Importance

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Abstract

A torsion bar for limiting torque, including a shank with a first end section and a second end section situated opposite from it in the lengthwise direction, also including a first coupler to non-rotatably join the shank to the driven spindle of an impact driver, whereby the first coupler is located on the first end section of the shank, and including a second coupler to non-rotatably join the shank to a threaded element, especially the nut of an expansion anchor, whereby the second coupler is arranged on the second end section of the shank, whereby the shank has at least one tapered torsion section in which the shank has a smaller cross section than in at least one of the end sections, characterized in that the shank has a plastic encapsulation, at least in the tapered torsion section.

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First Claim