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Apparatus for accurately preloading auger attachment means for frangible protective material

机译:用于精确预加载用于易碎保护材料的螺旋钻附接装置的装置

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摘要

Apparatus for preloading a spring loaded threaded member is described. The apparatus is formed of three telescoping tubes. The innermost tube has means to prevent rotation of the threaded member. The middle tube is threadedly engaged with the threaded member and by axial movement applies a preload thereto. The outer tube engages a nut which may be rotated to retain the threaded member in axial position to maintain the preload.

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