| 摘要 |
A guide for a rope or chain comprising a base plate (3), an arcuate first arm (61) pivoted to the base plate (3), an arcuate second arm (64) pivotally connected to the first arm (61), which in a rest position forms an acute angle with the first arm (61), and biasing means (68) between the base plate (3) and the second arm (64).
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