emergency running position. The emergency spring is ring-shaped and engages around the adjusting shaft. The lever has a sleeve(16) located concentrically around the shaft. Lever and sleeve are a one-piece modular part of plastic.
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