| 摘要 |
A tensioning linkage which includes a pair of flexible elements each having an end secured to threaded elements which are threaded into opposite ends of a turnbuckle sleeve. The turnbuckle sleeve carries a weight which opposes rotation of the turnbuckle sleeve about its longitudinal axis in a direction of rotation which causes the threaded elements to unthread in the sleeve. Each of the flexible elements carries an attachment plate at its end opposite the end to which the threaded element is secured.
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